Vastness of Outer Space

What is the estimate of how many galaxies in all of space?

• One Hundred

• One Thousand

• One Million

• One Hundred Billion

How do we know about objects in space

• Scientist and Engineers

• Books

• Maps

• None of the above

Is a collection of stars and their solar systems, dust and gas called a galaxy?

• True

• False

What is the Milky Way?

• A large spiral shaped galaxy that is apart of the solar system

• a type of candy bar

• A space craft

• an instrument to view faraway objects

A probe is an instrument that shows faraway objects in greater detail.

• True

• False

Probes, rovers, satellites, and telescopes are considered spacecrafts.

• True

• False

All spacecrafts require an human to be onboard

• True

• False

Who was the first American to travel to space?

• Alan Shepard

• Jack Danielson

• Amy Washington

• Alex Shaver

When did the first American travel to space?

• June 20, 1962

• May 6, 1971

• May 5, 1961

• April 2, 1984

Finish this sentence. The Milky Way galaxy is one galaxy in a very vast __________________

• planet

• solar system

• universe

• space