Alkaid

comet catalina, C/2013 US10

Comet Catalina

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Comet Catalina (C/2013 US10) is a comet from the Oort Cloud currently making its first and only visit to the inner solar system. The comet was first discovered on October 31, 2013 by the Catalina Sky Survey using a 27-inch Schmidt-Cassegrain telescope. At the time of discovery, it had an apparent magnitude of 19. Since September 2015, it has been around magnitude 6.
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spica,alpha virginis,brightest star in virgo,virgo cluster

Spica

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Spica, Alpha Virginis, is the brightest star in the southern constellation Virgo and the 16th brightest star in the sky.

It is a blue subgiant star located at a distance of 262 light years from Earth. Spica is really a close binary star system. It is one of the nearest massive binary stars to the solar system.

The name Spica (pronounced /ˈspaɪkə/) comes from the Latin phrase spīca virginis, meaning “Virgo’s ear of grain.” The Latin word spicum refers to the ear of wheat Virgo holds in her left hand. In Greek and Roman mythology, the constellation and the star were associated with Demeter (Ceres), the goddess of the harvest.
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whirlpool galaxy,messier 51,m51,hubble image

Whirlpool Galaxy – Messier 51

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The Whirlpool Galaxy, also known as Messier 51 (M51) and NGC 5194, is a grand-design spiral galaxy in Canes Venatici. The galaxy appears face-on when seen from Earth. Its designation in the New General Catalogue is NGC 5194. The galaxy lies about 23 million light years from Earth. It was named the Whirlpool because of its swirling spiral structure.

The Whirlpool Galaxy is one of the brightest and most famous galaxies in the night sky, notable for its two striking spiral arms that make M51 a grand design galaxy. The spiral arms are really lanes of stars and starburst regions interspersed with dust. They compress hydrogen gas and are responsible for creating new clusters of stars.
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big dipper,big dipper stars,big dipper facts

Big Dipper

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The Big Dipper is one of the most easily recognizable asterisms in the night sky, found in the constellation Ursa Major, the Great Bear. The star pattern, formed by the seven brightest stars of Ursa Major, is well-known in many cultures and goes by many other names, among them the Plough, the Great Wagon, Saptarishi, and the Saucepan. The Big Dipper is particularly prominent in the northern sky in the summer, and is one of the first star patterns we learn to identify.
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