Recently, HarperCollins announced that it would be releasing an e-version of "Goodnight Moon" that could be personalized — but the only thing toddlers will be able to decorate is an empty front and back cover.
Galle, the innermost ring, is much broader and fainter than either Adams or Le Verrier, possibly owing to the absence of a nearby moon that could provide a strong shepherding effect.
The observatory will have a large sun shield on one side that will be positioned to protect it from light and heat produced by the Sun, Earth and the Moon that could interfere with its observations.
Craters on the moon that could have been formed by such a large collision have been dated to around 3.9bn years, soon after it formed from debris knocked off Earth by an even larger cosmic collision.
In the weeks since, NASA officials have started sketching out how that effort might unfold — from a series of small commercial landers, to larger NASA landers, to a multinational space station near the Moon that could serve as a base for robots and astronauts travelling to the lunar surface.
It's also thought that this newly found planet may host a rocky moon that could contain water and even life.
