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 …

Sep 25, 2025 · Our solar system is just one specific planetary system—a star with planets orbiting around it. Our planetary system is the only one officially called “solar system,” but astronomers have …

Sep 25, 2025 · 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 explosion of a dying star, such as a supernova.

Sep 25, 2025 · Printable posters, lithographs, postcards, and bookmarks.Posters, Lithos, Postcards, Bookmarks On this page, we offer .pdf files of a number of two-sided posters and lithographs, as well …

Mar 11, 2021 · Galaxies, nebulae, and supernova remnants to view or print.

Jun 27, 2019 · The answer isn't so simple...That depends on who you talk to. What happens if a small cloud of gas floating out in the middle of nowhere forms a sphere because its gravity? Is that a …

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 · Europa is one of Jupiter’s moons. Scientists believe that Europa is especially notable because it may have twice as much water as Earth, though it is so cold on Europa that water on the …

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 behind 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, dust, and …