Astounding Astronomy Crossword

the scientific study of what is beyond the earth
all existing space, matter and energy
luminous gasses held together by own gravity
a natural satelite
earth is part of the _____ _____
small, rocky celestial objects that are closest to the sun
the sun emits this across most of the EM spectrum
gas charged particles expelled above an active sunspot
caused when the sun is in constant motion and rotating at different speeds
caused by solar particles colliding with matter in the earth's upper atmosphere (this includes oxygen, nitrogen, argon, and carbon dioxide)
approximately 150 million kilometers
the path of celestial objects across the sky
Pluto is a _______ ________
iregularly shaped pieces of metal and rock to small to be planets
flash of light that we see in the night sky when debris burns up and passes through the atmosphere
when the moon is aligned between the earth and the sun
debris from artificial objects orbiting earth
a hot star is this colour
plots absolute magnitude against star surface temperature