inner plannets
cause of less erosion on moon
lack of wind water and atmosphere
jupiters mass is how many times bigger then all of the other planets
twice than all other planets combined
who is Edwin Hubble
American Astronomer who played a cruical role in making the fields of extragalactic astronomy
How much energy from the sun reaches the Earth's surface
50-70%
what is the most common kind of stars in the universe
red dwarf stars
where are most asteroids found
most asteroids found between the orbits of mars and jupiter
jupiters largest moon
ganymede
What is a spiral galaxy
a galaxy in which the stars and gas in one or more spiral arms
how many earths can fit inside the sun
1.3 million earths
what is a nebula
swirling clouds of hydrogen gas which stars are born
ice is found where on mercury
deep craters of mercury
saturns rings are made of
ice
what is a elliptical galaxy
a more three dimensional galaxy without much structure
where does the light we see from the sun come from
the photosphere
what is the life span of a yellow dwarf star
ten billion years
volcanic activty on venus cause
craters
william Herschel thought he found a Comet when he found what
green disk of uranus
what is the shape of a irregular galaxy
irregular galaxies have no particular shape
which planets density is most closest to the sun
jupiter
what state is a main sequence star in
hydrostatic eqillibrium
main atmosphhere composition of venus is
carbon dioxide
uranus solar day length
42 years
what is a way for a irregular galaxy to be created
irregular galaxies may be caused when two galaxies collide
what is the only color you seen see during a eclipse
the chromospheres rosy red
what type of dwarf star is the sun
a yellow dwarf star