Objects in Space

Which object has a tail?

• asteroid

• meteoroid

• meteorite

• comet

Which object is commonly referred to as "shooting star"?

• comet

• meteor

• meteorite

• asteroid

A planet has no atmosphere. Which of these would be the least likely to be seen from this planet’s surface at night?

• a meteor

• a meteorite

• a comet

• a meteoroid

What features do asteroids and meteoroids share?

• They orbit planets

• They are made of rock

• They have moons

• They are frozen balls of ice

Which of these planets has more than one moon?

• Mercury

• Venus

• Earth

• Mars

Our galaxy is called the

• Earth Nebula

• The Hubble Galaxy

• The Milky Way

• The Snickers

When comets come close to the Sun, they develop a tail that glows so we can see it from Earth. Asteroids do not develop tails like this. In what other way are asteroids different from comets?

• Asteroids orbit planets while comets orbit the Sun

• Asteroids are rocky while comets are balls of ice and dust

• Asteroids orbit outside of the Solar System while comets do not

• Asteroids are smooth and round while comets are lumpy shapes

What is found between the inner planets and the outer planets?

• asteroids

• comets

• air

• moons

Why can we see the moon at night?

• It burns hot gases like a star

• The moon reflects light from the Earth

• The moon reflects the light from the Sun

• The moon blocks the light from the Sun causing it to glow

Comets and asteroids both crash into planets or their moons sometimes. In what other ways are comets and asteroids similar?

• They both have a smooth, round shape

• They are both found in orbit around the Sun

• They both develop glowing tails near the Sun

• They are both made of ice and rock particles