Science News explains the strange chemistry that’s behind the new discovery, and why it means that Venus can get added to the same list as Mars and the Jovian moon Europa as a possible… Read the rest “Phosphine gas means there might be life on Venus.”
BBC peers into deepest space to find the origins of a gravity “shockwave” from 7 billion years ago that was still strong enough to shake laser detectors on Earth last May –… Read the rest “A black hole bigger than a hundred suns.”
Space.com shares what we learned about how Earth’s gravity has affected 2020QG, a car-sized asteroid that became the closest to approach Earth without slamming into us:
… Read the rest “We just had the closest asteroid fly-by ever.”Early Sunday
Science Daily reports on radioactivity research that has found evidence that at least one mass extinction event in Earth’s history was caused not by an asteroid crash, but by cosmic… Read the rest “Supernovas have caused mass extinctions. (As if asteroids weren’t bad enough.)”
SONG: “Campfires”
ARTIST: grant.
SOURCE: Based on Science Daily, 16 July 2020, “Solar Orbiter’s first images reveal ‘campfires’ on the Sun”… Read the rest “SONG: Campfires”
Science Daily looks to the asteroid belt between Mars and Jupiter, where the dwarf planet Ceres spins – and may serve as a vast reservoir for space travelers. NASA’s Dawn spacecraft… Read the rest “Ceres shines brightest where there’s salt water under the surface.”
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It’s my mother’s birthday today. Here, nine glorious suns for a Leo.
They were photographed by the European Space Agency’s Extreme Ultraviolet Imager… Read the rest “Science Art: The many faces of the Sun from Solar Orbiter’s EUI and PHI instruments, 2020”
Science Daily shares research from NASA’s Solar Dynamics Observatory, or SDO, that gives us a new handle on predicting when the worst solar flares will come, giving us enough extra… Read the rest “We’ve got a new way to predict solar flares.”
The moon is a body in space that reflects the light of our sun back at us. Which might sound a little weird to say, but this picture does make it all a little easier to grasp.
It’s… Read the rest “Science Art: Phases of the Moon, 1844.”
“Bad Astronomer” Phil Plait, over at SyFy.com, explains a new study that demonstrates how the red giant Betelgeuse might have gotten so big – by eating another star… Read the rest “Betelgeuse, the cannibal.”
Satellite Streak Watcher is a project on the AnecData citizen science site that asks anyone with a cell phone to take a picture of the night sky to see just how many satellites there really … Read the rest “Help track satellites (for astronomers worried that they’re starting to block out the stars.)”
Science Daily shares some of the discoveries from the first images of the Solar Orbiter mission – including the presence of “mini-flares” that astronomers have dubbed… Read the rest “There are campfires on the Sun.”
LiveScience has more on the entirely new, bright-edged circular objects, the so-called “odd radio circles” or ORCs that astronomers are struggling to figure out:
… Read the rest “Radio telescopes have spotted four very strange… things.”In a new
Scientific American has an unexpected explanation for the mysterious interstellar object dubbed “‘Oumuamua” that drifted into our solar system in 2017. Maybe the monolithic… Read the rest “Maybe ‘Oumuamua was a hydrogen iceberg. Not a comet. Not an asteroid. Hydrogen.”
Nature looks inside pulsing stars – not pulsars, but a group called “δ Scuti stars” – that flicker in a regular enough pattern that astronomers can use the frequency… Read the rest “Music of a pulsing star reveals its inner structure.”
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