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Items tagged with: Space
A mind-blower for a Friday evening:
This deceptively simple-looking graph is a spectrum of *gravitational waves* ringing through the Milky Way.
The waves may be caused by a chorus of supermassive black holes colliding all across the universe. Whoa!
https://arxiv.org/abs/2306.16227 #science #space #physics #astronomy
The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and first data releases respectively, with the correlation properties of a gr…arXiv.org
I'm more of a reader than a writer in 'Mastodon Space' but today I bring you something that those people I follow may not have heard of: what's likely to be the first attempt at a space suit, designed as early as 1936 in Spain. It was to be tested with a hot air balloon but unfortunately the whole thing had to be scrapped due to the Civil War. One piece of the original suit has now been found. In Spanish but Google Translate does the trick.
#space #astronaut #mars
https://www.eldiario.es/sociedad/capa-perdida-emilio-herrera-primer-traje-espacial-historia_1_11357855.html
La capa 'perdida' de Emilio Herrera: “Esto es lo único que nos queda del primer traje espacial de la historia”
“¿Dónde tenemos la capa con la que el bisabuelo quería viajar al espacio?”. Una pregunta como esta, o muy parecida, le traslada Selena Herrera a su madre en un céntrico piso madrileño, minutos antes de extraer una prenda brillante y de aspecto metáli…Antonio Martínez Ron (elDiario.es)
After years of searching, astronomers have finally detected an atmosphere on a rocky planet around another star.
But what a strange planet it is! 55 Cancri e seems to be blanketed in carbon dioxide gas bubbling out of a global ocean of lava. Like an image out of Dante's Inferno.
https://webbtelescope.org/contents/news-releases/2024/news-2024-102 #space #science #nasa #astronomy
"In 1912, Oskar von Miller, an electrical engineer and founder of the Deutsches Museum, had an idea: Could you project an artificial starry sky onto a dome, as a way of demonstrating astronomical principles to the public?"
https://spectrum.ieee.org/planetarium-history
#science #space #planetarium #history
A Brief History of the World’s First Planetarium
Crowds flocked to see an artificial starry sky projected onto a domeAllison Marsh (IEEE Spectrum)
#PPOD: As carbon dioxide frost sublimates with the warming Martian spring, a pattern emerges of dark brown sand dunes interspersed with the remaining bright frost. Image taken by the HiRISE camera onboard NASA's Mars Reconnaissance Orbiter. Credit: NASA / JPL-Caltech / University of Arizona
#mars #science #space #scicomm
"The sun produced its biggest flare in nearly two decades Tuesday, just days after severe solar storms pummeled Earth and created dazzling northern lights in unaccustomed places."
AP reports: "The good news is that Earth should be out of the line of fire this time because the flare erupted on a part of the sun rotating away from Earth."
#Sun #SolarFlare #Space #NorthernLights #NOAA #NASA
Sun shoots out biggest solar flare in almost two decades
The sun isn't done yet. That's the message from the National Oceanic and Atmospheric Administration, as the biggest flare in nearly two decades erupted on the sun Tuesday.MARCIA DUNN (AP News)
So, which is it?
"Musk's Starlink satellites disrupted by major solar storm" https://www.cnbc.com/amp/2024/05/11/musks-starlink-satellites-disrupted-by-major-solar-storm.html
or
"SpaceX Starlink satellites doing just fine after weekend solar storm, company says" https://www.space.com/spacex-starlink-solar-storm-healthy-satellites ?
It can't be both. 🤷🏼♂️
#Space #SpaceX #Starlink #SpaceSustainability #SolarStorm
SpaceX Starlink satellites doing just fine after weekend solar storm, company says
In 2022, however, a solar storm doomed 40 satellites.Elizabeth Howell (Space)
#PPOD: NASA's Voyager 1 probe launched in 1977 and is now the most distant human-made object from Earth, traveling through interstellar space. Recently, NASA engineers had to figure out why the probe was suddenly sending unreadable data. After nearly six months of analysis and re-programming, they got Voyager correctly transmitting again. Truly a feat of human ingenuity. Credit: Dave Granlund
#comic #cartoon #funny #science #space #scicomm
The universe may have a complex geometry — like a doughnut.
Science News reports: "In a universe with an analogous, complex topology, you could travel across the cosmos and end up back where you started."
#Space #Universe #Physics #Astrophysics #Science
The universe may have a complex geometry — like a doughnut
Physicists haven’t yet ruled out the possibility that the universe has a complicated topology in which space loops back around on itself.Emily Conover (Science News Magazine)
Aurora colors come from atoms that are trying to shed some of their energy.
In very thin air, oxygen survives in a delicate, high-energy state that emits green light. In denser air, atomic collisions knock oxygen to a lower-energy state that emits red. Nitrogen is a robust emitter that glows bright in even lower, denser layers of the atmosphere.
