Objects made of ice, gas and dust and orbit our sun are called . . .
meteors
comets
asteroids
meteoroids
One similarity between asteroids, comets and meteoroids is that they all:
are made of rock
come from the Oort Cloud
come from the asteroid belt
orbit the sun
These objects that orbit the sun are nicknamed, "dirty snowballs."
Which space object is larger?
asteroid
meteorite
meteor
Where is the asteroid belt located?
between Mars and Jupiter
between Venus and Earth
between Uranus and Neptune
Halley's Comet takes about 76 Earth years to orbit the sun. What type of comet is this?
short-period comet
long-period comet
Where do comets come from?
Kuiper Belt
Oort Cloud
Asteroid Belt
Both A and B
None of the above
The name of our galaxy is the Milky Way.
The ion tail of a comet is what color?
white
red
gray
bluish
What are asteroids made of?
rock and metal
ice, gas and dust
rock and gas
What region is located at the outer boundary of our solar system?
Pluto Region
What do you call a meteoroid that has entered Earth's atmosphere?
comet
Black holes are invisible.
The orbit of a comet is circular.
The ion tail of a comet always points directly towards away from( towards, away from ) the sun.
The special boundary around a black hole, where not even light can escape, is called the . . .
singularity
event horizon
Black holes are formed . . .
when planets crash into one another
when aliens flush the space toilet
when giant stars explode at the end of their lifecycle.
when an asteroid hits a planet
Shooting stars are the result of . . .
a comet losing some of its tail as it passes the sun.
hundreds of meteoroids entering Earth's atmosphere at the same time.
Earth passing through the tail of a comet.
What causes things to get pulled into a black hole?
super strong gravity
solar wind
melting ice from the Oort Cloud
none of the above
What rocky object is bigger than a meteoroid and smaller than a planet?
