Sun Planets And Asteroids Flashcards

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1
Q

what is a celestial body

A

it is any object in space with mass

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2
Q

what can celestial bodies be made of

A

gas,rocks or both

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3
Q

explain where is the sun and what do we call it

A

it is the star in the centre of our solar system

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4
Q

what is it

A

it is a big ball of burning gas

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5
Q

how many layers doese it consist of

A

6 layers

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6
Q

what is this called

A

the anatomy of the sun

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7
Q

what do all other planets do (sun doesn’t )

A

the evolve /orbit the sun

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8
Q

mass

A

amount of atoms in an object

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9
Q

what 2 groups do you get/types of planets

A

4 rocky interiorand 4 gaseous exterior planets

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10
Q

name the interior

A

Mercury, Venus, earth,Mars

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11
Q

name exterior

A

Jupiter, Saturn, Uranus ,neptune

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12
Q

what is orbit

A

pathway of a celestial body around a star or planet

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13
Q

why is it hard to see the moon during the day

A

cause the sun is much brighter

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14
Q

Mercury

A

88 days =1 orbit
no moons
much smaller than earth

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15
Q

venus

A

hottest planet
brightest object in the night sky
262 days =1 orbit
no moons

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16
Q

earth

A

3651/4 days =1 orbit
1 moon called lunar
only planet with water/liquid and life
it has oxygen

17
Q

mars

A
often called thw red planet 
rusty planet
2 moons phobos and daimos
320 days =1 orbit 
it also experiences winter and summer 
winter:_82
summer:_5
18
Q

what is a astroid

A

piece of rock that orbits a planet or a star

19
Q

asteroid belt

A

astroids orbiting the sun between mars and jupiter

20
Q

jupiter

A

gas giant (biggest planet)
it is 300×mass of earth
12 years =1 orbit
62 moons