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space exploration > Space Exploration Vocab 1 > Flashcards

Space Exploration Vocab 1 Flashcards

1
Q

Word

A

Definition

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2
Q

Astronomy

A

The study of stars, planets, and all other objects in the universe.

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3
Q

Astronaut

A

A person who travels into space.

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4
Q

Satellite

A

An object that orbits around a planet. Can be natural, like a moon, or man-made.

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5
Q

Telescope

A

A tool used to observe distant objects in space.

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6
Q

Galaxy

A

A large group of stars, gas, and dust bound together by gravity.

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7
Q

Gravity

A

The force that attracts objects towards each other; it keeps planets in orbit around stars.

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8
Q

Orbit

A

The path an object takes as it moves around another object in space.

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9
Q

Space Shuttle

A

A reusable spacecraft that transports astronauts and cargo to and from Earth’s orbit.

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10
Q

Rocket

A

A vehicle designed to propel itself by ejecting exhaust gas from one end.

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11
Q

Space Station

A

A large spacecraft in orbit where astronauts can live and work for long periods.

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12
Q

Comet

A

A small, icy body that heats up and releases gas and dust as it nears the sun.

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13
Q

Meteor

A

A small rock from space that enters Earth’s atmosphere and burns up, often seen as a shooting star.

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14
Q

Asteroid

A

A small rocky body orbiting the sun, mainly found in the asteroid belt between Mars and Jupiter.

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15
Q

Black Hole

A

A region in space where gravity is so strong that nothing, not even light, can escape from it.

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16
Q

Nebula

A

A large cloud of gas and dust in space, often the birthplace of stars.

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17
Q

Universe

A

Everything that exists, including all space, time, matter, energy, planets, stars, and galaxies.

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18
Q

Space Probe

A

An unmanned spacecraft sent to explore distant places in space.

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19
Q

Lunar

A

Relating to the moon.

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20
Q

Solar System

A

Our sun and all the objects that orbit around it, including planets, moons, asteroids, and comets.

21
Q

Mars Rover

A

A motor vehicle that travels across the surface of the planet Mars to gather data.

22
Q

International Space Station (ISS)

A

A space station, or a habitable artificial satellite, in low Earth orbit.

23
Q

Cosmos

A

Another word for the universe, encompassing all things in space.

24
Q

Hubble Space Telescope

A

A large telescope sent into space to take pictures and collect data about the universe.

25
Q

Zero Gravity

A

A condition of weightlessness experienced in space.

26
Q

Exoplanet

A

A planet that orbits a star outside our solar system.

27
Q

Spacecraft

A

A vehicle designed for travel or operation in outer space.

28
Q

Space Suit

A

A special suit that astronauts wear to keep them safe and comfortable in space.

29
Q

Alien

A

A life form that is believed to exist outside of Earth, but not yet proven.

30
Q

Big Bang Theory

A

A scientific theory about how the universe started with a massive explosion.

31
Q

Light-Year

A

The distance light travels in one year; used to measure vast distances in space.

32
Q

Space Race

A

The competition between the United States and the Soviet Union during the Cold War to achieve significant milestones in space exploration.

33
Q

Sputnik

A

The first artificial Earth satellite, launched by the Soviet Union in 1957.

34
Q

Apollo Program

A

A series of space missions conducted by the United States with the goal of landing a man on the moon.

35
Q

Moon Landing

A

The event of a spacecraft reaching the moon’s surface, most famously achieved by Apollo 11 in 1969.

36
Q

Neil Armstrong

A

An American astronaut who was the first person to walk on the moon.

37
Q

Yuri Gagarin

A

A Soviet astronaut who became the first human to travel into space.

38
Q

Vostok 1

A

The spacecraft that carried Yuri Gagarin, making him the first human in space.

39
Q

Space Shuttle Challenger

A

A space shuttle that tragically broke apart soon after launch in 1986.

40
Q

Mir Space Station

A

A space station operated by the Soviet Union and later by Russia, from 1986 to 2001.

41
Q

Voyager Probes

A

Unmanned space probes launched by NASA to study the outer Solar System and beyond.

42
Q

Skylab

A

The first space station operated by the United States in the 1970s.

43
Q

Gemini Program

A

A NASA spaceflight program that paved the way for the Apollo missions.

44
Q

Saturn V Rocket

A

The powerful rocket used by NASA for the Apollo moon missions.

45
Q

Valentina Tereshkova

A

The first woman to fly in space aboard the Soviet Vostok 6 mission.

46
Q

John Glenn

A

The first American to orbit the Earth aboard the Friendship 7 mission.

47
Q

Spacewalk

A

An activity where an astronaut moves outside of a spacecraft while in space.

48
Q

Project Mercury

A

The first human spaceflight program of the United States.

49
Q

Laika

A

A dog sent into space by the Soviet Union and the first animal to orbit the Earth.

space exploration (2 decks)

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