Astronomy

100 cards with Astronomy lessons or terms in them English

Sample Cards

Solar System

The system of eight planets and various other objects moving around the sun

Asteroid

A small rocky body orbiting the sun

Comet

A celestial object that flies around the sun, composed of a nucleus of ice and dust.

Galaxy

A large system of millions or billions of stars, together with gas and dust

Astronomy

The study of celestial bodies in the universe beyond the Earth's atmosphere

Nebula

A cloud of gas and dust in space

Milky Way

The galaxy that contains our solar system

Black Hole

A place in space where gravity pulls so much that even light cannot get out

Astronomy Flashcards

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What's in this deck?

Solar System

The system of eight planets and various other objects moving around the sun

The system of eight planets and various other objects moving around the sun

Solar System

Asteroid

A small rocky body orbiting the sun

A small rocky body orbiting the sun

Asteroid

Comet

A celestial object that flies around the sun, composed of a nucleus of ice and dust.

A celestial object that flies around the sun, composed of a nucleus of ice and dust.

Comet

Galaxy

A large system of millions or billions of stars, together with gas and dust

A large system of millions or billions of stars, together with gas and dust

Galaxy

Astronomy

The study of celestial bodies in the universe beyond the Earth's atmosphere

The study of celestial bodies in the universe beyond the Earth's atmosphere

Astronomy

Nebula

A cloud of gas and dust in space

A cloud of gas and dust in space

Nebula

Milky Way

The galaxy that contains our solar system

The galaxy that contains our solar system

Milky Way

Black Hole

A place in space where gravity pulls so much that even light cannot get out

A place in space where gravity pulls so much that even light cannot get out

Black Hole

Meteoroids

Small bodies of matter in the solar system that can fall on earth

Small bodies of matter in the solar system that can fall on earth

Meteoroids

Quasar

The extremely bright center of a distant galaxy, powered by a black hole

The extremely bright center of a distant galaxy, powered by a black hole

Quasar

Constellation

A group of stars forming a recognizable pattern

A group of stars forming a recognizable pattern

Constellation

Telescope

An optical instrument designed to make distant objects appear nearer

An optical instrument designed to make distant objects appear nearer

Telescope

Big Bang Theory

A theory that suggests the universe began as a hot, dense point around 13.7 billion years ago

A theory that suggests the universe began as a hot, dense point around 13.7 billion years ago

Big Bang Theory

Light Year

The distance that light travels in one year

The distance that light travels in one year

Light Year

Red Giant

A large, bright star with a cool surface, usually late in its life

A large, bright star with a cool surface, usually late in its life

Red Giant

Satellite

Any object in space that orbits around another object

Any object in space that orbits around another object

Satellite

Supernova

A stellar explosion that often briefly outshines an entire galaxy

A stellar explosion that often briefly outshines an entire galaxy

Supernova

Orbit

The curved path of a celestial object around a star, planet, or moon

The curved path of a celestial object around a star, planet, or moon

Orbit

Pulsar

Highly magnetized rotating neutron star which emits beams of electromagnetic radiation

Highly magnetized rotating neutron star which emits beams of electromagnetic radiation

Pulsar

Planetarium

Place for presenting educational shows about astronomy and the night sky

Place for presenting educational shows about astronomy and the night sky

Planetarium

Parsec

A unit of length used in astronomy, equal to about 3.26 light years

A unit of length used in astronomy, equal to about 3.26 light years

Parsec

Wormhole

Theoretical passage through space-time that could create shortcuts for long journeys across the universe

Theoretical passage through space-time that could create shortcuts for long journeys across the universe

Wormhole

Solar Flare

A brief eruption of intense high-energy radiation from the sun's surface

A brief eruption of intense high-energy radiation from the sun's surface

Solar Flare

Nova

Star showing a sudden large increase in brightness and then slowly returning to its original state

Star showing a sudden large increase in brightness and then slowly returning to its original state

Nova

White Dwarf

A small very dense star that is typically the size of a planet

A small very dense star that is typically the size of a planet

White Dwarf

Eclipse

An event where one celestial body obscures light from or to another

An event where one celestial body obscures light from or to another

Eclipse

Star Cluster

A group of stars moving together through space

A group of stars moving together through space

Star Cluster

Gravitational Waves

Ripples in the curvature of spacetime that propagate as waves

Ripples in the curvature of spacetime that propagate as waves

Gravitational Waves

Aurora

Natural light display in the Earth's sky, predominantly seen in the polar regions

Natural light display in the Earth's sky, predominantly seen in the polar regions

Aurora

Satellite Galaxy

A small galaxy that travels on orbits around larger galaxies

A small galaxy that travels on orbits around larger galaxies

Satellite Galaxy

Dark Matter

Type of matter hypothesized in astronomy to account for effects seen in space that can't be attributed to normal matter

Type of matter hypothesized in astronomy to account for effects seen in space that can't be attributed to normal matter

Dark Matter

Exoplanet

A planet that orbits a star outside the solar system

A planet that orbits a star outside the solar system

Exoplanet

Venus

The second planet from the sun in our solar system

The second planet from the sun in our solar system

Venus

Jupiter

The largest planet in the solar system and the fifth one from the sun

The largest planet in the solar system and the fifth one from the sun

Jupiter

Red Shift

A shift in the spectral lines of celestial objects towards longer-wavelength (red) end

A shift in the spectral lines of celestial objects towards longer-wavelength (red) end

Red Shift

Spectroscope

A device for producing and observing a spectrum of light or radiation

A device for producing and observing a spectrum of light or radiation

Spectroscope

Astronaut

A person who is trained to travel in a spacecraft

A person who is trained to travel in a spacecraft

Astronaut

Uranus

The planet seventh in order from the sun

The planet seventh in order from the sun

Uranus

Neptune

The eighth and farthest known planet away from the sun in the solar system

The eighth and farthest known planet away from the sun in the solar system

Neptune

Pluto

A dwarf planet and the ninth-largest and tenth-most-massive known object directly orbiting the sun

A dwarf planet and the ninth-largest and tenth-most-massive known object directly orbiting the sun

Pluto

Astrophysics

Branch of astronomy that deals with the physics of the universe

Branch of astronomy that deals with the physics of the universe

Astrophysics

Moon

The natural satellite of the Earth, visible as a white orb in the sky

The natural satellite of the Earth, visible as a white orb in the sky

Moon

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