Orbits Flashcards

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1
Q

What is an orbit

A

It is a regularly repeated path around a star, satellite or planet. (Planets are also satellites)

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2
Q

What keeps objects in space in orbits?

A

Gravity

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3
Q

What would happen to orbits if there was no gravity?

A

If there was no force of gravity then object would move in any direction (in a straight line) at a stead speed and would probably crash into other things.

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4
Q

Planets are

A

Objects that orbit stars

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5
Q

Satellites are

A

Objects that orbit planets

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6
Q

Moons are

A

Natural satellites

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7
Q

What are asteroids made up of?

A

Lumps of rock

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8
Q

Comets are made up of…

A

Lumps of dust rock and ice.

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9
Q

How many years does it take for Jupiter to orbit?

A

12 years

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10
Q

How long does it take for GPS to orbit?

A

12 hours

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11
Q

How long does it take for Communications to orbit?

A

24 hours

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12
Q

How long does it take for ISS to orbit?

A

90 minutes

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13
Q

How long does it take for Halley’s Comet to orbit?

A

75-76 years

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14
Q

How long does it take for the moon to orbit?

A

29.5 days ( approx. 1 month)

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