Four and a half billion years ago, our solar system was a cloud of gas and dust swirling around the sun, until gas began to condense and accrete along with dust to form asteroids and planets. What did this cosmic nursery, ...
Planetary Sciences
Jun 20, 2024
0
111
If you've ever seen a shooting star, you might have actually seen a meteor on its way to Earth. Those that land here are called meteorites and can be used to peek back in time, into the far corners of outer space or at the ...
Planetary Sciences
Mar 26, 2023
0
368
Water makes up 71% of Earth's surface, but no one knows how or when such massive quantities of water arrived on Earth.
Planetary Sciences
Mar 15, 2023
7
975
Earth's potassium arrived by meteoritic delivery service finds new research led by Carnegie's Nicole Nie and Da Wang. Their work, published in Science, shows that some primitive meteorites contain a different mix of potassium ...
Planetary Sciences
Jan 26, 2023
0
274
Even as detailed images of distant galaxies from the James Webb Space Telescope show us more of the greater universe, scientists still disagree about how life began here on Earth. One hypothesis is that meteorites delivered ...
Biochemistry
Dec 7, 2022
0
272
Since return mission Hayabusa2 brought samples of asteroid Ryugu back to Earth in 2020, a team of experts from across the world have been examining them to learn more about the origins of our solar system.
Space Exploration
Oct 21, 2022
0
99
When the Chelyabinsk fireball exploded across Russian skies in 2013, it littered Earth with a relatively uncommon type of meteorite. What makes the Chelyabinsk meteorites and others like them special is their dark veins, ...
Astronomy
Oct 4, 2022
0
130
The violent event that likely preceded our solar system's formation holds the solution to a longstanding meteorite mystery, says new work from Carnegie's Alan Boss published in The Astrophysical Journal.
Astronomy
Jun 29, 2022
1
499
A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...
Planetary Sciences
Jun 16, 2022
1
1288
Just over 12 months ago, we were sitting at Woomera, in the Australian outback, waiting for a streak of light in the sky to testify that the Hayabusa2 spacecraft had returned from its voyage to collect a little piece of a ...
Planetary Sciences
Feb 11, 2022
0
1728