Beautiful science.
https://www.swpc.noaa.gov/content/aurora-tutorial #aurora #science #space #nature
An interesting article on the time line of the universe.
The Universe passed through many epochs, from free quarks and gluons to stable protons and neutrons to neutral atoms to stars, galaxies, planets, and more. The precise time at which these various epochs occurred, including the (current) dark energy-dominated era, can be pinpointed with precision. Here’s how we know.
#science #space #universe
https://bigthink.com/starts-with-a-bang/story-timeline-universe/?utm_source=internal&utm_medium=email&utm_campaign=weeklynewsletter&utm_content=05%2F09%2F24+Smarter+Faster&rjnrid=EDnXmOz
The scientific story behind the timeline of our Universe
From the earliest stages of the hot Big Bang (and even before) to our dark energy-dominated present, how and when did the Universe grow up?Ethan Siegel (Big Think)
A rare severe geomagnetic storm watch is issued for the first time in nearly 20 years amid "unusual" solar event.
CBS News quotes the U.S. National Oceanic and Atmospheric Administration (NOAA): "Geomagnetic storms can impact infrastructure in near-Earth orbit and on Earth's surface, potentially disrupting communications, the electric power grid, navigation, radio and satellite operations."
#Sun #SolarFlare #Geomagnetic #Space #Science
Rare severe geomagnetic storm watch issued for first time in nearly 20 years amid "unusual" solar event
The sunspot responsible for the odd series of strong solar flares is so big you can see it with your own eyes from Earth.Li Cohen (CBS News)
4 large incoming solar bursts could supercharge the auroras this weekend
Increased solar activity has prompted the Space Weather Prediction Center (SWPC) to increase their vigilance heading into Mother's Day weekend.Meredith Garofalo (Space)
AI in space: Karpathy suggests AI chatbots as interstellar messengers to alien civilizations
Andrej Karpathy muses about sending a LLM binary that could "wake up" and answer questions.Ars Technica
https://spectrum.ieee.org/satellite-antenna-metasurface #space #nasa #universe #astronomy #art #science #galaxy #moon #stars #spacex #technology #tech #innovation #engineering #business #technews #gadgets
2.6 tons of batteries and the pallet they were mounted on were supposed to burn up in the atmosphere. Not all of it did, and Alejandro Otero's house was hit with a 0.7 kg nickel-chromium cylinder from space.
https://www.space.com/object-crash-florida-home-iss-space-junk-nasa-confirms
Object that slammed into Florida home was indeed space junk from ISS, NASA confirms
It was part of a pallet jettisoned along with 5,800 pounds of aging batteries back in March 2021.Mike Wall (Space)
https://theconversation.com/venus-is-losing-water-faster-than-previously-thought-heres-what-that-could-mean-for-the-early-planets-habitability-229342
#News #Science #Space #Chemistry
Venus is losing water faster than previously thought – here’s what that could mean for the early planet’s habitability
Studying Venus’ water loss can help scientists better understand how planets go from potentially habitable to incapable of supporting life.The Conversation
If all goes well on Monday, two #NASA astronauts will blast off into space on #Boeing’s #Starliner spacecraft.
And it’s a big deal – this long-delayed mission will represent the vehicle’s first crewed launch. If successful, it will give NASA – and in the future, space tourists – more options for getting to low Earth orbit.
https://theconversation.com/boeings-starliner-is-about-to-launch-if-successful-the-test-represents-an-important-milestone-for-commercial-spaceflight-228862
#space #News
Boeing’s Starliner is about to launch − if successful, the test represents an important milestone for commercial spaceflight
The Starliner has had delays and issues. The May 2024 launch will put its capacity to carry crew to the International Space Station to the test.The Conversation
There’s a tiny but measurable threat posed by stellar cataclysms such as supernovae and related phenomena such as gamma-ray bursts.
If close enough, these events can disturb telescopes and even damage the ozone layer.
https://theconversation.com/exploding-stars-are-rare-but-emit-torrents-of-radiation-if-one-happened-close-enough-to-earth-it-could-threaten-life-on-the-planet-224720
#Science #astronomy #space
Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet
Some ancient texts record what were likely dying stars, faintly visible from Earth. If close enough, these events can disturb telescopes and even damage the ozone layer.The Conversation
If you want to read about why the Hubble Space Telescope is in trouble and is in safe mode right now, here's your link:
https://www.adastraspace.com/p/hubble-space-telescope-safe-mode-gyroscopes
#space #science #hubble #nasa
https://wandering.shop/@skrishna/112356385897060107
The Hubble Space Telescope is in safe mode again
One of its gyroscopes isn't workingSwapna Krishna (Ad Astra)
Look how tiny JWST's view of the sky is, especially compared to Euclid's wide field of view.
