1. 1956
   1960
2. 1965
   1969

While Eisenhower approved the United States' first space missions, it was John F. Kennedy who challenged the nation to send a man to the moon before the end of the 1960s. One of his quotes was "We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."

1. Largest
   Smallest
2. 3rd Smallest
   5th largest

The moon is called the moon because at the time it was discovered humans didn't know that other planets had moons. In 1610, Galileo Galilei discovered four of Jupiter's moons.

1. Volcanoes
   Clouds
2. Tides
   Traffic

The moon moderates Earth's wobble on its axis. This results in a relatively stable climate.

1. 170,252 miles
   241,976 miles
2. 500,000 miles
   1,245,246 miles

The moon has a radius of 1,079.6 miles. It is also moving away from Earth about an inch per year.

1. 7 Earth days
   14 Earth days
2. 27 Earth days
   60 Earth days

Even though the moon makes a complete orbit around Earth every 27 days, it appears to orbit the Earth every 29 days. The discrepancy is a result of the Earth rotating on its axis and orbiting around the sun at the same time as the moon moves.

1. Maria
   Highlands
2. Oceans
   Rivers

Maria are basins that were filled with lava billions of years ago. The different areas of the moon are composed of various rocks that differ in age and composition.

1. 50 degrees
   100 degrees
2. 200 degrees
   260 degrees Fahrenheit

The moon's atmosphere is so thin that it doesn't provide much protection from the sun. However, when the moon is in darkness, the temperature drops to -280 degrees Fahrenheit.

1. Soviet Union
   United States
2. China
   India

Luna consisted of 17 robotic missions. It included the first look of the far side of the moon. The program lasted from 1956 to 1976.

1. Lunar Orbiter 1
   Voyager I
2. Spirit
   Opportunity

Lunar Orbiter 1 gave humans the first view of Earth from the Moon. It launched on August 10, 1966. the mission lasted 80 days, ending on October 29, 1966.

1. 2
   6
2. 10
   12

On July 20, 1969, Neil Armstrong and Buzz Aldrin became the first men to walk on the moon. The Apollo program ended in 1972.

1. Atlantic
   Pacific
2. Indian
   Arctic

On July 24, 1969, Apollo 11 returned to Earth. The three men inside the command module were Neil Armstrong, Buzz Aldrin and Michael Collins.

1. 3
   5
2. 9
   11

Of the 11 manned Apollo missions, six landed on the moon. On Dec. 11, 1972, the last manned moon landing took place.

1. Snoopy
   Intrepid
2. Falcon
   Eagle

On July 21, 1969, Neil Armstrong stepped on the moon's surface at 10:56:15 pm EDT. Buzz Aldrin left Eagle 19 minutes later.

1. Challenger
   Atlantis
2. Saturn V
   Discovery

Saturn V was used to launch Apollo missions and the Skylab space station. The version used on the Apollo missions had three stages. The third stage pushed the spacecraft toward the moon.

1. Sea of Tranquility
   Sea of Knowledge
2. Sea of Showers
   Sea of Serenity

The Sea of Tranquility was one of 30 sites NASA considered.When deciding where to land on the moon, NASA took smoothness, slope, the amount of propellant required, and how they would approach the site into consideration.

1. Apollo 1
   Apollo 17
2. Apollo 20
   Apollo 25

On Dec. 7, 1972, Apollo 17 became the last manned space mission to the moon. Harrison "Jack" Schmitt, Ron Evans and Eugene Cernan were the three men on board the spacecraft.

1. Apollo 1
   Apollo 6
2. Apollo 11
   Apollo 13

John Swigert, Fred Haise and James Lovell flew on Apollo 13. The mission was supposed to explore the Fra Mauro area, but an explosion changed NASA's plans. The landing site was reassigned to Apollo 14.

1. United States
   Soviet Union
2. China
   India

The two Russian rovers were called Lunokhod 1 and Lunokhod 2. The Chinese lunar rover is called Yutu.

1. When the dark side of the moon becomes visible
   When the Sun passes between the Earth and the Moon
2. When the Earth passes between the Sun and the Moon
   When the moon passes between the Sun and the Earth

A specific geographical location experiences a lunar eclipse approximately every 2.3 years. The same location will experience a lunar eclipse once every 375 years.

