Sentences with phrase «rich atmosphere thicker»

Not exact matches

These days the Martian atmosphere is thin and about 95 per cent CO2, but scientists think that 3 or 4 billion years ago the planet's gassy envelope was much thicker and even richer in carbon, making its surface warm enough to support liquid water — and possibly life.

They build up a solid core five to 10 times the mass of Earth — quickly enough that the disk remains gas - rich and the core can pull in a thick atmosphere, producing a gas giant like Jupiter.

But faster accretion and a gas - rich disk raise their own problem: The super-Earths ought to pull in a thick atmosphere once they exceed a certain size.

Most recently, he has discovered that Mars is coated with carbonate - rich dust, possibly a relic of a thick, heat - trapping carbon dioxide atmosphere that blanketed the planet eons ago.

If these warm, nearly Earth - size planets have thick, hydrogen - rich atmospheres, there is not much chance for life.

Based on the available data, the astronomers concluded that the planet's atmosphere is either a thin but dense layer rich in water steam or a thick layer of high clouds or hazes, similar to those seen in the atmospheres of Venus and Titan in the Solar System.