Test your knowledge with these top questions!
Physicists used the Hubble Space Telescope to discover what phenomenon expanding the universe?
By observing distant supernovae in 1998, astronomers found the universe's expansion is accelerating, driven by this mysterious, unseen force.
Which three astronauts crewed the Apollo 11 Moon landing mission?
Armstrong, Aldrin and Collins launched July 16 1969 and landed July 20.
Which 1975 mission docked American astronauts with Soviet cosmonauts?
Apollo-Soyuz docked in July 1975 as the first joint crewed flight and a detente symbol.
The Hubble Space Telescope focuses incoming light energy to capture clear cosmic images using what?
As a Cassegrain reflector, it utilizes a massive primary mirror and a smaller secondary mirror to fold the light path and sharply focus images.
Which Skylab mission set a NASA record with an 84-day flight ending in 1974?
Skylab 4 launched in November 1973 and spent 84 days in orbit as a NASA duration record.
The Hubble Space Telescope gathers energy to run its scientific instruments using what mechanism?
The Hubble Space Telescope uses two large, wing-like solar arrays to convert sunlight directly into roughly 5,500 watts of electrical power.
The Hubble Space Telescope stores solar energy for the shaded part of its orbit using what items?
It relies on six durable nickel-hydrogen batteries, which hold enough charge to power the observatory when Earth blocks its view of the sun.
Which Apollo mission first used a rover-mounted TV camera to broadcast lunar exploration?
Apollo 15 carried the first Lunar Roving Vehicle with a TV camera for extended lunar broadcasts.
Which Mattel astronaut toy line surged in sales after the Apollo 11 Moon landing?
Mattel introduced Major Matt Mason in 1966 and lunar playsets peaked after Apollo 11 in July 1969.
Which Apollo mission first carried astronauts into orbit around the Moon in 1968?
Apollo 8 became the first crewed mission to orbit the Moon with ten orbits in December 1968.