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Looking into the Mirror of Life
We follow Astro-physics and Science for fun, because the Nature of Life itself is pretty darn entertaining on its own merits. Understanding the Nature and construction of our reality is a pragmatic move for all its "operators," but especially for backpacker's finding context in, and navigating the terrain to both ascertain & clarify our place in the Universe.
Interestingly enough, we have to understand the fundamental motions & relationships within the Universe around us to find our precise location on this Earth.
"We are stardust, we are golden, we are billion year old carbon,
We are stardust, we are golden, we caught in the devil's bargain,
And we got to get ourselves back to the garden."
Theories of Everything, Mapped,
August 3, 2015, Quanta.
Picture of the Day
Spot the Station
Lyrids, April 19-25.
Mars follows Sun into Western Sky
Winter Skies are Fleeting... Going, going, GONE.
Orion the Hunter and the Winter Circle.
Mars & Venus in Western Sky
Venus setting before sunset now,
Mercury then Mars shortly after sunset.
Jupiter near Opposition: look up at Midnight.
Early Evening Skies:
Winter Skies are Fleeting
Orion the Hunter and the Winter Circle
All you need to know: March equinox,
Earth-Sky, March 15, 2017.
Lyrids, April 19-25.
Summer Triangle, signpost for all seasons,
Earth-Sky, March 2, 2017.
N America Full Eclipse of the Sun,
August 21, 2017.
News and Events
Solar cell design with over 50 percent energy-conversion efficiency,
KOBE UNIVERSITY, April 23, 2017.
Lyrid Metor Shower
Dominic Ford, In the Sky,
"The Lyrid meteor shower will reach its maximum rate of activity on 23 April 2017. Some shooting stars associated with the shower are expected to be visible each night from 19 Apr to 25 Apr."
A Cosmic Burst Repeats, Deepening a Mystery
After a surprise discovery, astrophysicists are racing to understand superenergetic flashes of radio waves that sometimes beep out from distant galaxies.
WAY too Much Light at Night:
New global map of Earth at night, (Video)
Earth Sky, April 14, 2017.
Featuring Darkness in the Night Skies.
Can you find any?
Creating time crystals,
HARVARD UNIVERSITY, April 17, 2017.
NASA confirms two moons in the Solar System are venting oceans into space,
Ocean Worlds Exploration Program could find life on icy moons in the 2020s.
Ars Technica, April 13, 2017.
SwRI scientists discover evidence for a habitable region within Saturn's moon Enceladus,
SOUTHWEST RESEARCH INSTITUTE, April 13, 2017.
The Current Line Up
The most accurate measurement of rare meson decay confirms modern physics,
THE HENRYK NIEWODNICZANSKI INSTITUTE OF NUCLEAR PHYSICS POLISH ACADEMY OF SCIENCES, April 12, 2017.
Find above the best simple explanation of sub atomic particles.
Waterloo researchers capture first image of a dark matter web that connects galaxies,
UNIVERSITY OF WATERLOO, April 12, 2017.
Whoa, Gravity Pauses the Mag of Electro-Mag?
Physicists discover hidden aspects of electrodynamics,
LOUISIANA STATE UNIVERSITY, April 11, 2017.
The accidental discovery of LSD,
(video) AMERICAN CHEMICAL SOCIETY, April 11, 2017.
Exacerbating the replication crisis in science: Replication studies are often unwelcome,
FRONTIERS, April 11, 2017.
I just don't know who you are anymore, science!
See previous article below.
Note: APOD, Saturn, April 3.
How sloppy science creates worthless cures and wastes billions,
Ars Technica, April 1, 2017.
Dept. of "Something Happened."
Mysterious cosmic explosion surprises astronomers studying the distant x-ray universe,
PENN STATE, March 30, 2017.
Explaining the accelerating expansion of the universe without dark energy,
ROYAL ASTRONOMICAL SOCIETY, March 30, 2017.
Encounters with Jupiter send asteroid on a bizarre backward spin,
Ars Technica, March 29, 2017.
MATH & SPACE SCIENCE
Math, particularly the questions posed by proving conjectures and first finding, then explaining the contradictory nature of reality, sometimes have all the hallmarks of a classic mystery novel.
This recent proof is the latest, but we've been seeing some interesting things showing up "in the numbers," recently. Such as an undiscovered planet, as well as undiscovered mathamatical relationships. We live in Very Interesting Times.
