What does CME stand for?
|A)||Coronal Materials Ejections|
|B)||Central Mass Ejections|
|C)||Coronal Mass Ejections|
|D)||Coronal Mass Emissions|
The Moon orbits Earth and Earth orbits the Sun. What does the Sun orbit?
|A)||It doesn't orbit.|
|C)||the solar system|
|D)||the Milky Way|
The North Star,___________, is positioned almost directly over the North Pole.
A binary system is composed of ___________ stars.
Why are circumpolar constellations visible all year long?
|A)||because they are the brightest stars|
|B)||All constellations are visible all year long.|
|C)||because they are the closest|
|D)||because they are located directly above the North Pole|
When a star becomes a supernova its brightness __________.
What holds planets, stars, gas, and dust together in a galaxy?
Particles that escape from the sun's __________ move through space as solar wind.
Astronomers use a star's __________ to determine how far it is from Earth.
The __________ __________of a star is a measure of the amount of light it gives off.
The __________ __________ is a measure of the amount of light received on earth.
Another way to define "nebula" is __________.
Prominence, or huge arching columns of gas, are thought to be caused by__________.
|A)||the Sun's rotation|
|B)||the rotation of the galaxy|
|C)||the magnetic field associated with sunspots|
|D)||Earth's magnetic field|
Our sun is considered a star of__________ temperature.
Which, if any, of the three types of galaxies occur the most often?
|C)||They occur in equal amounts.|
Circumpolar constellations __________.
|A)||are located in a circular constellation.|
|B)||appear to circle around the North Star as the Earth rotates.|
|C)||are always located above the North Pole.|
|D)||never appear around the North Pole.|
When stars are located closer to one another, their attraction to one another increases due to __________.
Fusion occurs when __________ and __________ combine to make energy.
When fusion occurs, the mass lost is converted into __________.
__________ is the process that creates energy in the sun.