What are the changes in the Moon's appearance called?
Phases of the Moon
What are the two types of lunar eclipses?
total, partial
What time of day does a Solar eclipse occur?
Day
How many degrees is the Earth's tilt?
23.5
Which planet is closest to the Sun? Furthest?
Mercury, Neptune
How many Moon phases are there?
8
What are 3 types of solar eclipses?
total, partial, annular
What time of day does a lunar eclipse occur?
night
When it's summer in the northern hemisphere, what season is it in the southern hemisphere?
winter
Which is the largest planet?
Jupiter
What percent of the Moon is illuminated at all times?
50%
When the Moon passes between the Earth and Sun, obscuring the view of the Sun
Full moon
What shape is the Earth's orbit?
ellipse
List the four rocky planets
Mercury, Venus, Earth, Mars
Name the 8 Moon phases in order starting with New Moon
New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, Waning Crescent
What is a lunar eclipse?
When the Earth passes between the Moon and Sun, darkening the Moon
What Moon phase does a Solar eclipse occur?
New Moon
What causes the Earth's seasons?
the Earth revolves around the Sun on a tilted axis
What is the Goldilocks zone?
The area where a planet is in the "just right" or habitable zone
Why don't we ever see the far side of the Moon?
The Moon rotates at the same rate as its orbital motion (synchronous rotation)
What is the definition for eclipse?
The total or partial obscuring of a planet, star, or moon by another celestial body
What is the difference between the umbra and penumbra?
the umbra is the dark part of the shadow whereas the penumbra is the less dark part of the shadow
The Earth's tilt
What was the Kepler mission?
A mission designed to discover Earth size planets in the habitable zone