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Which planet, when viewed through a telescope, appears as a reddish ball interrupted by some permanent dark regions that change intensity?
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
Which of the following planets is the smallest?
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
What effect do solar flares have on Earth?
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
All stars, regardless of size, eventually
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
What characteristic distinguished Neptune from the other planets?
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
Why isn't Pluto considered a planet?
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
Our galaxy is called
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
A comet's tail always points
run out of fuel and collapse
Neptune is extremely windy
Mercury
Mars
auroras
milky way
Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
away from the sun
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