Sep 25, 2025 · Una supernova es la explosión más grande que los humanos hayan contemplado jamás. Todas las explosiones de las estrellas son extremadamente brillantes y superpoderosas.

Sep 25, 2025 · A supernova of a star more than about 10 times the size of our sun may leave behind the densest objects in the universe— black holes. The Crab Nebula is the leftover, or remnant, of a …

Sep 25, 2025 · What's This Big Bang All About? In 1927, an astronomer named Georges Lemaître had a big idea. He said that a very long time ago, the universe started as just a single point. He said the …

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 supernova remnants …

Sep 25, 2025 · 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. Other nebulae are regions where new stars are …

Sep 25, 2025 · explore What Is a Supernova? explore What Is a Solar Eclipse? Learn more about what happens when the moon passes between Earth and the sun! explore What Is a Solar Eclipse? …

Sep 25, 2025 · It is called the supernova remnant Cassiopeia (cas-ee-oh-PE-a) A. All of the elements that make up the sun and planets in our solar system, and all the elements on Earth and in our …

Sep 25, 2025 · Credit: NASA What causes gravitational waves? The most powerful gravitational waves are created when objects move at very high speeds. Some examples of events that could cause a …

Aug 29, 2022 · Space is a pretty dark place. Even so, some areas are darker than others. Nothing is darker than a black hole. A black hole is an area of such immense gravity that nothing—not even …

Sep 25, 2025 · Supernova: The explosion of a star that makes it as bright as a whole galaxy. Tectonics: Big movements of Earth’s crust. Tectonics creates mountain ranges, deep sea trenches, volcanoes, …