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27 Cards in this Set

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  • 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

What is a Spectroscope?

A device that produces a focused spectrum.

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.

What are the characteristics of the inner planets ( terrestrial planets.)

They are;


•rocky


•small then the outer planets


•revolve fast


•rotate slow

What are the characteristics of the outer planets (Gas Giants, Gaseous Planets.)

They are;


•made of gas


•large


•revolve slow


•rotate fast

What is the Doppler Effect?

Change in a frequency as it becomes closer (higher pitched) or father away (lower pitch.)

Electromagnetic Spectrum

The range of wavelengths or frequencies over which electromagnetic radiation extends.

Remote Sensing

Taking measurements from space.


• track erosion


•track weather


•track forest growth


•track land used in cities

Red Shifted?

When something is on the red end of the spectrum. It's moving away from us.

What is Blue Shifted?

Something that is on the blue end of the spectrum. It's moving towards us.

Heliocentric

The model of our solar system with the sun in the middle.

Geosyntric

The model of our solar system with the Earth in the middle.

How does a rocket work.

???

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.

What is a Galaxy and the size?

What our solar system is part of. Small then the universe. Bigger then our solar system.

What is a Nebula? And the size?

A cloud or dust in space. They are smaller then our solar system.

What is our Solar System? And the size?

A collection of 8 planets and their moons orbiting the Sun. Smaller the the Galaxy.

What is a star? And the size?

Is an incandescent body in the night sky. Like our Sun.

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.

What are stars made up of?

Hydrogen

Why do they use space shuttles?

Their reusable.

Why do they use Geosynchronous Satellites?

Because they can cover a larger area.

What is Parralx and Triangulation?

A method used to measure the distance between stars. By imagining a triangle.

What is Azimuth?

Angle measured clock wise from north.

What is Altitude?

Angle measured between the horizon.

What is Frame of Reference?

They way you see something.

What order do the planets go in?

Inner


Sun, Mercury, Venus, Earth, Mars,


Outer


Jupiter, Saturn, Uranus, Neptune