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The total mass of the asteroid belt is significantly less than Pluto 's, and roughly twice that of Pluto's moon Charon. The asteroid belt is a torus -shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies ...
Orion Arm. The Orion Arm, also known as the Orion–Cygnus Arm, is a minor spiral arm within the Milky Way Galaxy spanning 3,500 light-years (1,100 parsecs) in width and extending roughly 10,000 light-years (3,100 parsecs) in length. [2] This galactic structure encompasses the Solar System, including Earth.
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.
Category. : Milky Way. This category is for categorizing under the galaxy, not under the band of light in the night sky. Wikimedia Commons has media related to Milky Way Galaxy.
37.5 [102] The current star in the North Pole. It is a Classical Cepheid variable, and the brightest example of its class. Arcturus (α Boötis) 25.4 ± 0.2 [103] This is the nearest red giant to the Earth, and the fourth brightest star in the night sky. Dubhe (α Ursae Majoris A) 17.03 ± 0.13 [99] AD.
The Milky Way Project. The Milky Way Project is a Zooniverse project whose main goal is to identify stellar-wind bubbles in the Milky Way Galaxy. Users classify sets of infrared images from the Spitzer Space Telescope and the Wide-field Infrared Survey Explorer ( WISE ). [1] Scientists believe bubbles in these images are the result of young ...
Pawnee mythology is the body of oral history, cosmology, and myths of the Pawnee people concerning their gods and heroes. The Pawnee are a federally recognized tribe of Native Americans, originally located on the Great Plains along tributaries of the Missouri and Platte Rivers in Nebraska and Kansas and currently located in Oklahoma.
For example, the Milky Way galaxy has a supermassive black hole at its center, corresponding to the radio source Sagittarius A*. [7] [8] Accretion of interstellar gas onto supermassive black holes is the process responsible for powering active galactic nuclei (AGNs) and quasars .