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…

3 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…

10 months 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…

1 year 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…

8 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…

10 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