2025年1月14日 · Nebulae are made of dust and gases—mostly hydrogen and helium. The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas. As these clumps get bigger and bigger, their gravity gets stronger and stronger.

2024年10月11日 · Test your nebulae knowledge and match these tumultuous clouds of gas and dust with their true names. These nebula views were taken by the Hubble Space Telescope, which is a telescope about the size of a school bus that orbits around Earth!

2024年8月5日 · Galaxies, nebulae, and supernova remnants to view or print. explore; Glossary. Find definitions of space and Earth science terms . explore; How Scary Is Space? Check out these nine unearthly nightmares that could be happening right now in our own galaxy. Eek! explore; Printed Product Downloads

2025年1月14日 · A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. An illustration of one of the brightest and most energetic supernova explosions ever recorded.

2025年1月14日 · Dark matter is stuff in space that has gravity, but it is invisible and isn’t like anything else we know about. Dark matter makes up about 27% of the universe.

2025年1月14日 · Learn about NASA space and Earth science with our educational games for kids

2025年1月14日 · Galaxies, nebulae, and supernova remnants to view or print. explore; What Is a Supernova? Learn more about these exploding stars! explore; How Do Telescopes Work? Telescopes use mirrors and lenses to help us see faraway objects. And mirrors tend to work better than lenses! Learn all about it here.

2021年3月11日 · Galaxies, nebulae, and supernova remnants to view or print. Earth. Sun. Solar System. Universe. Science and Tech. Educators. Gallery of NASA Universe Images. The NGC 2336 galaxy, pictured here, is approximately 100 million light-years away from Earth. This image of the galaxy was captured by the NASA/ESA Hubble Space Telescope.

2025年1月14日 · A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.

2025年1月14日 · Articles, games and activities about our home planet