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Earth, Meteorite
Astronomers Uncover the Origin of Most of Earth’s Meteorites, Shedding Light on Our Solar System’s Past
Prior to the new research, scientists had traced the source of just 6 percent of the known meteorites that fell on our planet
Astronomers trace the origin of meteorites that have struck Earth
Meteorites - rocks that fall to Earth from space - have pelted our planet from its birth about 4.5 billion years ago to today, often causing scant damage but sometimes triggering cataclysms. But from where exactly are these space rocks coming?
We Finally Know Where Most Meteorites on Earth Actually Came From
"Supporting evidence includes the existence of associated dust bands, the cosmic-ray exposure ages of H chondrite meteorites, and the distribution of the pre-atmospheric orbits of meteorites," write the authors in one published paper.
Space on MSN
1d
Hera probe snaps its 1st images of Earth and moon on way to asteroid crash site
The Hera spacecraft successfully launched toward the asteroids Didymos and Dimorphos on Oct. 7, meant to follow up on NASA's ...
12h
Enigmatic Fossil Shows First Signs Of Being Earth’s First Animal
The 550-million-year-old Quaestio simpsonorum is the first fossil to show a definitive left-right asymmetry, an important ...
2d
on MSN
The system that moves water around the Earth is off balance for the first time in human history
Destructive land use, mismanagement and climate change are fueling a water disaster set to wreak havoc on economies and lives ...
1d
on MSN
Solar Flare Warning as Earth in Crosshairs of Explosive New Sunspot
A new sunspot forming on the surface of the sun might be about to fling solar flares in our direction. The sunspot, named ...
1d
on MSN
A near-Earth microquasar emerges as a source of powerful radiation
Modern astronomy has clung to the belief that the relativistic outflows or jets, responsible for the existence of ...
2d
on MSN
Some of Earth’s Oldest Crust Is Disintegrating
Cratons are believed to be the longest-lived regions of the Earth, but a new study shows how dynamic processes can cause ...
1d
on MSN
Easter Island Volcanoes Challenge Textbooks on Earth's Interior
An unexpected find in tiny crystals hints that the Earth's mantle may not quite behave as has been believed for nearly a ...
Hosted on MSN
1d
How much do SpaceX's reentering Starlink satellites pollute Earth's atmosphere?
SpaceX's Starlink satellites now make up 40% of reentering satellite debris. But is Elon Musk's space company the worst ...
21h
Comment: Certification is key to ensuring that steel doesn’t cost the Earth
In today’s unpredictable world, one constant remains: the challenge of climate change. And at its centre sits the energy ...
1d
on MSN
Comet Seen Once Every 80,000 Years Passes Over Earth Tonight—Here’s How To See It
The comet—traveling about 44 million miles away—was observed from Earth for the first time earlier this month.
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