1. New Moon
   Crescent
2. Mature Moon
   Last Quarter

The lunar phases are new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter and waning crescent. The third quarter is also called the last quarter moon.

1. It's a wayward planet that got sucked into Earth's atmosphere.
   A Mars-sized object collided with Earth billions of years ago
2. The moon broke off from Earth.
   NASA doesn't know.

NASA believes that approximately 4.5 billion years ago a Mars-sized object hit the Earth. The resulting debris formed a natural satellite. At the time, the moon was in a molten state and about 100 million years it hardened.

1. 10 miles
   149 miles
2. 1,100 miles
   5,042 miles

The moon's core is made up of iron. It is surrounded by a liquid iron shell that is about 56 miles thick.

1. Pioneer 0
   Pioneer 1
2. Voyager 1
   Voyager 2

Pioneer 0 is also known as Able 1. It was humanity's first attempt to send a spacecraft outside Earth's orbit. Pioneer 0's launch predates NASA.

1. Kennedy Space Center
   Vanderberg air Force Space
2. Kodiak Launch Complex
   Mojave Air and Space Port

Kennedy Space Center is located on Merritt Island. It was originally called Launch Operations Directorate.

1. Apollo 12
   Lunar Orbiter 5
2. ARTEMIS
   New Horizons

ARTEMIS stands for Acceleration, Reconnection, Turbulence, and Electrodynamics of the Moon's Interaction with the Sun. It is the first mission to orbit the points of the moon where the Earth and moon's gravity balance perfectly.

1. Apollo 10
   Juno
2. Atlantis
   ARTEMIS

Thomas P. Stafford, John W. Young, and Eugene A. Cernan were the crew on Apollo 10. It launched from Kennedy Space Center on May 18, 1969.

1. 1/3
   1/4
2. 1/5
   1/6

A person who weighs 132 pounds would weigh 22 pounds on the moon. However, their mass would remain the same.

1. 100 miles
   555 miles
2. 1,650 miles
   2,300 miles

As the moon rotates around Earth, it keeps the same side of the toward Earth. From Earth, only 60 percent of the moon can be seen. The dark side of the moon has only been photographed from space.

1. 24
   50
2. 72
   120

Apollo 11 travel 240,000 miles to reach the moon. Television coverage of the landing was watched by 600 million people.

1. Here men from the planet Earth first set foot upon the Moon, July 1969 A.D. We came in peace for all mankind.
   The surface is fine and powdery. I can kick it up loosely with my toe. It does adhere in fine layers, like powdered charcoal, to the sole and sides of my boots
2. We would like to give special thanks to all those Americans who built the spacecraft; who did the construction, design, the tests, and put their hearts and all their abilities into those craft.
   That's one small step for man, one giant leap for mankind.

Neil Armstrong insisted that he actually said "That's one small step for a man." Communication experts have analyzed the recordings and are still unsure about what exactly he said.

1. Luna 1
   Luna 2
2. Apollo 7
   Lunar Reconnaissance Orbiter

Luna 2 was sixth Soviet attempt to send an object to the moon. However, it was the first successful attempt from any nation.

1. Pioneer 3
   Luna 3
2. Ranger 7
   Hiten

Hiten made 11 flybys of the Moon. On April 10, 1993, it was purposely crashed into the Moon.

1. Lunar Orbiter 1
   Chang'e 1
2. Surveyor 2
   Zond 5

Chang'e 1 was launched on Oct. 24, 2007. The mission cost approximately $169 million.

1. Buzz Aldrin
   Jim Lovell
2. Alan Shepard
   Edgar Mitchell

In 1971, Alan Shepard hit two golf balls on the moon's surface. He placed a Wilson 6-iron head onto a device that was designed to take lunar soil samples.

1. David Scott
   Charles Duke
2. Buzz Aldrin
   Jim Lovell

Duke's photo features his two sons, his wife, and himself. On the back, he wrote, "This is the family of astronaut Charlie Duke from the planet Earth who landed on the moon on April 20, 1972."