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Overview of the Milky Way as seen by Gaia, with prominent dark features and star clouds labelled. The Great Rift extends from the far left across the galactic field of stars. One of the regions obscured by the Great Rift is the Cygnus OB2 association, a cluster of young stars and one of the largest regions of star formation within 2 kiloparsecs.
The Milky Way [c] is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.
Orion Nebula. The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation of Orion, [b] and is known as the middle "star" in the "sword" of Orion. It is one of the brightest nebulae and is visible to the naked eye in the night sky with an apparent ...
The supergalactic coordinate system is a spherical coordinate system in which the equator lies in the supergalactic plane. By convention, supergalactic latitude is usually abbreviated SGB, and supergalactic longitude as SGL, by analogy to b and l conventionally used for galactic coordinates. The zero point (SGL = 0°, SGB = 0°) [3] lies in the ...
Four views of the constellation Orion: . Top: Baroque drawing of Orion from Johannes Hevelius ' star atlas Firmamentum Sobiescianum, showing the stars as they would appear to an observer looking down upon the imaginary celestial sphere from the outside (left); and illustration from the medieval Persian astronomical text Book of Fixed Stars (right)
The find, announced Wednesday, can help explain how solar systems across the Milky Way galaxy came to be. This one is 100 light-years away in the constellation Coma Berenices. A light-year is 5.8 ...
Andromeda Galaxy. A visible light image of the Andromeda Galaxy. Messier 32 is to the left of the galactic nucleus and Messier 110 is at the bottom right. The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31, M31, and NGC 224.
The fixed stars includes all the stars visible to the naked eye other than the Sun, as well as the faint band of the Milky Way. Due to their star-like appearance when viewed with the naked eye, the few visible individual nebulae and other deep-sky objects also are counted among the fixed stars. Approximately 6,000 stars are visible to the naked ...