The Moon
What is the moons radius?
1079.32 miles
What is the definition of Solar?
The Sun
What causes all other objects to revolve around it?
The Sun.
What does the winter solstice mark?
The shortest day of the year?
What is it called when the Sun is blocked by a New Moon?
A solar eclipse.
What effect does the moon have on our oceans?
It causes the tides.
What is the definition of Umbra?
The dark inner circle of the shadow during an eclipse?
What percent mass does the Sun make up?
99.8%
What does the summer solstice mark?
The beginning summer.
How often do we have Lunar Eclipses?
Twice a year.
How many phases of the moon are there?
8
What is the definition of of revolution?
A complete orbit around an object.
What causes day and night?
The Earth rotating and facing or facing away from the Sun.
True or False: The Earth orbits the sun in a perfectly circular path.
False, it is nearly circular
How often do we experience Solar Eclipses per year?
2 to 5
What is it called when the moon falls into the Earth's shadow?
A lunar eclipse.
What is the definition of phase?
Change in a cycle that repeats once a month.
How far away is the Sun?
93,000,000 miles
How long is a year on Earth?
365 days 5 hours 48 minutes and 46 seconds.
Explain the order and position of the Earth, Moon and Sun during a Solar eclipse.
Sun Moon Earth
On average, how far away is the moon?
251966.02
What is the definition of axis?
An imaginary line that passes through the North and South poles.
Does the Sun have an effect on the tides?
Yes, but smaller than the effects of the Moon.
Why do we have a leap year?
To help align our calendars.
Explain the order and position of the Earth, Moon and Sun during a Lunar Eclipse.
Sun Earth Moon