Light from the Sun reaches Earth in around ________ minutes.
8 minutes.
200
What are younger stars called?
Yellow or Red dwarfs
200
What is a nebula?
Clouds of dust around the galaxy.
200
How old is the universe?
Estimated 13.7 billion years old
200
What life cycle is the sun in right now?
Main Sequence
200
What planet is the largest?
Jupiter
300
What color stars are the hottest?
Blue Stars
300
What is the first phase of a star?
Protostar
300
"A faint band of light crossing the night sky, made up of vast numbers of faint stars forming the bulk of the galaxy of which our solar"...what is this called?
Milky Way
300
True or False? Is the sun magnetic?
True.
300
What is the measure of star's brightness?
Magnitude
400
Where does the energy from stars come from?
Nuclear Fusion
400
What is a Black Whole?
When the star dies out
400
How does gravity affect stars?
It keeps the stars in our galaxies
400
What occurs when the Moon is between the Sun and the Eart?
Solar Eclipse
400
What is the second most common element in a star?
Helium
500
What two elements combine for nuclear fusion?
Hydrogen and Helium
500
Name the Life Cycle of a star in order from birth to death
1. Protostar, 2. Main Sequence, 3. Red Giant/Supergiant, 4. White Dwarf, 5. Black Hole/Nova
500
What are the main types of galaxies?
Spiral, Irregular, Elliptical
500
Around 74% of the Sun’s mass is made up of what?