Gaussian correlation inequality GCI, below
A Long-Sought Proof, Found and Almost Lost,
Quanta, March 28, 2017.
It's The Ultimate Search
“The One Theory”
IT is the root of all the religious bibbles and math models…
NIST physicists show ion pairs perform enhanced 'spooky action,'
NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY (NIST), March 28, 2017.
(This is my “dimension with no space," linked to above, and further below that, here.)
DEEP SPACE when TIME was YOUNG
A New Blast May Have Forged Cosmic Gold,
Quanta, March 23, 2017.
Hydrocarbon Land, hydrocarbon lakes, & hydrocarbon sand...
The electric sands of Titan,
GEORGIA INSTITUTE OF TECHNOLOGY, March 27, 2017.
This blue-sky image of Pluto is absolutely stunning,
Ars Technica, March 25, 2017.
Today in science: Great Alaska earthquake,
Earth-Sky, March 27, 2017.
Gravitational wave kicks monster black hole out of galactic core,
NASA/GODDARD SPACE FLIGHT CENTER, March 23, 2017.
Gravitational waves may defeat new theories of gravity,
New theories of gravity fail to handle gravitational waves’ impact on Milky Way.
Ars Technica, March 16, 2017.
Scientists evade the Heisenberg uncertainty principle,
ICFO-THE INSTITUTE OF PHOTONIC SCIENCES, March 22, 2017.
March 19, 2017
For the Upcoming Vernal Equinox:
A Terrestrial Year from Space,
APOD, March 19, 2017.
Scientists make the case to restore Pluto's planet status,
JOHNS HOPKINS UNIVERSITY, March 17, 2017.
March 16, 2017
Gigantic Jupiter-type planet reveals insights into how planets evolve,
UNIVERSITY OF CALIFORNIA - LOS ANGELES, March 16, 2017.
March 12, 2017
New images of Saturn’s walnut-shaped moon dazzle scientists,
Ars Technica, March 9, 2017.
Could fast radio bursts be powering alien probes?
HARVARD-SMITHSONIAN CENTER FOR ASTROPHYSICS, March 9, 2017.
'Blurred times' in a quantum world,
Clocks at the interplay of the 2 fundamental theories of modern physics,
UNIVERSITY OF VIENNA, March 9, 2017.
March 8, 2017.
Researchers create 'time crystals' envisioned by Princeton scientists,
PRINCETON UNIVERSITY, March 8, 2017.
More Time Crystal Information below
March 6, 2017.
People have no idea which sciences are robust,
Ars Technica, March 6, 2017.
February 28, 2017.
Gravitational waves: Going beyond LIGO,
ArsTechnica, February 28, 2017.
I want to watch… dial up Hubble…
Stars regularly ripped apart by black holes in colliding galaxies,
UNIVERSITY OF SHEFFIELD, February 27, 2017.
Edging Closer to the Underlaying Truth...
Physicists Uncover Geometric ‘Theory Space,’
Quanta, February 23, 2017.
February 22, 2017
Wow! Nearby TRAPPIST-1 has 7 planets,
EarthSky, February 22, 2017.
February 12, 2017
A Soap Opera by the Numbers:
A Fight to Fix Geometry’s Foundations.
“When two mathematicians raised pointed questions about a classic proof that no one really understood, they ignited a years-long debate about how much could be trusted in a new kind of geometry.”
Quanta, February 9, 2017
February 10, 2017
Subtle lunar eclipse on February 10-11,
Earth-Sky, Feburary 10, 2017.
Ancient signals from the early universe,
UNIVERSITY OF BASEL, Feburary 10, 2017.
Quest to settle riddle over Einstein's theory may soon be over,
UNIVERSITY OF EDINBURGH, Feburary 10, 2017.
Updated Feb 7
What happened to the sun over 7,000 years ago?
NAGOYA UNIVERSITY, Feburary 7, 2017.
Stars align in test supporting 'spooky action at a distance,'
MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Feburary 7, 2017.
How are quantum entangled particles created in a laboratory? What really makes them entangled?
Quantum Entanglement, Quora
A history of dark matter,
ArsTechnica, February 3, 2017.
Tracing the cosmic web with star-forming galaxies in the distant universe,
NATIONAL INSTITUTES OF NATURAL SCIENCES, January 31, 2017.
January 31, 2017
Study reveals evidence that the universe is a hologram,
UNIVERSITY OF WATERLOO, January 30, 2016.
