Explore tens of thousands of sets crafted by our community.
Stars and Constellations
25
Flashcards
0/25
Polaris
Also known as the North Star, it is located almost directly above the North celestial pole, making it the current northern pole star. It is part of the constellation Ursa Minor.
Sagittarius
A zodiac constellation represented as a centaur drawing a bow. It points its arrow toward the heart of Scorpius the scorpion. Sagittarius contains many star clusters and the center of our Milky Way galaxy.
Rigel
A blue supergiant star that is the brightest in the constellation Orion. It is the sixth-brightest star in the night sky. Rigel is a multiple star system composed of at least four stars.
Orion
A prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous and recognizable constellations in the night sky.
Draco
A constellation in the far northern sky. Its name means 'dragon' in Latin, and it was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy.
Crux
Known as the Southern Cross, it is the smallest of all 88 constellations but one of the most distinctive. It is dominated by a cross-shaped asterism that is a prominent feature of the southern hemisphere's night sky.
Capella
A bright star located in the constellation of Auriga, the sixth-brightest in the night sky. It is actually a system of four stars in two binary pairs located about 42 light-years from the Sun.
Andromeda
A constellation named after the princess Andromeda in Greek mythology. It is most famous for the Andromeda Galaxy (M31) which is one of the farthest objects visible to the naked eye.
Cygnus
A northern constellation lying on the plane of the Milky Way. The constellation's name means 'the swan' in Latin, and it is most commonly represented as a bird flying along the plane of the Milky Way.
Alpha Centauri
Located in the constellation of Centaurus, it is the closest star system to the Solar System at 4.37 light-years from the Sun. It is a triple star system composed of three stars: Alpha Centauri A, Alpha Centauri B, and Proxima Centauri.
Pleiades
An open star cluster located in the constellation of Taurus. Commonly known as the Seven Sisters and Messier 45 (M45), this cluster is among the nearest star clusters to Earth and is easily visible to the naked eye in the night sky.
Lyra
A small constellation often represented as a lyre. It contains Vega, one of the brightest stars in the night sky, and is home to the notable deep sky objects like the Ring Nebula (M57).
Altair
A bright star in the constellation of Aquila (The Eagle). With a visual magnitude of 0.77, it is the twelfth brightest star in the sky, and is surrounded by the dense field of stars of the Milky Way.
Ursa Major
Commonly referred to as the Great Bear, it is a large northern hemisphere constellation which contains the Big Dipper asterism.
Vega
The fifth-brightest star in the night sky and the second-brightest star in the northern celestial hemisphere, after Arcturus. It is part of the constellation Lyra.
Canopus
The second-brightest star in the night sky, after Sirius. Located in the constellation Carina, it is a bright giant of spectral type A9, and is located roughly 310 light years from the Sun.
Gemini
A zodiac constellation representing the twins Castor and Pollux. Gemini is well-known for its two bright stars Castor and Pollux, and for being the radiant point of the Geminid meteor shower observed every December.
Big Dipper
An asterism within the larger constellation of Ursa Major. It consists of seven bright stars and is well-known in various cultures, used often for orientation and navigation.
Sirius
The brightest star in the Earth's night sky, located in the constellation Canis Major. With a visual apparent magnitude of -1.46, it is almost twice as bright as Canopus, the next brightest star.
Cassiopeia
Recognizable by its 'W' or 'M' shape formed by five bright stars. It is located in the northern sky and is named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivaled beauty.
Aquarius
Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces. Its name is Latin for 'water-carrier' or 'cup-carrier', and its symbol is (Unicode ♒). It is one of the oldest of the recognized constellations along the zodiac (the sun's apparent path).
Taurus
A large and prominent constellation in the northern hemisphere's winter sky. Taurus hosts two of the closest open clusters to Earth, the Pleiades and the Hyades, and the Crab Nebula (M1), the remnant of a supernova.
Betelgeuse
A red supergiant star in the constellation Orion. It is one of the largest and most luminous observable stars, and is on the verge of becoming a supernova within the next 100,000 years.
Arcturus
The fourth-brightest star in the night sky and the brightest in the northern celestial hemisphere. Part of the constellation Boötes, Arcturus is a red giant star approximately 36.7 light-years from Earth.
Scorpius
A zodiac constellation easily identifiable due to its bright star Antares and its resemblance to the shape of a scorpion. Scorpius lies between Libra to the west and Sagittarius to the east.
© Hypatia.Tech. 2024 All rights reserved.