The brightest star in the eastern sky that shines after dusk is Vega. This star is considered to be the main star of the Summer Triangle. Deneb is the next brightest star, appearing on Vega’s left, and Altair appears to the right.
The Summer Triangle climbs higher early in the evening throughout summer and reaches its highest overhead position at dusk in the beginning of fall. Vega is an Arabic name that means “swooping eagle." This star can be located in the Lyra constellation and is approximately 25 light years away from Earth. It is three times larger than the sun and is 50 times more luminous.Learn More
A group of stars in the sky that can be viewed from the Earth is known as a constellation. There are 88 known constellations that exist in the sky.Full Answer >
Five facts about Ursa Major are: it is also known as the Great Bear, it is the largest constellation in the sky, it has a companion constellation known as Ursa Minor, the body and tail are part of the Big Dipper and most of Ursa Major is circumpolar. Circumpolar means that the constellation can be seen all year long.Full Answer >
Hydra, spanning 1303 square degrees of the sky, is the largest constellation. Hydra is located in the skies of the southern hemisphere and was first named by the Greek astronomer Ptolemy in the second century.Full Answer >
A star is born through the combination of interstellar particles from clouds of dust and gas. The birth of a star requires a disturbance, such as the movement of a comet through the particles, to start the formation.Full Answer >