Study reveals substantial evidence of holographic universe,
UNIVERSITY OF SOUTHAMPTON, January 30, 2016.
Our use of the word “holographic” puts a lot of the “mechanism of reality” it describes into terms of “conventional” meaning that are at best imprecise, and at worse misleading to the general public. Think of “holographic” like this: Is the “holography” of the universe being projected or absorbed?
This may seem superfically meaningless, but the time and space motions of our universe have a direction.
Is the universe currently a projection of encoding or is it encoding? If both, this indicates the predominance of one or the other, of projection or of encoding is part of a long term cycle of energy exchange that has “turning points” between phases dominated by projection then encoding.
This suggests physical mechanisms driving “holographic” principals have non-holographic states and phases before and after what we currently call the “Big Bang.” “Holographic” mechanisms describe part of the “mechanism of reality,” not it’s totality.
“Holographic” is a concept useful to describe an aspect of the totality of this “mechanism of reality,” but is misleading, as it is merely one point, yet a very important one, of the cycle of the “mechanism of reality” we live within. There are other ways I see the term “holographic” as being misleading to the general public, but this is my main complaint.
January 26, 2017
0LiCOW! Hubble's constant update paves way for 'new physics,'
The Register, January 26, 2017.
More Hubble Below
This is Why:
(And Just Brilliant...)
Earth's orbital variations and sea ice synch glacial periods,
BROWN UNIVERSITY, January 26, 2017.
Scientists unveil new form of matter: Time crystals,
UNIVERSITY OF CALIFORNIA – BERKELEY, January 26, 2017.
Metallic hydrogen, once theory, becomes reality,
HARVARD UNIVERSITY, January 26, 2017.
SF State astronomer searches for signs of life on Wolf 1061 exoplanet,
SAN FRANCISCO STATE UNIVERSITY, January 19, 2017.
On the Smallest of Scales: NO Observer Effect
Traffic jam in empty space,
UNIVERSITY OF KONSTANZ, January 18, 2017.
Coming up for some Atomic Air:
Discovery could lead to jet engines that run hotter -- and cleaner,
OHIO STATE UNIVERSITY,
January 16, 2017
A big one of these would be So Much Better than a Tazer
Acoustic tractor beam
How to 3-D print your own sonic tractor beam,
AMERICAN INSTITUTE OF PHYSICS, January 3, 2017.
Fast radio burst tied to distant dwarf galaxy, and perhaps magnetar,
UNIVERSITY OF CALIFORNIA – BERKELEY, January 4, 2017.
December 30, 2016
Russian physicists measure the loss of dark matter since the birth of the universe,
MOSCOW INSTITUTE OF PHYSICS AND TECHNOLOGY, December 26, 2016.
Hubble gazes at a cosmic megamaser,
NASA/GODDARD SPACE FLIGHT CENTER, December 29, 2016.
Chinese boffins: We're testing an 'impossible' EM Drive IN SPAAAACE,
Time NASA pulled its finger out, The Register, December 22, 2016.
Updated December 20
New antimatter breakthrough to help illuminate mysteries of the Big Bang,
SWANSEA UNIVERSITY, December 20, 2016.
All the Visible Skies
Astronomers release largest digital survey of the visible Universe,
QUEEN'S UNIVERSITY BELFAST, December 19, 2016.
Festive nebulae light up Milky Way Galaxy satellite,
ESA/HUBBLE INFORMATION CENTRE, December 20, 2016.
Hubble: Visual Treats
Take a second and examine some of Nature’s most dynamic and fundamental Fine Arts:
The same forces driving the engines of life we see in Summit City Creek drive these nebulus deep space beauties.
Hubble: Sees it All! Well, most of IT) Note the observational info and extra features on each page.
End of the Line
Hubble: Eskimo Nebula
Hubble: Hands of God & ?
Hubble: Mandela Prime
More Hubble Below
Confirmation of Wendelstein 7-X magnetic field,
DOE/PRINCETON PLASMA PHYSICS LABORATORY, December 5, 2016.
More “Awesome Sauce:”
'Spooky' sightings in crystal point to extremely rare quantum spin liquid,
GEORGIA INSTITUTE OF TECHNOLOGY, December 5, 2016.
Construction of practical quantum computers radically simplified,
UNIVERSITY OF SUSSEX, December 2, 2016.
NASA's AIM observes early noctilucent ice clouds over Antarctica,
NASA/GODDARD SPACE FLIGHT CENTER, December 2, 2016.
