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Stars are luminous spheres made of plasma – a superheated gas threaded with a magnetic field. They are made mostly of hydrogen, which stars fuse in their cores. That process releases energy, which pushes against the weight of the outer layers of the star and keeps it stable. The energy is...
Discover incredible facts about the study of stars. Learn about branches of astronomy, stars' composition, and their life cycle.
1. Gold is made when two neutron stars collide. 两颗中子星相撞会产生金子 2. Humans have made over 8,300 million tonnes of plastic since the 1950s – and thrown most of it out. 人类自上世纪50年代起,已经制...
Alpha Centauri is the closest star system to Earth and is made up of three stars and several exoplanets. We explore our stellar neighbors in more detail here.
Galaxy Facts A galaxy is a massive, gravitationally bound system that consists of stars, stellar objects (such as brown dwarfs and neutron stars), nebulae, an interstellar medium of gas and dust,black holes, and an unknown component of dark matter. Examples of galaxies range from dwarfs with ...
1. Neutron stars can spin at a rate of 600 rotations per second Fun facts about space: The spinning rate of neutron stars.Credit: Flickr / NASA Goddard Space Flight Center Neutron starsare one of the possible evolutionary end-points of high mass stars. They're born in a core-collapse sup...
Instead, at the end of their lives, white dwarfs will explode in a violent supernova, leaving behind a neutron star or black hole. Did you know? According to NASA, a teaspoon of white dwarf matter would weigh 5.5 tons on Earth— about the same as an elephant! Smaller stars, however,...
"On SpongeBob SquarePants and Jimmy Neutron they try to have the whole cast record together whenever possible. When the whole cast is there, I love it, because all the actors get to play off one another. When I think about it, I would have to say, that is my favorite way of...
"On SpongeBob SquarePants and Jimmy Neutron they try to have the whole cast record together whenever possible. When the whole cast is there, I love it, because all the actors get to play off one another. When I think about it, I would have to say, that is my favorite way of ...