types of stars
a dead super high mass star with so much gravity, light can't escape
black hole
90% of all stars fall here, this is when a star is producing fusion and considered alive
main sequence star
Red is the color of a ____________mass star
low
The brightness of a star seen from Earth is called ___________
apparent brightness
A galaxy is a
Large group of stars, star systems, star clusters, gas and dust pulled together due to gravity
When a red giant collapses and the gases shed off
planetary nebula
A cloud rich with gas and dust where stars form
nebula
Our Sun won't become a black hole because it ____________
Does not have enough mass
The name and the type of our galaxy is __________
Milky Way and it's a spiral
energy released in space that travels in waves
electromagnetic energy
When dust and gas has condensed so that a star is in it's earliest formation
protostar
When a low mass star or medium mass star dies, it is what is left behind..the core of the dead star
white dwarf
The energy released from stars is called ________
fusion
the name of the electromagnetic energy that we can see with our own eyes
visible llght
the brightness of a star as if it where a standard distance from Earth OR the actual brightness of a star
absolute brightness
When a medium mass star swells many times its size
red giant
When a high mass star swells many times its size it becomes a
super red giant
Blue is the color of a _______ mass star
high
what are the first 3 stages of all stars' lives in order?
nebula, protostar, main sequence star
A measurement of distance and how far light travels in one year
light year
After a super nova, this type of star is what is left behind.
neutron star
This is the largest explosion known in the universe and happens when a super red giant explodes
super nova
Yellow is the color of a ________ mass star
Medium
2 hydrogen atoms collide and cause this
fusion
Name the 4 types of galaxies
spiral
elliptical
irregular
quasar