
Night sky - Wikipedia
Night sky Stars in the night sky The night sky is the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is …
Constellation - Wikipedia
The Flamsteed designation of a star, for example, consists of a number and the genitive form of the constellation's name. Other star patterns or groups called asterisms are not constellations under the …
Star chart - Wikipedia
A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations, stars, nebulae, galaxies, and planets. [1]
Orion (constellation) - Wikipedia
Orion as depicted in Urania's Mirror, a set of star chart cards published in London c. 1825 Orion's seven brightest stars form a distinctive hourglass -shaped asterism, or pattern, in the night sky. Four …
Lists of stars by constellation - Wikipedia
Lists of stars by constellation All stars but one can be associated with an IAU (International Astronomical Union) constellation. IAU constellations are areas of the sky.
Star - Wikipedia
A star is a luminous spheroid of plasma held together by self-gravity. [1] The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night; their immense distances from Earth …
Asterism (astronomy) - Wikipedia
Asterism (astronomy) A picture of stars, with a group of appearingly bright blue and white stars. The bright stars together are identified as the asterism Coathanger resembling a coathanger, in the …
Southern celestial hemisphere - Wikipedia
A star chart of the entire Southern Sky, centered on the south celestial pole The southern celestial hemisphere, also called the Southern Sky, is the southern half of the celestial sphere; that is, it lies …