Tens of thousands of asteroids—that we know of—are roaming our solar system. These are building blocks made up of metal, silicates, and ice left over from the beginning of time when the planets (Mercury, Venus, Earth, ...
Astronomy
Jun 5, 2023
0
8
The Mastcam-Z instrument aboard NASA's Perseverance Mars rover recently collected 152 images while looking deep into Belva Crater, a large impact crater within the far larger Jezero Crater. Stitched into a dramatic mosaic, ...
Planetary Sciences
May 18, 2023
2
18
Meteorite impacts can be cataclysmic events in the history of a planet, melting rock, changing atmospheric chemistry, and wreaking general havoc.
Planetary Sciences
Apr 12, 2023
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55
Both scientists and the public can navigate a new global image of the Red Planet that was made at Caltech using data from NASA's Mars Reconnaissance Orbiter.
Planetary Sciences
Apr 5, 2023
1
488
Countless meteorites have struck Earth in the past and shaped the history of our planet. It is assumed, for example, that meteorites brought with them a large part of its water. The extinction of the dinosaurs might also ...
Planetary Sciences
Feb 22, 2023
0
576
Ground-penetrating radar from China's Martian rover Zhurong reveals shallow impact craters and other geologic structures in the top five meters of the Red Planet's surface. The images of the Martian subsurface are presented ...
Planetary Sciences
Feb 14, 2023
1
1036
I think all craters are cool, I'm just going to start with that. I am very biased.
Planetary Sciences
Jan 26, 2023
1
13
The moon's pock-marked surface tells the story of its history. It's marked by over 9,000 impact craters, according to the International Astronomical Union (IAU.) The largest ones are called impact basins, not craters. Now, ...
Planetary Sciences
Dec 14, 2022
1
54
A Martian megatsunami may have been caused by an asteroid collision similar to the Chicxulub impact—which contributed to the mass extinction of all non-avian dinosaurs on Earth 66 million years ago—in a shallow ocean ...
Planetary Sciences
Dec 1, 2022
11
78
Most of the worlds of our solar system are pockmarked with impact craters. These bear testament to the violence of the early days of the sun, when asteroids, comets and entire planets routinely collided with and annihilated ...
Planetary Sciences
Nov 21, 2022
0
3
