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Chapter 8 Glossary Terms
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Reflecting Telescope
A telescope that uses a mirror to capture light
Refracting telescope
A telescope that uses a lens to capture light
Satellite
A piece of equipment that orbits earth
Orbiters
A piece of equipment that orbits a planet and sends data back to earth
Solar Nebula Theory
A theory of how stars are formed that states a star is formed from clouds of hydrogen and dust in a nebula
Nebula
A cloud of dust and gas in space
Protostar
A new star, a disc shaped cloud of dust and gas
Nuclear Fusion
When it is so hot that when atoms hit each other the become other atoms
Photosphere
The surface of the sun
Sunspot
A darker, cooler area on the suns photosphere
Solar Wind
Wind created by the suns gravity
Solar Flare
A discharge of charged particles from the suns photosphere (Northern Lights)
Importance of the sun
The sun is what our planet revolves around
Luminosity
A stars brightness
Absolute Magnitude
A stars brightness at a distance of 32.6 light years away
Spectroscope
An instrument that allows you to see the spectrum given off by light, indicating what elements can be found there.
Spectral lines
Distinct lines that help to define what atoms and molecules are within that spectrum.
H-R Diagram
A way of graphing a stars spectrum type against its luminosity
Main Sequence
Where a star stays for most of its life before evolving and dying, either a low, intermediate or high mass star.
White Dwarf
The stage where a star slowly cools down and fades away
Supernova
When a star explodes at the end of its life
Neutron Star
A star created by a supernova that is so hot only protons and electrons essentially melt themselves into neutrons
How low mass stars evolve
Gravity compresses into white dwarfs and eventually fade away
Black hole
a patch of space that has mass but no volume
How do intermediate mass stars evolve
They become red giants that eventually explode in a super nova and remain as nebula
Evolution of high mass stars
High mass stars become red supergiants before either condensing into a neutron star or exploding into a black hole
Author
NathanBowman
ID
264325
Card Set
Chapter 8 Glossary Terms
Description
My chapter 8 glossary terms for Ms. Day's period 2 science class
Updated
2/28/2014, 3:46:03 AM
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