Serious Flashcards by Kyseem Ransome | Brainscape

Q

What is AU?

A

AU is the distance Between the sun and the Earth.

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Q

What is Light Year?

A

Unit of length just under 10 trillon kilometers

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Q

What is a parsec?

A

Its 3.26 light years

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Q

What is Nebula?

A

no well defined bounderies

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Q

constellation is what type of grouping

A

the grouping of celestial bodies.

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Q

What is Planetesimal?

A

It means small fraction of the planet

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Q

WHAT IS PROTOPLANETARY

A

they are embryos that attract eachother

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Q

Nuclear Fusion

A

when particales come togethor and and create nuclie

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Q

what is asteroids?

A

large rocks

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Q

What is gas gaint planet?

A

a planet filled with hot gasses.

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Q

What is a Comet?

A

dust and ice particle.

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Q

What is terriestrial planet?

A

the four intermost planets.

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Q

What is Angular Velocity?

A

Angular Velocity is the rate of change

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Q

What is Orbit

A

Orbit is moving around n bigger object.

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Q

What is Period?

A

A portion of time.

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Q

What is revolve?

A

To go around on an axis.

Q

What is Rotation?

A

The action of spinning in a circle.

Q

What is sidereal?

A

the time between two consecutive.

Q

What Is Solar Day

A

The sun overlaped its highest point twice

Q

What is a year

A

the time it takes for earth to revolve around the sun.

Q

What is Cosomoligist?

A

an astrnaut who study evouloution?