Sentences with phrase «planets over hundreds of millions of years»

The space physicists noted that the stellar wind that blows from stars could deplete the atmosphere of such planets over hundreds of millions of years, eliminating liquid water that is vital for life as we know it.

In two papers in The Astrophysical Journal Letters, the scientists develop models showing that the stellar wind — the constant outpouring of charged particles that sweep out into space — could severely deplete the atmosphere of such planets over hundreds of millions of years, rendering them unable to host surface - based life as we know it.

Not exact matches

TV and radio preachers trumpet the details of prophecy belief over hundreds of stations and cable networks Hal Lindsey's The Late Great Planet Earth sold 9 million copies within eight years of its publication in 1970.

Currents of hot rock churning inside our planet have tended to pull all the continents together and then cast them apart again over hundreds of millions of years.

«It is surprising, but Earth's atmosphere is about 50 trillion metric tons in mass, and so over long enough timescales — hundreds, thousands, even millions of years — all of that mass, and its drag across the surface of the planet, can have an effect,» said study author Caleb Scharf, director of astrobiology at Columbia University in New York.