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Robinson Star Vocab

King's vocab

TermClouds of dust & gas in space
Nuclear Fusion The process by which stars generate their energy. Their gravity squashes Hydrogen atoms into Helium atoms
Polaris The North Star, located in the constellation Ursa Minor.
Proto-star A young star that is not yet hot enough for fusion to take place
Main Sequence Mature stars that are fusing Hydrogen into Helium.
Pulsar A rotating neutron star that emits high amounts of electromagnetic radiation.
Binary Star Two stars that orbit around a center of mass.
Red Giant Larger stars that have left the main sequence and have lower temperatures.
Solar Nebula A collection of dust and gas that will eventually form into a star, usually surrounded by planets.
Mass The amount of matter packed into an object.
Red Supergiant The largest stars in the universe as far as volume goes. Red Supergiant’s are not the most massive. They have relatively cool surface temperatures.
Supernova An exploding star
Planetary Nebula Area of gas that has been expelled by a very hot star.
White Dwarf Stars that have used up all of its nuclear fuel and shrunk to a very small size. These stars are found below the main sequence.
Neutron Star Very dense stars composed of neutrons.
Black Hole The last stage of the highest mass stars. Its gravitational pull is so great light cannot escape from it.
Apparent Magnitude brightness of a star as it appears from the Earth.
Absolute Magnitude The amount of light a star produces at a distance of 32 light years.
Sirius The brightest star in the night sky.
Constellation A group of stars that people use to as represent a familiar subject/ object. There are 88 total named constellations.
Created by: lhoule
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