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Bookmark or Share- Hubble's Galaxies - NASA ScienceGalaxies are the visible foundation of the universe; each one a collection of stars, planets, gas, dust, and dark matter held together by gravity. Hubble’s observations give us insight into how galaxies form, grow, and evolve through time. Credit: NASA's Goddard Space Flight Center; Lead Producer: Miranda Chabot; Lead Writer: Andrea Gianopoulos.
- Hubble Spies a Cosmic Eye - NASA ScienceThis NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 2566, which sits 76 million light-years away in the constellation Puppis. A prominent bar of stars stretches across the center of this galaxy, and spiral arms emerge from each end of the bar. Because NGC 2566 appears tilted from our perspective, its disk takes […]
- What Is a Galaxy? | NASA Space Place – NASA Science for KidsSome scientists think there could be as many as one hundred billion galaxies in the universe. This is a picture taken by the NASA’s James Webb Space Telescope showing thousands of galaxies. This image covers a patch of sky approximately the size of a grain of sand held at arm’s length by someone on the ground. The universe is a very big place!
- Galaxies - NASA ScienceGalaxies consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity. The largest contain trillions of stars and can be more than a million light-years across. The smallest can contain a few thousand stars and span just a few hundred light-years.
- Galaxy | Definition, Formation, Types, Properties, & Facts | Britannicagalaxy, any of the systems of stars and interstellar matter that make up the universe. Many such assemblages are so enormous that they contain hundreds of billions of stars.
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