Space
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Planetary Science
Hayabusa2 has blasted the surface of asteroid Ryugu to make a crater
Japan’s Hayabusa2 spacecraft shot a projectile at Ryugu. Next: collecting asteroid dust from the probable impact crater left behind.
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Astronomy
This planetary remnant somehow survived the death of its sun
A small, sturdy piece of planet survived the collapse of its sun and now orbits the dead star.
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Planetary Science
Metal asteroids may have once had iron-spewing volcanoes
Two groups of scientists introduce the idea of “ferrovolcanism,” or iron volcanoes, that could have occurred on metal asteroids like Psyche.
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Physics
The LIGO and Virgo gravitational wave detectors are back on
Souped-up instruments could spot never-before-seen sources of gravitational waves.
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Astronomy
4 things we’ll learn from the first closeup image of a black hole
Scientists are gearing up to release the first image of the black hole at the center of the galaxy. Here’s what they hope to find out.
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Planetary Science
Saturn’s rings paint some of its moons shades of blue and red
Moons located among Saturn’s inner rings are different colors depending on their distance from the planet, suggesting they’re picking up ring debris.
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Planetary Science
Kuiper Belt dust may be in our atmosphere (and NASA labs) right now
Bits of space debris that collect in Earth’s atmosphere may come from as far as the cold, distant Kuiper Belt region beyond Neptune.
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Planetary Science
Ryugu is probably a chip off one of these two other asteroids
Japan’s Hayabusa2 team has narrowed down the asteroid Ryugu’s origins based on its color.
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Astronomy
X-ray ‘chimneys’ connect the Milky Way to mysterious gamma-ray bubbles
Two columns of X-rays that are hundreds of light-years long could explain the existence of giant bubbles of energetic light that sandwich the galaxy.
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Planetary Science
Surprising astronomers, Bennu spits plumes of dust into space
Bennu spews dust from its rocky surface, which may be a new kind of asteroid activity.
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Planetary Science
Ultima Thule may be a frankenworld
The first geologic map of Ultima Thule shows it might be made of many smaller rocks that clumped together under the force of their own gravity.
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Astronomy
One of the strongest known solar storms blasted Earth in 660 B.C.
Ice cores and tree rings reveal that Earth was blasted with a powerful solar storm 2,610 years ago.