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27 Cards in this Set
- Front
- Back
What is Spectroscopy? |
A study of spectra or spectrum produced when a beam of light is passed through a prism. It is used for |
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What is a Spectroscope? |
A device that produces a focused spectrum. |
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Why is Venus hotter then Mercury? |
Venus is hotter because it has a carbon dioxide and nitrogen atmosphere that traps in heat. And it had the highest surface temperature. |
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What are the characteristics of the inner planets ( terrestrial planets.) |
They are; •rocky •small then the outer planets •revolve fast •rotate slow |
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What are the characteristics of the outer planets (Gas Giants, Gaseous Planets.) |
They are; •made of gas •large •revolve slow •rotate fast |
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What is the Doppler Effect? |
Change in a frequency as it becomes closer (higher pitched) or father away (lower pitch.) |
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Electromagnetic Spectrum |
The range of wavelengths or frequencies over which electromagnetic radiation extends. |
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Remote Sensing |
Taking measurements from space. • track erosion •track weather •track forest growth •track land used in cities |
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Red Shifted? |
When something is on the red end of the spectrum. It's moving away from us. |
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What is Blue Shifted? |
Something that is on the blue end of the spectrum. It's moving towards us. |
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Heliocentric |
The model of our solar system with the sun in the middle. |
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Geosyntric |
The model of our solar system with the Earth in the middle. |
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How does a rocket work. |
??? |
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How do you handle water in space? |
Recycle it they use the moisture from the breath of people and lab rodents plus there urine then filter it and use it. |
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What is a Galaxy and the size? |
What our solar system is part of. Small then the universe. Bigger then our solar system. |
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What is a Nebula? And the size? |
A cloud or dust in space. They are smaller then our solar system. |
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What is our Solar System? And the size? |
A collection of 8 planets and their moons orbiting the Sun. Smaller the the Galaxy. |
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What is a star? And the size? |
Is an incandescent body in the night sky. Like our Sun. |
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What is Gravitation Assist? Why? |
A method of a spacecraft to accelerate rapidly using the gravity of the planet. Why- they use it to move faster or slow down. |
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What are stars made up of? |
Hydrogen |
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Why do they use space shuttles? |
Their reusable. |
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Why do they use Geosynchronous Satellites? |
Because they can cover a larger area. |
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What is Parralx and Triangulation? |
A method used to measure the distance between stars. By imagining a triangle. |
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What is Azimuth? |
Angle measured clock wise from north. |
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What is Altitude? |
Angle measured between the horizon. |
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What is Frame of Reference? |
They way you see something. |
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What order do the planets go in? |
Inner Sun, Mercury, Venus, Earth, Mars, Outer Jupiter, Saturn, Uranus, Neptune |