Meteorites lend clues to solar system's origin
The isotopic composition of meteorites and terrestrial planets holds important clues about the earliest history of the solar system and the processes of planet formation.
The isotopic composition of meteorites and terrestrial planets holds important clues about the earliest history of the solar system and the processes of planet formation.
Astronomy
Dec 17, 2019
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There's something about our solar system that appears to be unusual. For some reason, most of our bigger planets are far away from our host star, while closer in are smaller, rocky worlds, including Earth itself.
Astronomy
Jun 23, 2015
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(Phys.org) —NASA and international researchers have discovered that Earth's moon has more in common than previously thought with large asteroids roaming our solar system.
Space Exploration
Mar 25, 2013
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In order to understand Earth's earliest history--its formation from Solar System material into the present-day layering of metal core and mantle, and crust--scientists look to meteorites. New research from a team including ...
Space Exploration
Jul 22, 2012
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A newly discovered planet in a binary star system located 3,000 light-years from Earth is expanding astronomers' notions of where Earth-like—and even potentially habitable—planets can form, and how to find them.
Astronomy
Jul 3, 2014
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For the first time, astronomers have discovered seven Earth-size planets orbiting a single nearby star—and these new worlds could hold life.
Space Exploration
Feb 23, 2017
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Fungi, specifically those that are "mycorrhizal," are natural allies of the forest because they improve tree nutrient acquisition. But which of the mycorrhizal feeding strategies yields the greatest tree diversity in a forest: ...
Ecology
Feb 24, 2022
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Moons orbiting planets outside our solar system could offer another clue about the pool of worlds that may be home to extra-terrestrial life, according to an astrophysicist at the University of Lincoln.
Astronomy
Jun 4, 2019
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(PhysOrg.com) -- A global collaboration including five University of Notre Dame researchers has revised the half-life of samarium-146 (146Sm), reducing it to 68 million years from 103 million years. The finding is published ...
Astronomy
Apr 2, 2012
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In the 1997 movie "Contact" (based on the novel by Carl Sagan), actress Jodie Foster plays an astrophysicist devoted to SETI -- the Search for Extra-Terrestrial Intelligence. Despite doubting colleagues, she vigilantly monitors ...
Astronomy
Sep 27, 2010
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