A supernova, pluralized as supernovae, is an explosion of a star that happens at the end of the star's life cycle. The explosion is extremely bright and can be brighter than its galaxy for a ...

Discover the supernova definition and meaning. Learn what conditions are necessary for a star to become a supernova and what happens to the star...

What is a nebula? Learn about the origins of nebulae, understand three different types of nebulae, and learn about the process of nebula formation.

Dec 13, 2024 · The massive star turns into a red supergiant, goes supernova, and ends up as a neutron star or a black hole - again, depending on its size.

Explore neutron stars and supernova remnants in this engaging video lesson. Learn about their characteristics, then test your knowledge with an optional quiz.

Explore the star formation process and discover what a star is made of. See the distinction between nebulas and protostars and read how a new star...

Tycho Brahe is known for his most accurate records of the position of stars and planets. In addition, he coined the term nova and observed the very bright star, a supernova, in 1572.

Tycho Brahe observed the supernova of 1572 and proved that it was a distant object, as opposed to an atmospheric object, as most scientists at the time believed.

Learn the massive star definition and know when a star is termed a massive star. Explore the life cycle of a large star and discover examples of massive stars.

Discover how massive stars explode into a supernova in this informative video lesson. Grasp the process of this phenomenon, along with an optional quiz.