An artist's impression of the simultaneous stellar eclipse and planetary transit events on b. Such a double eclipse event is known as a syzygy. Any rocky moons orbiting the Jupiter-like planet could theoretically have liquid water.
Universe - The nebula Messier 78 (also known as M 78 or NGC is a reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalog of comet-like objects that same year.
NGC 7714 ~ This unusual structure is a river of Sun-like stars that has been pulled deep into space by the gravitational tug of a by a passing galaxy, not seen in this Hubble Space Telescope photo. That's because the near-collision between the galaxies ha