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Busse - Esps

1B Astronomy Vocab

Solar System Objects, such as stars and planets that revolve around the sun.
Star A hot gas ball, mostly made of hydrogen and helium that undergoes nuclear fusion.
Stellar Spectra Continuous black body spectrum based on the absorption line surface temperature sequence.
Planet An object that doesn't produce light of its own, in space orbitting a star.
Solar Nebula A cloud of gas and dust that rotates and was formed by the solar system.
Gas Giant Large planets that consist of deep, dense gases.
Nuclear Fusion When multiple nuclei form together to make a nucleus.
Main Sequence Where most stars lie on the HR Diagram.
HR Diagram A graph that relates to brightness and temperature of stars.
Nebula Cloud of dust and gas in space.
Red Giant An expanding star late in its life cycle, that cools down once it runs out of hydrogen fuel.
White Dwarf Leftover center of an old star that is now small, hot and dim.
Nova A star that becomes a thousand times brighter and then fades.
Neutron Star A star that has collapsed under its own gravity to where the electrons and protons have combined to form neutrons.
Pulsar A neutron star, spinning rapidly which creates radio waves.
Blackhole A star, where light can't escape it due to the gravitational pull on its surface.
Created by: bussem