About 449,000 results
Open links in new tab
  1. What Is a Nebula? | Facts, Definition, What Are They?, Types

    Nov 5, 2019 · A nebula is a huge cloud of combined gas and dust in space. It can contain hydrogen, helium, and/or plasma. Click for even more facts or information.

  2. Nebulae Facts For Kids | What?, Formation, Importance, Size, …

    Nebulas' size ranges from millions of miles to hundreds of light-years in diameter. Keep reading for more interesting facts perfect for kids.

  3. Types of Nebulae | Galaxies, Globular & Open Clusters

    Oct 3, 2019 · Originally, the word “nebula” referred to almost any extended astronomical object (other than planets and comets). The etymological root of “nebula” means “cloud”. As is usual …

  4. Orion Constellation | Facts, Information, History & Definition

    Jul 14, 2020 · Orion is among the most prominent constellations in the sky. It is located on the celestial equator and it is visible throughout the world. Click for more.

  5. White Dwarf Star | Facts, Information, History & Definition

    Jun 12, 2020 · white dwarf star, also called a degenerate dwarf, is a stellar core remnant composed mostly out of electron-degenerate matter. Click for more.

  6. Red Giant Star | Facts, Information, History & Definition

    Jun 11, 2020 · A red giant star’s appearance is usually from yellow-orange to red, including the spectral types K and M, but also S class stars and carbon stars.

  7. Supernovas | Facts, Information, Meaning, History & Definition

    Aug 17, 2020 · Supernovas are powerful and luminous stellar explosions. This event occurs during the last evolutionary stages of a massive star.

  8. Aquarius Constellation | Facts, Information, History & Definition

    Jul 14, 2020 · The nebula was named after Saturn due to its superficial resemblance. The apparent magnitude of the nebula is 8.0, having a radius of 0.2 to 0.4 light-years. Helix Nebula …

  9. The Pleiades (Open Star Cluster) | Facts, Information, History

    Oct 2, 2019 · The Pleiades is among the nearest star clusters to Earth, and it is also visible to the naked eye. Keep reading for comprehensive facts and information.

  10. Scorpius Constellation | Facts, Information, Mythology, History ...

    Aug 17, 2020 · The War and Peace Nebula contains many O-type stars, Pismis 24, and various other enormous stars. The nebula is located at around 5,900 light-years away from us, being …