News tagged with outer crust

Water Planets

Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.

Jan 22, 2010
4.6 / 5 (18) 4 | with audio podcast

Search results for outer crust

What is Mars made of?

For thousands of years, human beings have stared up at the sky and wondered about the Red Planet. Easily seen from Earth with the naked eye, ancient astronomers have charted its course across the heavens ...

Feb 26, 2015
4.9 / 5 (21) 2

How was the Earth formed?

Just how did the Earth—our home and the place where life as we know it evolved—come to be created in the first place? In some fiery furnace atop a great mountain? On some divine forge with the hammer ...

Dec 10, 2014
4.4 / 5 (13) 6

US plans to answer the lure of Europa

To planetary scientists Jupiter's icy moon Europa is a Siren, calling out to them across the solar system. With its youthful surface, abundance of water and the tantalising evidence of a moon-wide ocean ...

Nov 10, 2014
4.5 / 5 (10) 0

List of search results for outer crust