ScienceDesk, to science
@ScienceDesk@flipboard.social avatar

Scientists discovered dark energy over two decades ago and since then have been studying what they thought was an invisible substance that appeared to be pulling the universe apart. But a large 3D map may have highlighted a major flaw — dark energy might not even be a substance. "If this is true,” one scientist said, “this just turns cosmology upside down." And quell some of those fears about the destruction of the universe. Space.com has more: https://flip.it/-xfySS

dustcircle, to Astronomy
@dustcircle@masto.ai avatar
pomarede, to Cosmology
@pomarede@mastodon.social avatar

First Results from DESI Make the Most Precise Measurement of Our Expanding Universe

Researchers have used the Dark Energy Spectroscopic Instrument to make the largest 3D map of our universe and world-leading measurements of dark energy, the mysterious cause of its accelerating expansion

https://newscenter.lbl.gov/2024/04/04/desi-first-results-make-most-precise-measurement-of-expanding-universe/

pomarede, to Cosmology
@pomarede@mastodon.social avatar

Cool video of baryon acoustic oscillations in 3D and how they act as a cosmic ruler for measuring dark energy, just released by Berkeley Lab

https://youtu.be/hoOyOAAj4iY?si=vfnScOcjNGgCHQ9P

inkican, to space
@inkican@mastodon.social avatar

NASA's Artemis IV mission builds on Artemis III's lunar landing, establishing Gateway as a hub for scientific exploration.
https://interestingengineering.com/innovation/artemis-lunar-space-station

getajobmike, to random
@getajobmike@ruby.social avatar

Idle thought: One way to sustain OSS maintainers is to pay them for “proof of life, being a real person and knowledge of their social circle”.

Pay them to meet in person, know their background and interests, see that they are operating in good faith.

It’s not a perfect idea but no one knew anything about JiaTan. Knowing more about the developers behind your supply chain is crucial.

simon,
@simon@simonwillison.net avatar

@dalke @gvwilson @danmayer @getajobmike that's why my suggestion is to pay maintainers to talk to your team via Zoom

And ideally structure the engagement as a Q&A or facilitated interview, so there's no talk preparation involved

More on this idea here: https://simonwillison.net/2023/Nov/10/universe/#universe-11.jpg

shalien, to random
@shalien@projetretro.io avatar

@shalien vs The !

New round

dustcircle, to random
@dustcircle@masto.ai avatar
CharlieMcHenry, to religion
@CharlieMcHenry@connectop.us avatar

Could the cosmos be conscious? …might the universe be “god”? - Sounds more plausible to me than most ‘major religions’.

https://www.heraldscotland.com/business_hq/24222253.mind-blowing-theory-god-may-spark-radical-new-21st-century-religion/

Nonilex, to physics
@Nonilex@masto.ai avatar

#BlackHoles Are Even Weirder Than You Imagined

It’s now thought that they could illuminate fundamental questions in #physics, settle questions about #Einstein’s theories, & even help explain the #universe.

…In recent yrs, the amt of data that scientists have discovered about black holes has grown exponentially.

#Astrophysics #TheoreticalPhysics #astronomy #JamesWebbSpaceTelescope #cool #science
https://www.newyorker.com/science/elements/black-holes-are-even-weirder-than-you-imagined

GetMusic, to epic
dustcircle, to random
@dustcircle@masto.ai avatar
AskPippa, to Astronomy
@AskPippa@c.im avatar
GryphonSK, to random
@GryphonSK@techhub.social avatar
appassionato, to science
@appassionato@mastodon.social avatar

The Cosmic Machine: The Science That Runs Our Universe and the Story Behind It by Scott Bembenek

Energy, Entropy, Atoms, and Quantum Mechanics form the very foundation of our universe. But how do they govern the world we live in? What was the difficult path to their discovery? Who were the key players that struggled to shape our current understanding?

@bookstodon




mattotcha, to random
@mattotcha@mastodon.social avatar
appassionato, to books
@appassionato@mastodon.social avatar

The Unity of the Universe 1959 by Dennis William Sciama

Does the universe consist of independent objects, or is it a single unit? Are some of its features accidental, or can they all be explained in theoretical terms? This accessible book on cosmology addresses profound questions about the universe, and it offers elegant answers in simple, straightforward terms.

http://www.archive.org/details/unityofuniverse00sciahttp://www.archive.org/details/unityofuniverse00scia

@bookstodon



astrocorrus, to random Italian
@astrocorrus@astrodon.social avatar
arkadiusz, to Animal
IngridHbn, to random Dutch
@IngridHbn@mastodon.online avatar

"Controversial new theory of #gravity rules out need for dark matter.
Paper by UCL professor says ‘wobbly’ space-time could instead explain expansion of universe and galactic rotation.
Dark matter is supposed to account for 85% of the mass in the #universe, according to conventional scientific wisdom. But proponents of a radical new theory of gravity, in which space-time is “wobbly”, say their approach could render the elusive substance obsolete."

https://www.theguardian.com/science/2024/mar/09/controversial-new-theory-of-gravity-rules-out-need-for-dark-matter

esmie, to nature

Join renowned physicist Nassim Haramein for an extraordinary event. Get ready to dive into a captivating evening of thought-provoking discussions and groundbreaking insights.

Date: Sat Apr 20 - 21, 2024
Time: 12:30H -13h30 next day (Central European Summer Time)
Location: Chamonix, France - https://www.eventbrite.com/e/billets-nassim-haramein-the-nature-of-reality-tour-chamonix-830114273137

#Event #Nature #Universe #Reality #Conference #France #Europe @consciousliving

Astromeg, to Astronomy

Last night I did a tutorial for my class looking at stellar evolution and how the chemical composition of the has changed over the history of the . Then I wake up to hear Prof Catherine Heymans (Astronomer Royal for Scotland) talking about one of the youngest and most distant ever found, thanks to and why it might be so bright. Here’s the story: https://esawebb.org/news/weic2406/?lang

pomarede, to space
@pomarede@mastodon.social avatar
pomarede,
@pomarede@mastodon.social avatar

Nature Journal astronomy covers

The Early Universe (1982)

Feature review article "The inflationary Universe - birth, death and transfiguration" by John Barrow & Michael Turner

https://nature.com/nature/volumes/298/issues/5877

📷 a simulation of the density contours of the when it was a million years old (produced by J. Silk, A. Szalay and Ya. B. Zeldovich). This distribution later evolves into a large-scale distribution of .

pomarede,
@pomarede@mastodon.social avatar

A timely Nature cover, on the occasion of Albert Einstein 145ᵗʰ birthday.

The issue features a fascinating Review Article by Carla and Franz Kahn: «Letters from Einstein to de Sitter on the nature of the Universe»

https://www.nature.com/articles/257451a0

pomarede,
@pomarede@mastodon.social avatar

Cosmic Strings, and their inprint on the Cosmic Microwave Background radiation, on the cover of this 1984 issue of Nature.

Featuring a paper by Nick Kaiser and Albert Stebbins
https://nature.com/articles/310391a0

... and a News & Views article by Craig Hogan
https://www.nature.com/articles/310365a0

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