Studied by 3 people
Which stars live for the longest as main sequence stars: sun like stars or massive stars
sun like stars
what is the name of the point of infinite density and heat from which the universe first began
singularity
does the universe have a center
no
what scientist discovered what elements the sun was made out of
Cecillia Gaposchkin
did the universe used to be hot or cold
hot
how do we know that the universe used to be hot?
cosmic microwave background radiation
what scientist found proof that the universe is expanding?
Edwin Hubble
After the universe started with the Big bang what happend to the size of the universe?
expanded
After the universe started with the Big bang what happend to the tempeture of the universe?
decreased
are there other stars in our galaxy
yes
are there other solar systems in our galaxy
yes
is our galaxy the only thing in space
no, our galaxy other known as the milkyway is not the only thing in space.
3 part defintion of a planet
is spherical
clears the neighborhood around its orbit
orbits the sun
other name for terrestrial planets
rocky planets
other name for jovian planets
gas giants
members of terrestrial
earth
mars
mercury
venus
members of jovian
jupiter
saturn
uranus
neptune
size of terrestrial planets
smaller
size of jovian planets
bigger
distance from sun terrestrial
closer
distance from the sun jovain
farther
what is terrestrial made of
rocky metal
what is jovian made of
hydrogen helium
density of terrestrial
higher
density of jovian
less
galatic adress
earth, solar system, orion arm, milky way, localgroup, virgo supercluster, lanlaked supercluster, universe
what will the sun become in 4.5 billion years from now
a white dwarf
what is the name of the boundry around the black hole
event horizon
how old is the solar system
4.6 billion years
what is 3-5 times more massive then the sun
neutron star
what is 4-20 times the size of the sun
black hole
Note 
Flashcard (123)