Space terms: Axis, Constellation, Ellipse
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Questions and Answers

What is an axis?

An imaginary line about which a body rotates.

What is a constellation?

A star pattern.

What is a lunar eclipse?

The event in which the full moon passes partially or wholly through the Earth's shadow.

What are moon phases?

<p>One of the shapes the moon seems to have as it orbits Earth.</p> Signup and view all the answers

What does NASA stand for and what does it do?

<p>The government agency that runs the U.S. space program.</p> Signup and view all the answers

What is a revolution?

<p>The movement of one object around another.</p> Signup and view all the answers

What is rotation?

<p>The spinning of a planet, moon, or star around its axis.</p> