Our Nearest Neighbors

Rockets & Rides

Life Beyond Earth

One Small Step

Space Acronyms

200

This planet is known as the Red Planet due to iron oxide on its surface

What is Mars?

200

This force pushes a rocket upward against gravity during liftoff.

What is thrust?

200

This molecule is considered essential for all known forms of life.

What is water?

200

This astronaut spoke the words “That’s one small step for [a] man” as he became the first human to walk on the Moon.

Who is Neil Armstrong?

200

This U.S. agency put the first humans on the Moon.

What is NASA? (National Aeronautics and Space Administration)

400

This is Earth’s only natural satellite.

What is the Moon?

400

This U.S. rocket carried astronauts to the Moon.

What is Saturn V?

400

This field studies the origin, evolution, and potential existence of life in the universe.

What is astrobiology?

400

This animal became the first living creature to orbit Earth in 1957.

What is Laika?

400

This orbiting laboratory has been continuously inhabited since 2000.

What is the ISS? (International Space Station)

600

This type of planet is similar in size to Earth and may be rocky.

What is a terrestrial planet?

600

This term describes dropping empty stages to improve rocket performance.

What is staging?

600

This region around a star allows liquid water to exist on a planet’s surface.

What is the habitable zone?

600

This Apollo mission was the first to orbit the Moon.

What is Apollo 8?

600

This organization certifies U.S. commercial launches and reentries.

What is the FAA? (Federal Aviation Administration)

800

This icy moon of Jupiter is believed to harbor a subsurface ocean beneath its crust.

What is Europa?

800

This disaster during a ground test killed three astronauts and reshaped spacecraft safety standards.

What is Apollo 1?

800

This equation estimates the number of communicative civilizations in our galaxy.

What is the Drake Equation?

800

This astronaut became the first American to orbit Earth in 1962.

Who is John Glenn?

800

This telescope dramatically expanded our ability to analyze deep space.

What is the James Webb Space Telescope (JWST)?

1000

This exoplanet is tidally locked to its star, potentially creating a “terminator” habitable zone

What is Proxima Centauri b?

1000

This propulsion method accelerates ions using electric fields and is highly efficient but low thrust.

What is ion propulsion?

1000

This planetary factor helps protect surface life from harmful cosmic radiation.

What is a magnetic field? (Magnetosphere)

1000

This first international space station demonstrated long-duration human habitation before the ISS.

What is Mir?

1000

This four-letter acronym describes the region around Earth where gravity dominates orbital motion.

What is SOI? (Sphere of Influence)

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