What phase of the Moon occurs when the moon is between the earth and sun
New Moon
Gravity
What are the 4 rocky planet of our solar system?
Mercury, Venus, Earth, Mars
What process powers stars?
Nuclear Fusion
What is located on the x-axis of a HR diagram?
Temp
What causes the seasons of the earth?
tilt of the earth
What two factors affect the strength of gravity?
Mass and Distance
What unit is used to measure distance in solar systems?
AU - Astronomical Unit / Light year
What can form after a supernova?
Neutron Star or Black Hole
What is located on the y-axis of a HR diagram?
Brightness / Luminosity
Why don't eclipses occur every month?
Moons shadow is not cast on the earth in the correct location
Why do planets closer to the sun move faster than those farther away?
Stronger gravity / Smaller orbit
Where are most asteroids in the solar system located?
Asteroid Belt
What is the next stage for our Sun after the main sequence?
Red Giant
Where are cool, dim stars located on the HR diagram?
Lower Right
What phase of the moon is required to see a lunar eclipse
Full Moon
What factors make planets orbit?
Gravity and speed
What causes a comet to develop a glowing tail?
Heat from the sun / Vaporization of solids to gas
What is the remnant of a small to medium star after a collapse?
White Dwarf
What type of stars are located in the upper left of the HR diagram?
Hot and Bright
What is the cause of the tides on earth?
Moon and sun gravitational pull
Why don't we feel the gravitational pull of distant stars?
Too large of distance away
What are the gas giants of our solar system?
Jupiter, Saturn, Uranus, and Neptune
What causes a supernova to happen?
collapse of a MASSIVE star
What factors determine a stars position on the HR diagram?
Temp and brightness