What is a massive celestial object made of plasma?
Stars
What is a huge celestial body made mostly of hydrogen and helium?
A star
What indicates the surface temperature of a star?
Color
The celestial body is twinkling. What is this?
Star
What is the sun?
an average size star.
What is considered a "normal star" ?
Main sequence stars
Why do stars shine?
Because they are extremely hot
What indicates how massive a star is?
Size
This celestial body is orbiting the sun. What is this?
Planet
the larger the star the ........
shorter the life span
What is a large, bright, red star?
Red Giant
The sun
What is the brightness of a star called?
Luminosity
This is changing color. What is this celestial body?
Star
the smaller the star......
the longer the life span
What is the largest known type of star?
A supergiant
Stars eventually die once they get old, does this mean they are alive?
No because stars do not have souls or a heart so they are not living
What indicates how hot the stellar core gets in response to gravitational contraction?
Mass
what is the sun?
a star
the galaxy orbits what?
a black hole
What is a very small, dense hot star?
A white dwarf
Are stars or asteroids closer to earth?
Asteroids
What puts a star on the spectrum?
Composition
color tells the temperature of what?
a star
stars are ranked on what system?
The HR diagram