6 E 1.3 Space Exploration

The natural satellite of Earth is

• Sun

• Moon

• Mars

• Jupiter

What was special about the Apollo missions?

• The program formed the International Space Station

• It was the first U.S. program

• It sent humans to another space body

• It allowed teachers to fly on board

Which of these projects will best prepare astronauts to travel further into space?

• International Space Station

• The Hubble Space Telescope

• The Chandra X-ray Observatory

• The Explorer 6 satellite

Which is the best way to find if there is water of the surface of other planets?

• observe the surface colors of the planet

• study the moons of other planets

• study meteorites of other planets

• send a space probe to study the surface of other planets

The difference between early spacecrafts and the space shuttle is....

• only the space shuttle could be used for more than one flight

• only the space shuttle could carry human astronauts

• only the space shuttle could travel outside the solar syster

• only the space shuttle could go to Jupiter

Which discovers result from studies on the ISS?

• new uses for radio waves

• effects on the human body while living in space

• new uses for microwaves

• understanding changing weather patterns

Why is exploring other galaxies difficult?

• Scientists are unsure of there locations

• They would take thousands of years to reach

• Spacecrafts would collapse under the air pressure

• Instruments would not function because of the low temperature.

Which is true about space probes used to explore the Milky way Galaxy?

• They are unmanned and have traveled past Neptune

• They are manned and have traveled past Neptune

• They are space stations that scientist live on

• They are satellites that orbit Earth and take pictures of other planets

What have scientists learned since using the Hubble Telescope?

• Milky Way is the largest galaxy in the universe

• The universe has millions of galaxies that each have solar systems

• There are very few galaxies other than our own

• There are millions of galaxies in the universe, but none contain a solar system