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40 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Celestial objects |
All objects in the sky, including the sun, moon, planets, and stars |
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Electromagnetic radiation |
Energy that is carried or radiated in the form of waves spectrum |
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Spectroscope |
Optical instrument that acts like a prism to separate light into basic colours |
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Red shift |
When light wave lengths become longer |
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Cosmological red shift |
The theory that explains that distant galaxies are moving farther away from us |
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What are the three basic galaxy shapes? |
Spiral, elliptical and irregular |
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What type of galaxy is this? Describe it |
Spiral Galaxy Long arms Pinwheel Old stars are in the centre |
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How does a star form |
Helium and hydrogen |
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As an intermediate mass star gets smaller and cooler and dimmer it becomes a |
White dwarf |
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A supernova can further contact resulting in a rapidly rotating unimaginably dense _______ star |
Neutron |
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Intermediate mass stars life cycle |
They cool changing to a red giant then to a white dwarf then to a black dwarf star |
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Atoms of _______ fuse together to become _______ this chance is called nuclear _______ |
Hydrogen, helium, and fusion |
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What are the rocky inner planets |
Mercury, Venus, Earth, Mars |
VEMM |
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What are the gas giants? |
Juniper, Saturn, Uranus, Neptune |
JUNS |
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What is an object that orbits a planet? What two planets don’t have this object |
A moon. Mercury and Venus |
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Small objects that orbit the sun, found between mars and Jupiter |
Asteroid |
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What is a low mass star that uses its hydrogen slowly |
Red dwarf |
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As an intermediate mass star gets smaller and cooler and dimmer it becomes a |
Black dwarf |
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Doppler effect |
When the wavelength of the light from an object changes due to motion |
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Cooler, darker regions at the surface; their numbers increase and decrease in a regular pattern |
Sunspots |
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Violent outbursts of hot gases that send streams of high energy particles into space these streams of particles are called the solar winds |
Solar flares |
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The surface of the sun which is about 6000 degrees |
Photosphere |
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The outermost region of gas surrounding the sun which can reach over 3,000,000 |
Corona |
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List some celestial bodies |
Sun, earth, mars and the moon |
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A dense cloud-like collection of gas and dust in space |
Nebula |
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What is a galaxy |
A galaxy is a group of stars |
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Supernova |
A dramatic powerful explosion |
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Cooler, darker regions at the surface of the sun; their numbers increase and decrease in a regular pattern |
Sunspots |
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Atoms of _______ has fuse together to become _______ this chance is called nuclear _______ |
Hydrogen, helium, and fusion |
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Stars that are 6000 degrees are _____ in colour |
Yellow |
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Stars that are 3000 degrees are _____ in colour |
Red |
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Stars that are 20,000-40,000 degrees are _______ in colour |
White-blue |
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The life of a star depends on its |
Mass |
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What is the low mass star they used its hydrogen slowly |
Red dwarf |
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What type of galaxy is this? Describe it |
Elliptical galaxy Old stars Over 50% of galaxies are elliptical Large type |
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What type of galaxy is this? |
Irregular Old stars New stars No shape |
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Who discovered that the objects in the galaxy move away from each other |
Hubble |
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What are people called called that study objects in space |
Astronomers |
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What are people called that study objects in space |
Astronomers |
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If a star is moving toward you it’s wavelength becomes |
Compressed |
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