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Primordial Asteroids That Never Suffered Massive Collisions all Seem to be Larger Than 100 km. Why?
The early asteroids had a similar size, and this could be due to turbulence in the early solar system.
The post Primordial Asteroids That Never Suffered Massive Collisions all Seem to be Larger Than 100 km. Why? appeared first on Universe Today.
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What Would Raindrops be Like on Other Worlds?
Precipitation is much more widespread throughout that solar system than commonly assumed. Obviously it rains water on Earth. But it snows carbon dioxide on Mars, rains methane on Titan, sulfuric acid on Venus, and could potentially rain diamonds on Neptune. The type of material falling out of the sky is almost as varied as the …
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Jupiter Could Make an Ideal Dark Matter Detector
So, you want to find dark matter, but you don’t know where to look? A giant planet might be exactly the kind of particle detector you need! Luckily, our solar system just happens to have a couple of them available, and the biggest and closest is Jupiter. Researchers Rebecca Leane (Stanford) and Tim Linden (Stockholm) …
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Perseverance Takes a Selfie With Ingenuity. It’s Almost Time to fly
Perseverance is having a proud parent moment in this image, looking like it’s waiting with a child at the bus stop on the first day of school. The Mars 2020 rover took this selfie with the Ingenuity helicopter, which is preparing to take the first controlled flight ever on another world. On April 3rd, Ingenuity …
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What are the Best Ways to Search for Technosignatures?
The search for extraterrestrial intelligence (SETI) has long roots in human history. With the advent of modern technologies, scientists were finally able to start scanning the skies for any sign of life. When the search first started back in the 1960s, it focused almost exclusively on trying to detect radio signals. Over the decades, no …
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An Intermediate-Mass Black Hole Discovered Through the Gravitational Lensing of a Gamma-ray Burst
An intermediate mass black hole was discovered by its chance alignment with a gamma ray burst.
The post An Intermediate-Mass Black Hole Discovered Through the Gravitational Lensing of a Gamma-ray Burst appeared first on Universe Today.
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Perseverance Captured This Image of a “Rainbow” on Mars, but it’s just a Lens Flare in the Rover’s Camera
Did the Perseverance rover capture a rainbow on Mars? This image, from the rover’s left rear Hazard Camera, sure looks like it. But alas, no. However, film director JJ Abrams would be proud. The rover’s official Twitter account explained it best, that rainbows just aren’t possible on Mars, and this is simply a lens flare: …
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Mars Helicopter Survives its First Night on Mars is Getting Ready to Fly
NASA's Ingenuity Helicopter survived its first night on the Martian surface and is preparing for its first test flight.
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Here’s a Strange Rock That Perseverance Shot With its Laser
Perseverance has been busy lately. After testing its systems out, taking the first sound recording ever on the Red Planet, and dropping off its helicopter sidekick, now it has the opportunity to work on its primary mission: stare at some rocks. And occasionally zap them with a laser. That laser is part of the Supercam …
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Lunar Gateway Will Maintain its Orbit With a 6 kW ion Engine
The ionic propulsion system that will allow the Lunar Gateway to orbit the Moon just got its first test, and passed with flying colors
The post Lunar Gateway Will Maintain its Orbit With a 6 kW ion Engine appeared first on Universe Today.
