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Astronomers estimate that the universe could contain up to one septillion stars – that’s a one followed by 24 zeros. Our Milky Way alone contains more than 100 billion, including our most well-studied star, the Sun. Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements.
- Types
A star is born. Scientists call a star that is fusing...
- Stars and Galaxies
Powerful telescopes on Earth and observatories in space,...
- Types
20 de mar. de 2019 · Most distant star ever seen found in Hubble Space Telescope image. Stars spend 90 percent of their lives in their main sequence phase. Now around 4.6 billion years old, ...
26 de sept. de 2022 · How are stars named? And what happens when they die? These star facts explain the science of the night sky.
This Hubble Space Telescope view shows one of the most dynamic and intricately detailed star-forming regions in space, located 210,000 light-years away in the Small Magellanic Cloud (SMC), a satellite galaxy of our Milky Way. At the centre of the region is a brilliant star cluster called NGC 346.
Discover the wonders of the night sky with NASA's interactive skymap. Learn about stars, planets, constellations and more with a click of your mouse.
