Sep 25, 2025 · What Is a Nebula? The Short Answer: A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the …

Sep 25, 2025 · We live on a planet called Earth that is part of our solar system. But where is our solar system? It’s a small part of the Milky Way Galaxy. A galaxy is a huge collection of gas, …

Sep 25, 2025 · Usually a very dense core is left behind, along with an expanding cloud of hot gas called a nebula. A supernova of a star more than about 10 times the size of our sun may leave …

Nebula Name That Nebula play What Is a Nebula? How Did the Solar System Form? The story starts about 4.6 billion years ago, with a cloud of stellar dust. explore Gallery of NASA …

Sep 25, 2025 · Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it …

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 …

Sep 25, 2025 · explore What Is a Supernova? explore What Are Constellations? explore How Does Our Sun Compare With... explore What Is a Nebula? Glossary for "Sign Here!" words All …

Aug 29, 2022 · This cloud was part of a bigger cloud called a nebula. At some point, the cloud collapsed—possibly because the shockwave of a nearby exploding star caused it to compress.

Sep 25, 2025 · A light-year is the distance light travels in one Earth year. Learn about how we use light-years to measure the distance of objects in space.

Sep 25, 2025 · Interstellar space begins where the sun’s magnetic field stops affecting its surroundings. Space Place in a Snap tackles this fascinating question! Galaxies, nebulae, and …