Planetary nebulae probably play a crucial role in the chemical evolution of the Milky Way by expelling elements into the interstellar medium from stars where those elements were created. Planetary ...
Clearly, the Andromeda Nebula was a system of stars quite separate from the Milky Way, and in many ways comparable to it. From this simple observation, soon repeated for other starry nebulae ...
NASA captured this mosaic of the Heart and Soul nebulae which is located about 6,000 light-years from Earth. NASA captured this beautiful image of Messier 31. M31, also known as the Andromeda Galaxy, ...
That's what happened 4.6 billion years ago, when the sun and the Earth emerged from a now-vanished interstellar nebula. Because we reside within the Milky Way, we actually know less about its ...
Nebula, a stellar nursery located about 5500 ... This image shows the regions of the Milky Way mapped by the VISTA Variables in the Vía Láctea (VVV) ... [+] survey and its companion project ...