New evidence on the formation of the solar system,
Monash University, December 1, 2016.
Updated December 3
The Case Against Dark Matter,
Quanta, November 29, 2016.
Theory that challenges Einstein's physics could soon be put to the test,
Imperial College London, November 25, 2016.
A slushy ocean may lie beneath Pluto's heart-shaped basin,
Massachusetts Institute of Technology, November 16, 2016.
New analysis adds to support for a subsurface ocean on Pluto,
University of California - Santa Cruz, , November 16, 2016.
Pluto follows its cold, cold heart,
University of Arizona, November 16, 2016.
Mars ice deposit holds as much water as Lake Superior,
University of Texas at Austin, November 22, 2016.
How to make awesome-sauce:
Atomic beltway could solve problems of cosmic gravity,
NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY (NIST), November 10, 2016.
Updated November 7
Detour via gravitational lens makes distant galaxy visible,
Max Planck Institute for Physics, November 4, 2016.
Close galactic encounter leaves 'nearly naked' supermassive black hole,
National Radio Astronomy Observatory, November 2, 2016.
NASA completes Webb Telescope Center of Curvature pre-test,
NASA/Goddard Space Flight Center, November 2, 2016.
Updated November 1
University of California - Santa Barbara, October 31, 2016.
New model explains the moon's weird orbit,
University of Maryland, October 31, 2016.
The universe is expanding at an accelerating rate -- or is it?
University of Oxford, October 21, 2016.
NASA's Hubble spots possible water plumes erupting on Jupiter's moon Europa,
NASA/Goddard Space Flight Center, October 4, 2016.
Curious tilt of the sun traced to undiscovered planet,
California Institute of Technology, October 19, 2016.
Did LIGO detect black holes or gravastars?
Goethe University Frankfurt, October 19, 2016.
Microbial life on Mars: The possibility must be considered conclude researchers in
Mary Ann Liebert/Genetic Engineering News, October 18, 2016.
It, Nature, just keeps getting bigger and more beautiful the longer we look at it:
Observable universe contains 10 times more galaxies than previously thought,
ESA/Hubble Information Centre, October 13, 2016.
Our galaxy's most-mysterious star is even stranger than astronomers thought,
Carnegie Institution for Science, October 3, 2016.
May 25, 2016
Deepest of Spaces and Earliest of Times
Astronomers confirm faintest early-universe galaxy ever seen,
UCLA, May 23, 2016.
Gravitational lensing Information
How light is detected affects the atom that emits it,
Washington University in St. Louis, May 12, 2016.
Echoes of Authur C Clark
Europa's ocean may have an Earthlike chemical balance,
American Geophysical Union, May 18, 2016.
2001: A Space Odyssey. Wiki
April 4, 2016
Planet Nine: A world that shouldn't exist,
HARVARD-SMITHSONIAN CENTER FOR ASTROPHYSICS, May 3, 2016.
Planet Nine Wiki
Three Earth-sized planets found orbiting a tiny nearby star,
UNIVERSITY OF CALIFORNIA - SAN DIEGO, May 2, 2016.
Mars' surface revealed in unprecedented detail,
UNIVERSITY COLLEGE LONDON, April 26, 2016.
Physicists detect the enigmatic spin momentum of light,
RIKEN, April 25, 2016.
The Universe, where space-time becomes discrete
Relativity and quantum mechanics: A non-local union?
INTERNATIONAL SCHOOL OF ADVANCED STUDIES (SISSA), April 22, 2016.
Hubble sees a star 'inflating' a giant bubble,
NASA/GODDARD SPACE FLIGHT CENTER, April 21, 2016.
Behemoth black hole found in an unlikely place,
NASA/Goddard Space Flight Center, 4-6-16.
ALMA's most detailed image of a protoplanetary disc,
ESO, March 31, 2016.
Journey to the center of our galaxy,
ESA/Hubble Information Centre, March 31, 2016.
Gravitational Waves Discovered at Long Last,
Gravitational waves detected 100 years after Einstein's prediction
Louisiana State University, 2-11-16.
Gravitational waves detected 100 years after Einstein's prediction
National Science Foundation, 2-11-16.
See earlier Quanta Article about LIGO facility and search for gravity waves, below:
Searching the Sky for the Wobbles of Gravity.
Cornell astrophysicists play vital role to validate detection of gravitational waves,
Cornell University, 2-11-16. Great Double-Black Hole Supercomputer Video.