#JWST took an image of the very top of the Horsehead Nebula, focusing in on a region that transitions from a dense, warm area of gas and dust (blue) to an area of hot, ionized gas (red).
https://webbtelescope.org/contents/news-releases/2024/news-2024-119
#Science #Space #Jupiter #Earth #Moon #SolarSystem
Jupiter may be the reason why Earth has a moon, new study hints
The great planetary instability, which saw Jupiter and the other gas giants wander chaotically through the solar system, coincides with the collision that formed Earth's moon. Could the two events be linked?Keith Cooper (Live Science)
Success and Preparation
At 1:47 a.m. EST (6:47 UTC) on Nov. 16, 2022, #NASA’s #Orion #spacecraft launched atop the #Space Launch System (#SLS) rocket from historic Launch Pad 39B at NASA’s Kennedy Space Center on a path to the #Moon, officially beginning the Artemis I mission.
https://www.youtube.com/watch?v=2WODej84jxg
Success and Preparation
At 1:47 a.m. EST (6:47 UTC) on Nov. 16, 2022, NASA’s Orion spacecraft launched atop the Space Launch System (SLS) rocket from historic Launch Pad 39B at NASA...YouTube
Dying SpaceX rocket tears blood-red 'hole' in the sky over Texas — again
"On April 10, a bright red atmospheric "hole" was spotted in the night sky above Texas shortly after SpaceX launched 23 Starlink satellites into space. It is the latest example of an increasingly common phenomenon caused by the company's dying rockets"
Our galaxy seems to be full of "rogue" planets wandering alone between the stars.
A new observation from NASA's TESS space telescope hints that these dark worlds might hugely outnumber the normal (?) planets, like Earth, that bask in the warmth and light of a sun.
https://astrobiology.com/2024/04/searching-for-free-floating-planets-with-tess-i-discovery-of-a-first-terrestrial-mass-candidate.html #space #science #astronomy #astrodon
Searching For Free-Floating Planets with TESS: I. Discovery of a First Terrestrial-Mass Candidate - Astrobiology
Though free-floating planets (FFPs) that have been ejected from their natal star systems may outpopulate their bound counterparts in the terrestrial-mass rangeKeith Cowing (Astrobiology)
Why is Methane Seeping on Mars?
The most surprising revelation from NASA’s Curiosity Mars Rover — that methane is seeping from the surface of Gale Crater — has scientists scratching their heads.
#Mars #curiosity #rover #methane #GaleCrater #geology #geophysics #regolith #soil #salt #chemistry #astrodon #space #science #STEM
Why is Methane Seeping on Mars? NASA Scientists Have New Ideas - NASA Science
The most surprising revelation from NASA’s Curiosity Mars Rover — that methane is seeping from the surface of Gale Crater — has scientists scratching their heads. Living creatures produce most of the methane on Earth.science.nasa.gov
Up Close With the Completed 3.2-Gigapixel #LSST #Camera
Engineers at the #SLAC National Accelerator Laboratory have completed work on the Legacy Survey of #Space and Time camera. The device is the world's largest digital camera and will be the centerpiece of a 10-year mission to map the night sky from the Vera C. Rubin #Observatory in #Chile.
https://www.youtube.com/watch?v=8We0FtSJ6D4
Up Close With the Completed 3.2-Gigapixel LSST Camera
Engineers at the SLAC National Accelerator Laboratory have completed work on the Legacy Survey of Space and Time camera. The device is the world's largest di...YouTube
“The budget proposal is functional first step to begin internalizing the externalities wrought from private space flight—the short-term costs are unquestionably most evident in air traffic control. Using the internalization of that cost as a wedge to pursue broader policy initiatives that ensure the ongoing low-Earth congestion caused by increased satellite deployment is calculated and compensated for is a long-term solution.”
https://www.forbes.com/sites/andrewleahey/2024/04/22/do-we-need-a-property-tax-for-space
Do We Need A Property Tax For Space?
Considering a proposal for a property tax-like policy for the deployment of near-Earth satellites.Andrew Leahey (Forbes)
Would you like to see #OrsonWelles talking about alien life, along with contributions from various scientists including #CarlSagan ?
NASA did a weird documentary in 1975 which is exactly that. As NASA films are public domain, I've uploaded it to PeerTube and you can watch it at:
https://fedi.video/w/kDCK9DJg5Q5CAkEU5YVdKc
#Aliens #NASA #Space #SETI #Science @space
Who's Out There? (1975)
NASA documentary on extraterrestrial life presented by Orson Welles, with contributions from various scientists including Carl Sagan.The documentary is public domain, as are almost all videos released by NASA.
These four captivating photos were taken from space, offering breathtaking perspectives of our planet Earth. Each image provides a unique view that invites viewers to marvel at the beauty and complexity of our world from a perspective that few ever get to experience firsthand.
#EarthDay #EarthDay2024 #Earth #Science #Astronomy #Astrodon #Space #PaleBlueDot #HappyEarthDay
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