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8 de ago. de 2023 · Earendel is a massive B-type star located in the Sunrise Arc galaxy, a magnified galaxy in the first billion years after the big bang. It is the most distant star ever detected, observed 1 billion years after the big bang, thanks to gravitational lensing by a massive galaxy cluster.
30 de mar. de 2022 · By Kenneth Chang. Published March 30, 2022 Updated April 1, 2022. Star light, star bright, how far you look tonight. Astronomers announced on Wednesday the discovery of the farthest and...
30 de mar. de 2022 · Nov 21, 2023. Andrea Gianopoulos. NASA’s Hubble Space Telescope has established an extraordinary new benchmark: detecting the light of a star that existed within the first billion years after the universe’s birth in the big bang – the farthest individual star ever seen to date.
Hace 3 días · Learn about the properties and evolution of stars, the self-luminous celestial bodies of gas that shine by radiation derived from their internal energy sources. Compare the Sun with other stars in terms of size, mass, temperature, and brightness.
Sirius, brightest star in the night sky, with apparent visual magnitude −1.46. It is a binary star in the constellation Canis Major. The bright component of the binary is a blue-white star 25.4 times as luminous as the Sun.
Learn about the life cycle of stars, from birth to death, and how they are formed and classified. Find out how stars shine, explode, and enrich the universe with elements.
28 de jul. de 2021 · Polaris, known as the North Star, sits more or less directly above Earth's north pole along our planet's rotational axis. This is the imaginary line that extends through the planet and out of the north and south poles. Earth rotates around this line, like a spinning top.
