Tag Archives: meteorites

The parent body of the Almahata Sitta meteorites — space rocks that rained down on the Nubian Desert in Sudan in 2008 — is a 640 to 1,800 km-wide water-rich asteroid that is as yet unknown, according to new research. Hamilton et al. studied the composition of Almahata Sitta 202 …

  If you remember even basic elementary school geography, you know that Earth’s surface is mostly water. Scientists have disagreed about how all that water ended up on Earth. Was it all here when the planet formed, or was Earth a dry husk until asteroids and comets delivered water? A …

A new study published in the journal Nature Astronomy is the first to look at meteorites from before giant space collision 466 million years ago. This is an artist’s rendering of the space collision 466 million years ago that gave rise to many of the meteorites falling today. Image credit: …