In-depth Q&A: Three researchers on the front line of today's gravitational wave discovery, The Kavli Foundation, 2-11-16.
Articles about Official Discovery of Gravity
Galaxies hidden by Milky Way revealed,
Moon was produced by a head-on collision between Earth and a forming planet,
Ancient Babylonians used geometry to track Jupiter,
American Association for the Advancement of Science, 1-28-16.
Bringing time and space together for universal symmetry,
Griffith University, 1-28-16.
Most distant massive galaxy cluster identified,
1-7-16, Massachusetts Institute of Technology.
'Seeing' black holes with the naked eye,
1-6-16, Kyoto University.
How to Teleport Info Out of a Black Hole,
1-6-16, Live Science.
Globular clusters could host interstellar civilizations,
1-6-16, Harvard-Smithsonian Center for Astrophysics.
A Fight for the Soul of Science,
December 16, 2015, Quanta.
James Webb Space Telescope mirror halfway complete,
12-28-2015, NASA/Goddard Space Flight Center.
New results from world's most sensitive dark matter detector:
Berkeley Lab scientists participate in mile-deep experiment in former South Dakota gold mine, December 14th, 2015, DOE/Lawrence Berkeley National Laboratory.
CERN's NEW POWER
First high-energy LHC results: Supersymmetry still dead, watch for gravitons
The particle collider's first run at new energies has a hint of a signal.
December 15th, 2015, Ars Technica.
General relativity: 100 years of the most beautiful theory ever created
Who created Einstein’s theory of general relativity? And do most really know what it says? December 3rd, 2015, Ars Technica.
Ground-breaking research could challenge underlying principles of physics,
November 20, 2015, University of Southampton.
Strange quantum phenomenon achieved at room temperature in semiconductor wafers, November 20, 2015, University of Chicago.
Experiment records extreme quantum weirdness,
Nov, 10, 2015, Centre for Quantum Technologies at the National University of Singapore.
Historic Experiments tests Einstein's 'God does not play dice' using quantum 'dice,'
Oct 21, 2015, ICFO-The Institute of Photonic Sciences.
Beam me up, Scotty…
'Spooky action' builds a wormhole between 'entangled' quantum particles:
New research indicates a phenomenon known as "quantum entanglement" might be intrinsically linked with wormholes, hypothetical features of space-time that could link one part of the universe with another. U of W, "Udub," 12-3-2013
Pretty cool heavy-duty theory stuff. The reality behind this and its expressions are even more amazing.
It is apparent, and has been for quite some time, that one aspect of the most fundamental bit of existance is part of every other bit of existance. I don't mean that it is related, or connected by chains of causation, but that every fundamental unit of existance each shares one dimension of its very existance with every other bit. "Entanglement" is fundamental to existance. It gets even better.
The fundamental bit of existance is alive. Not like us, not an expression of life, but it is life itself, its most fundamental form. This is the core. All eminates from IT. IT's "dance," or movements, generates the totality of time, space, energy, matter, and the cycle they run through as IT proceeds from one Big Bang to the next.
IT always opens the eye of consciousness to gaze upon Itself.
The aspects of our material, and therefore our conscious existance are each like individual petals of a flower, all being reflections of the levels and degrees of sophistication of the fundamental unit itself, meaning all that exists are expressions of this central unifying reality, so to speak. We approach a scientific understanding of this fact.
To reach this point of understanding the underlaying unity, this fundamental "entanglement," of all things one-to-another, we are going to have to jettison some closely-held beliefs.
Scientists Discover a Jewel at the Heart of Quantum Physics,
Quanta, in Wired, 12-11-13.
This insight has the potential to link classical physics with quantum mechanics, and then identify which of the descriptions of string theory explains quantum mechanics and classic physics.
This bit of insight is just what we needed to make fantastic progress on "The Theory of Everything."
The genius underlying this breakthrough is in the complete abandonment of two seemingly incontrovertable rules: That all possibilities add up to "One," and that cause and effect require proximity.
As the foolish notion of "entrophy" has died a bloody death, so to are the notions of "100%" and classic "cause and effect." This change in perspective is akin to us humans having stopped looking at the universe backwards through our telescope, finally turning it around in the correct direction.
