LYNETTE COOK / SCIENCE PHOTO LIBRARY LYNETTE COOK / SCIENCE PHOTO LIBRARY
Not for use in popular astronomy and related books for adults.
Extrasolar moon and planet. Artwork of a hypothetical extrasolar moon surface. This moon orbits a gas giant planet, seen rising above the horizon on the left. The frozen moon surface is thawing, with pools of liquid water visible, as the planet passes nearer its parent star. Many extrasolar planets discovered so far have eccentric orbits around their parent star. Although the gas giant planet would not be a suitable place for life to evolve, it is thought their moons may be.
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