HW13: Space Review

What is the position of the Earth and the solar system within the Milky Way galaxy?

• At the center of the Milky Way

• In the Andromeda galaxy

• On the outer edge of the Milky Way

• In the middle of the Milky Way

What are some physical properties of an asteroid?

• Composed of ice and dust

• Has a tail when close to the Sun

• Small rocky body orbiting the Sun

• A small piece of rock from space that burns up in the Earth's atmosphere

What is the motion of a comet?

• Moving in a straight line towards the Sun

• Orbiting the Sun in a highly elliptical path so large that it sometimes leaves the solar system

• Orbiting the Sun in a small circular path

Which of the following is a meteoroid?

• A bright streak of light in the sky

• A piece of rock from space that burns up in the Earth's atmosphere

• A small rocky body orbiting the Sun

• A large icy body with a tail when close to the Sun

What are some physical properties of a moon in our solar system?

• Small rocky body orbiting a planet

• Composed of ice and dust

• A small piece of rock from space that burns up in the Earth's atmosphere

• Has a tail when close to the Sun

What is the motion of an asteroid?

• Moving in a straight line towards the Sun

• Moving in a straight line away from the Sun

• Orbiting the Sun in a circular path

• Orbiting the Sun in a highly elliptical path

Which of the following is an asteroid?

• A bright streak of light in the sky

• A small rocky body orbiting the Sun

• A piece of rock from space that burns up in the Earth's atmosphere

• A large icy body with a tail when close to the Sun

What are some physical properties of a comet?

• Composed of ice and dust

• A small piece of rock from space that burns up in the Earth's atmosphere

• Has a tail when close to the Sun

• Small rocky body orbiting the Sun

Which type of galaxy is pictured here?

• irregular

• spiral

• elliptical

• lenticular

Earth's gravity pulls objects towards the ________ of the planet.