News tagged with faint early sun paradox

Search results for faint early sun paradox

How old are the first planets?

To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth ...

Aug 31, 2012 4.8 / 5 (9) 10 | with audio podcast

The Earth's new water budget

Investigating the history of water on Earth is critical to understanding the planet's climate. One central question is whether Earth has always had the same amount of water on and surrounding it, the same ...

Mar 05, 2012 4.7 / 5 (7) 9 | with audio podcast

List of search results for faint early sun paradox