HISTORY
This NASA program successfully landed humans on the Moon six times between 1969 and 1972.
What is the Apollo Program?
NASA's twin probes launched in 1977, both now in interstellar space — the most distant human-made objects.
What are Voyager 1 and Voyager 2?
This Mars rover, active since 2012, used a 'sky crane' landing system and discovered ancient lake environments
What is Curiosity?
The largest planet in our solar system, it has 95 known moons as of 2024.
What is Jupiter?
This famous quote — 'That's one small step for man, one giant leap for mankind' — was spoken during this Apollo mission.
What is Apollo 11?
This Soviet cosmonaut became the first human in space on April 12, 1961.
Who is Yuri Gagarin?
This 1969 mission made history as the first crewed lunar landing.
What is Apollo 11?
Launched in 1990, this space telescope revolutionized astronomy despite an early mirror flaw.
What is the Hubble Space Telescope?
This is the only moon in our solar system known to have a dense atmosphere and liquid lakes on its surface.
What is Titan?
A neutron star is so dense that a teaspoon of its material would weigh approximately this many tons.
What is about 1 billion tons?
She was the first American woman in space, flying aboard STS-7 in June 1983.
Who is Sally Ride?
The first human spaceflight program in the United States, it launched single astronauts in capsules.
What is Project Mercury?
NASA's New Horizons probe made the first flyby of this dwarf planet in July 2015.
What is Pluto?
Mars has two tiny moons — Deimos and this one, named after the Greek god of fear.
What is Phobos?
This phenomenon occurs when a massive star's gravity becomes so strong that not even light can escape.
What is a black hole?
This astronaut piloted the Apollo 11 Command Module, orbiting the Moon while Armstrong and Aldrin walked on the surface.
Who is Michael Collins?
This ill-fated 1986 Space Shuttle mission broke apart 73 seconds after launch, killing all 7 crew members.
What is Challenger (STS-51-L)?
CLOSEST TO THE SUN
WHAT IS PARKER SOLAR PROBE?
This planet rotates on its side with an axial tilt of about 98 degrees.
What is Uranus?
The speed of light in a vacuum is approximately this many miles per second.
What is 186,000 miles per second?
The first person to walk in space was this Soviet cosmonaut in 1965.
Who is Alexei Leonov?
This joint U.S.-Russian mission in 1975 was the first international human spaceflight, symbolizing détente.
What is the Apollo-Soyuz Test Project?
This ESA probe landed on Comet 67P in 2014 — the first soft landing on a comet in history.
What is Philae (part of the Rosetta mission)?
Known as the 'Great Dark Spot,' this giant storm was observed on this planet by Voyager 2 in 1989.
What is Neptune?
This astronaut holds the U.S. record for most cumulative days in space, spending over 520 days across multiple missions.
Who is Peggy Whitson?