< Physics and Astronomy Labs

group 1 astronomy

1 Which portion of the HR diagram has stars with the greatest luminosity?

top side
upper right corner
lower left corner
left side
upper left corner

2 What is the solar system?

Stars
Planets and the object that orbit the planets
Sun and the objects that orbit the Sun
None of the above

3 What is the fourth planet in the solar system?

Earth
Mars
Jupiter
Mercury

4 How many Moons could be stacked from the horizon to the zenith (the point directly overhead)?

29.5
45
90
31.5
180

5 Earth is a gas planet.

True
False

6 How many planets are in our Solar system?

3
5
8
9

7 What planet was known as Planet "X"?

Earth
Jupiter
Pluto
Neptune

8 Which is closest to the number of Earth days equal Pluto's rotational period?

6,000
600
6
60

astro 2

1 How many planets are considered to be inner planets?

4
1
5
7

2 Why are the outer planets solid instead of gas? NEEDS WORK TOO EASY

they are closer to the Sun
cooler temperature because of farther distance from Sun
they are smaller
they are colorful

3 When can Mercury not appear in Earth's Sky?

The morning
The afternoon
Middle of the night
The evening

4 Mercury's core consists of what element that's more abundant than in any other planet?

Iron
Magnesium
Copper
Sodium

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