Solar Nebula
Finally, Let’s Look at the Asteroid Treasure Returned to Earth by OSIRIS-REx
NASA's OSIRIS-REx delivered its precious cargo to Earth on September 24th, 2023. The sample from asteroid Bennu is contained inside…
10 months ago
Earth Might Have Formed in Just a Few Million Years
Earth formed about 4.6 billion years ago. That simplistic statement is common, and it's a good starting point for understanding…
1 year ago
Earth’s Water is 4.5 Billion Years Old
The origin of Earth's water has been an enduring mystery. There are different hypotheses and theories explaining how the water…
2 years ago
Why Do Red Giants Expand?
We know that the Sun will last another 5 billion years and then expand us a red giant. What will…
9 years ago
Found! Sun’s ‘Sibling’ Likely Formed From Same Gas Cloud, Astronomers Say
Peer about 110 light-years away from our solar system, and you might catch a glimpse of how our own neighborhood…
11 years ago
Isotopes May One Day Aid In Planet Search
When we consider samples from the solar nebula, we think about comets and meteorites. These materials come from our solar…
11 years ago