The nature of the multidimensional reality we live in makes both of these assumptions both true and false. From our dimensional perspective there are only the sum of possibilities we can see within our dimensional framework, making the total probabilities always add up to one: Probabilities sitting in the extra dimensions we cannot yet properly count or weigh, but which are at play in high energy particle physics, make all total possible outcomes "One" for each set of dimensions, making the total of possible outcomes greater than one.
Thus the apparent "weirdness" of reality. This "weirdness" has appeared in previous systems just before they imploded, or should I say, "reached the next level of understanding."
Many of our current paradigms are approaching the cliff of extinction. A new understanding will dawn if our understanding exceeds our greed, and we survive the power of our ignorance currently abusing our technology...
This extra-dimensional entanglements composing "reality" makes the notion of physical proximity being necessary for cause and effect obsolete. If the first assumption is true, that there are more probabilities than "1," then so too is our second assumption.
Wow. A new era in physics may very well be daybreaking, if we survive the last. And it will turn out that the nature of reality is a far cry from our long held assumptions.
What the nature of reality itself is actually doing is much more magnificant than our sad explanations.
A late update to this NEWS page...
Have We Been Interpreting Quantum Mechanics Wrong This Whole Time?
Wired, June 30, 2014
Has the era of offically sanctioned "magic" claimed by physicists come to an end? Are the strange behaviors described by Quantum Mechanics actually logical?
Wait until you hear exactly what I think dark matter is.
What is the universe made of?
December 02, 2015, Université de Genève.
Hot gas caught streaming into “Pandora’s Cluster,”
December 9th, Ars Technica.
Forming planet observed for first time,
November 18, 2015, University of Sydney.
Hubble spies Big Bang frontiers,
Oct 22, 2015, ESA/Hubble Information Centre.
Nov. 23, 2015, Chandra X-Ray Observatory
Searching the Sky for the Wobbles of Gravity,
October 22, 2015, Quanta.
Kepler's 'Bizarre' Signal Sparks Alien Intelligence Speculation,
Oct 16, 2015, Space.com.
In the Beginning…there was light.
Astronomers find best observational evidence of first-generation stars in the universe,
UC Riverside, June 17, 2015.
New study favors cold, icy early Mars,
American Geophysical Union, June 15, 2015.
New map confirms four Milky Way arms,
Earth-Sky, June 14, 2015.
Orion the Hunter
The Winter Circle
NIGHTIME WINTER SKIES
ORION the HUNTER
(Grand Image and Overlay)
Set DIGITAL TELESCOPE Below:
5h 30m 48s
Virtual Digital Telescope & Star Chart
Backpacker Constellation & Star Chart
Use the Constellation & Star Chart to
find the Coordinates for setting the
Virtual Telescope & Star Chart Above.
Adjust the Digital Telescope's
NASA SPACE CALENDAR
Milky Way photo with 46 billion pixels,
Oct 21, 2015, Ruhr-University Bochum.
Sun Erupts With Gigantic Plume Of Fire | Video,
Oct 16, 2015, Space.com.
Jupiter Update, Hubble Video,
October, 13, Nasa.
The current position of the Vernal Equinox is in Pisces, when the Northbound sun crosses celestial equator, not Aries. Yet the position of the Vernal Equinox in Aries is the basis of assignment of traditional Western astrological signs.
This means that if you thought you were one sign, you are not that sign. You are actually the sign previous to the sign you thought you were.
For example, If you thought you were an Aries, you are a Pisces, and so on.
The Precession of the Equinoxes
The very slowly changing position of the Vernal Equinox is a product of what is called, "The Precession of the Equinoxes."
The Precession of the Equinoxes is the motion the equatorial plane of the Earth experiences as its axis wobbles like a top. A very slowly wobbling top: Each circle of our axis wobble spans 26,000 years.
The Precession of the Equinoxes is also responsible for the changing location of North in the Night sky.
As the Earth slowly wobbling on its spinning "North-South" X-axis traces out a circle in our Northern Sky, so too does this motion scribe out a circle along its horizontal Y-axis. It's this motion along our horizon that changes the position of the Vernal Equinox in the equatorial sky.
The slowly shifting positions of the North Stars and Vernal Equinoxes are different expressions of the same planetary motion, the wobble of the Earth on its axis.
We follow Astro-physics for fun, because the Nature of Life itself is pretty entertaining on its own merits.
Understanding the basic construction and Nature of our Universe is a pragmatic move for all its "operators," but especially for backpacker's navigation and finding context in the terrain. So we've worked out some even more specialized resources: