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The Boomerang Nebula is a protoplanetary nebula [2] located 5,000 light-years from Earth in the constellation Centaurus. It is also known as the Bow Tie Nebula and catalogued as LEDA 3074547. [3] The nebula's temperature is measured at 1 K (−272.15 °C; −457.87 °F) making it the coolest natural place currently known in the Universe. [4] [5 ...
This is a list of coolest stars and brown dwarfs discovered, arranged by decreasing temperature. The stars with temperatures lower than 2,000 K are included. Coolest main sequence stars
IAU designated constellations by area; Historical brightest stars, the brightest star in Earth's night sky at each period within the last or next 5 million years; Limiting magnitude; List of variable stars; List of semiregular variable stars; List of stars that have unusual dimming periods; List of brightest natural objects in the sky; List of ...
Explore the universe with news on fascinating discoveries, scientific advancements and more. The last meteor shower of 2023 is set to send meteors streaking across the sky just in time for the ...
The radiant for Quadrantids -- the point in the sky from which the meteors appear to originate -- is an obsolete constellation called "Quadrans Muralis," located between the constellations of ...
Bahu was its Sanskrit name, as part of a Hindu understanding of the constellation as a running antelope or stag. [25] In traditional Chinese astronomy, the name for Betelgeuse is 参宿四 (Shēnxiùsì, the Fourth Star of the constellation of Three Stars) [202] as the Chinese constellation 参宿 originally referred to the three stars in Orion ...
Aquila is a constellation on the celestial equator. Its name is Latin for 'eagle' and it represents the bird that carried Zeus/Jupiter's thunderbolts in Greek-Roman mythology. Its brightest star, Altair, is one vertex of the Summer Triangle asterism. The constellation is best seen in the northern summer, as it is located along the Milky Way.
Best visible at 21:00 (9 p.m.) during the month of June. Corona Borealis is a small constellation in the Northern Celestial Hemisphere . It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy , and remains one of the 88 modern constellations .