The Moon
The object from which the moon reflects light.
What is the sun?
Our solar system has this kind of star.
What is a main-sequence star?
The Milky Way Galaxy is this type of Galaxy.
What is a spiral galaxy?
This is often the largest space rock found in our solar system.
What is an asteroid?
Seasons are caused by these 2 phenomena.
What are the Earth's tilt and its orbit around the Sun.
We see half of the moon illuminated during this phase.
What is a full moon.
This is the brightness of a star as seen from Earth.
What is apparent magnitude?
This type of galaxy consists mainly of older, redder stars, and little gas or dust.
What is an elliptical galaxy?
This type of space rock adopts this name when it reaches the Earth's surface.
What is a meteorite?
This term marks the beginning of summer or winter and notes when the Sun reaches its highest or lowest point in the sky relative to Earth.
What is the solstice?
The moon is in the shadow of the Sun during this phase.
What is a new moon?
This is the measurement of a star's true brightness.
What is absolute magnitude?
Our solar system is located in this part of the Milky Way Galaxy.
What is the Orion Arm?
This type of space rock is large, icy, and often has a large elliptical orbit that takes it outside of our solar system.
What is a comet?
This term marks the beginning of spring or fall when the day and the night are of equal length.
What is the equinox?
This amount of the moon is always illuminated by the sun.
What is half of the moon?
This star has the brightest apparent magnitude in our sky.
What is the Sun?
These types of galaxies have very little dust, are neither disk-like nor elliptical.
What is an irregular galaxy?
This type of space rock can range from the size of a grain of sand to the size of a boulder.
What is a meteoroid?
What is summer?
The moon takes about this many days to complete its phases.
What is about 29 days?
What is a white dwarf?
This notable NASA telescope has made more the 1 million observations since its mission began in 1990.
What is the Hubble Space Telescope?
Leftover debris from this type of space rock causes meteor showers as the Earth orbits the Sun.
What is a comet?
What "major" constellation can be seen all year in the Northern Hemisphere?
What is Ursa Major (Big Dipper)?