4 days ago · 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.

Aug 5, 2024 · 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

Oct 11, 2024 · 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!

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.

Mar 25, 2025 · A nebula is a cloud of dust and gas in space. Una nebulosa es una nube gigante de polvo y gas en el espacio. Algunas nebulosas provienen del gas y el polvo expulsado por la explosión de una estrella moribunda, como una supernova.Otras nebulosas son regiones donde comienzan a formarse nuevas estrellas.

called planetary nebulae (pronounced NEB-u-lee), they really have nothing to do with planets. They got their name ZKHQ DVWURQRPHUV ¿rst saw them through early telescopes, because they looked similar to planets with rings around them, like Saturn. A planetary nebula is really a shell of glowing gas and plasma from a star at the end of its life.

Apr 3, 2025 · A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.

Apr 3, 2025 · Galaxies, nebulae, and supernova remnants to view or print. explore; What Is Gravity? Gravity is the force by which a planet or other body draws objects toward its center. explore; NASA Pumpkin Stencils. Paint pumpkins with space and Earth science designs . do; Printable Space Valentines

Apr 3, 2025 · NASA science games, articles and activities for kids

4 days ago · Many stars, nebulae, and other objects are named after the constellations they are found in. For example, meteor showers are named for the constellation where the meteors appear to be coming from. So, for example, the Orionids meteor shower, which occurs in October each year, appear to come from the same direction as the constellation Orion the ...