Characteristics
The Moon
Stars
The Sun
Misc
100

What is the 6th planet from the Sun?

Saturn

100

When the light is on the right of the moon, is it waxing or waning? 

Waxing

100

What do stars start off as in the life cycle? 

Stellar Nebula

100

What is the outermost layer of the sun? Is it visible?

The corona, no

100

What type of electromagnetic waves detect heat?

Infrared 

200

An orbit with this eccentricity value is a perfect circle.

0

200

What phase is the moon in during a lunar eclipse? 

Full moon
200

How long a star lives depends on...

Mass

200

What stage of life is the sun in? 

Main sequence

200

This happens when neither hemisphere is tilted strongly toward or away from the Sun, resulting in nearly equal day and night lengths.

Fall and spring

300

What is Newton's 3rd Law? 

Every action has an equal and opposite reaction

300

Why doesn't air resistance exist on the moon?

The moon has no atmosphere

300

On the HR diagram, hotter main-sequence stars are found on this side.

The left side

300

How are planets able to stay in orbit?

Gravity

300

How do you calculate eccentricity?

Distance between the foci divided by distance between the major axis 
400

When would the Sun's gravity be strongest in Earth's orbit?

When it is closest to the sun (perihelion)

400

When the sun and earth are lined up, but the moon is at a 90 degree angle, what kind of tide is this? 

Neap tide

400

Betelgeuse is an example of this type of star.

What is a supergiant?

400

What is the primary energy source for the sun?

Nuclear Fusion

400

What are equinoxes? 

Nearly equal day and night length, and the start of spring and fall

500

What is eccentricity?

measure of how circular or flat a planet's orbit is around the Sun

500

How was the moon formed?

Double points if you can state the name of the theory.

a Mars-sized object collided with Earth

500

How does a neutron star form? 

A neutron star forms from protons and neutrons combining 

500

What are solar flares? 

Solar flares are sudden, intense bursts of energy released from the Sun’s surface

500

How long does it take the moon to get from first quarter to third quarter? 

15 days