Space and Space Exploration

What living organisms have been used to test rockets?

Which man and rocket were the first to orbit around the Earth?

A large rocky object that is 250km wide and located far away from the Sun is most likely a/an:

This is often called Earth's sister planet because it has many of the same physical properties.

How is the size of the Sun related to the orbiting motion of planets in our solar system?

"Found mostly in the region between Mars and Jupiter" best describes:

Which conclusion can be made about the ability of humans to breath Martian air?

Which of the following represents characteristics of the four planets closest to the Sun?

Which planet is known for its bright rings that circle around it?

The Sputnik was what type of spacecraft Russia launched in 1957.

Made mostly of ice best describes this:

Which of the following represents  characteristics of the four planets farthest from the Sun?

What is the name of the mission that is currently exploring Mercury?

To which of the following places would we most likely send a probe?

Who were the first two men to walk on the moon?

Which of the statements best summarizes why Mercury is the least explored planet?

A telescope, invented by scientist Galileo in 1609, allows scientists to do what?

Which of the outer planets has around 63 moons, the most in the Solar System?

What causes constellations to appear in a summer sky and disappear from the winter sky?

A small rocky object that looks like a falling star is usually harmless. Why?

Most of the planets rotate counterclockwise, which planet rotates on its side?

Which of the following statements describes a property of Earth, but NOT Mars?

Which other planets also have rings that circle around it?

Which two countries were involved in the "Space Race"?

Solids that range in size from dust to small rocks & usually burn up in Earth's atmosphere:

What does it mean to have a "scaled" model for planet sizes and shapes.

According to the table why does Mercury take the least amount of time to revolve around the Sun

Which statement accurately describes the movement of objects in our solar system?

According to the table below, why does it take Neptune so long to revolve around the sun?

What invisible universal force did Sir Isaac Newton proposed controlled the Solar System?