Author Topic: exoplanets - why are so many of them so close to their suns?  (Read 3960 times)

electrobleme

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exoplanets - why are so many of them so close to their suns?
« on: February 22, 2012, 03:50:23 »
So many exoplanets are so close to their sun that they seem to defy gravity. It is easier for us to confirm the existence of large planets that orbit their sun closely, that is why we find them, but why and how can so many of them exist in those orbits without having be pulled into their sun, if it is a gravity universe and not an electric universe?


Quote
Distant 'waterworld' is confirmed

Astronomers have confirmed the existence of a new class of planet: a waterworld with a thick, steamy atmosphere.

The exoplanet GJ 1214b is a so-called "Super Earth" - bigger than our planet, but smaller than gas giants such as Jupiter.

The planet was discovered in 2009 by ground-based telescopes. It is about 2.7 times the Earth's diameter, but weighs almost seven times as much. It orbits its red-dwarf star at a distance of just two million km, meaning temperatures on GJ 1214b probably reach above 200C.
Distant 'waterworld' is confirmed | bbc.co.uk