Astronomy 6 Flashcards

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1
Q

Where is out solar system?

A

Milky way

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2
Q

What is the equation of weight?

A

weight (Newtons) = mass (kg) x gravitational field strength

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3
Q

Weight loc

measured in

A

1

newton

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4
Q

Gravitational field symbol

A

stag

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5
Q

What is a galaxy?

loc

A

A large collection of billions of stars

2

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6
Q

Solar system loc

A

1

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7
Q

What is the universe?

loc

A

A large collection of billions of galaxies

3

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8
Q

universe symbol

A

mr incredible

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9
Q

Sun location

A

1

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10
Q

moon loc

A

2

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11
Q

What is the gravitational field strength on the moon

A

Moon - 1.6N/Kg

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12
Q

List of planets

A

Mercury, venus, earth mars, Jupiter, Saturn uranus

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13
Q

how far away is the sun

A

93bn miles

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14
Q

Moon luminous or non?

A

Non luminous

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15
Q

Why we see them

A

reflect light from the sun

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16
Q

how many moons does mars have

A

2 moons

17
Q

How long for the moon to orbit earth

A

29.5 days

18
Q

Planet loc

A

4

19
Q

comets loc

A

5

20
Q

asteroid loc

A

6

21
Q

satellite loc

A

7

22
Q

How do you calculate the speed of a satellite?

A

speed = distance / time

distance travelled = 2 x pie x radius of orbit

23
Q

What is the orbits of comets like?

A

Elliptical