Earth
The Earth does this once every 24 hours
Rotates once on its axis, Day and night
This is the reason for Earth's seasons
Earth's tilt
Contrary to the myth, the Moon is actually made mostly of this
Rock
During this phase the Moon appears totally lit
Full moon
The number of Earths that could fit in the space occupied by the Sun
One million
The length of time it takes for the Earth to revolve once around the Sun
365.25 days (one year)
When the North Pole points away from the Sun, it is this season in Australia
Summer
The first person to walk on the Moon
Neil Armstrong
Moon phase where no reflected light is visible from Earth
New moon
Light from the Sun takes about this long to reach Earth
The Earth tilts this much on its axis, which causes the different seasons
23.5 degrees
It takes this long for the Moon to rotate once on its axis
29 days
Moon phases in which the light reflected by the Moon decreases over time
Waning
The Sun is mainly composed of this
Hot gases
The Earth's atmosphere is made up mostly of this
Nitrogen
No direct sunlight shines on the North Pole for almost eleven weeks during this season in the Northern Hemisphere
Winter
Because of its thin atmosphere, the Moon has many more of these than does Earth
Craters
The phase where the right side of the Moon appears half lit
First quarter
The Sun is this type of star
Yellow dwarf
Spring Tides happen on Earth when all of these are aligned
Earth, Moon, and Sun
During these seasons on Earth, most places have about the same amount of daylight and darkness
Spring and fall
An astronaut on the Moon only weighs this much compared to on the Earth
1/6
The phase of the moon between full and last quarter
Waning gibbous
The process that converts Hydrogen to Helium on the Sun
Nuclear fusion