Show:
Life Cycle
P or C
Stars
Earth, moon, and men
Grab Bag
100
A cloud of gas and dust where new stars are formed
What is a nebula?
100
The outermost layer of the sun.
What is the corona?
100
A star's brightness.
What is magnitude?
100
The earth casts a shadow on the moon.
What is a lunar eclipse?
100
A huge system of stars, gas, and dust held together by gravity.
What is a galaxy?
200
The life cycle our sun is in now.
What is main sequence?
200
The stage of life of a star where gases are pulled together and temperatures rise until fusion begins.
What is a protostar?
200
The hottest stars.
What is a blue star?
200
The moon blocks the sun.
What is a solar eclipse?
200
A massive star in its second to last stage of life hurls matter into space in a gigantic explosion.
What is a supernova?
300
The stage in the life cycle after the main sequence.
What is a red giant?
300
Loops and fountains of blazing gases that leap out of the sun.
What are prominences?
300
The nuclear reaction inside stars.
What is fusion?
300
He discovered sun spots and the sun is a sphere and rotates.
Who is Galileo?
300
Elliptical, spiral, and irregular.
What are different shapes of galaxies?
400
The last stage in a medium star's life.
What is a white dwarf?
400
The middle layer of the sun.
What is the chromosphere?
400
Two stars held together by gravity.
What is a binary star?
400
He created the first reflecting telescope.
Who is Newton?
400
The two gases involved in fusion in a star.
What are helium and hydrogen?
500
The fourth stage in the life cycle of a medium sized star.
What is a planetary nebula?
500
The innermost layer of the sun.
What is the photosphere?
500
Areas of the sun that are cooler than the surrounding area.
What are sun spots?
500
Galileo's theory that the planets revolve around the sun.
What is heliocentric?
500
A star that does not have enough energy for fusion to begin. A failed star.
What is a brown dwarf?