planets
which planets ae gas planets
jupiter, saturn, uranus, neptune,
what is a comet often called
dirty snowball
what is magnitude known as
the brightness of a star
what galaxy are we in
the milky way
how many moon phases are there
8
mercury, Venus, Earth and Mars
whats the difference between meteor and meteorite
a meteor enters Earth's atmosphere, and a meteorite strikes Earth's surface.
what colour are the brightest stars
red on the right and blue on the left
what are irregular galaxy's
galaxy's with an irregular shape
what is an object called that orbits a planet
statellite
how many AU's is Neptune from the sun
30.0 AU
what year have astronomers been recording the appearance of comets
2000 BCE
how is a star born
from dust and gases from a collapsing nebula
why did our galaxy get its name
the stars are blured together and look like spilled milk
how many people have walked on the moon
12
since what year has Jupiter been seen through telescopes
1600s
comets and _______ orbit the sun just like planets
asteroids
what is a super nova
a super nova occurs when a high mass star explodes
how many LY is the milky way
100 000LY
how long to astronauts foot prints last on the moon
as long as a million years
what planet has the mass of 15
Uranus
how many km above earth can you meteors
80-120km
what is the suns life span
10 billion years
what happens to a star when it goes into a black hole
all the atoms in the star collapse
what are all the moon phases
first quarter, waxing cresent, new, waning cresant, last quarter, waning gibbous, full, waxing gibbous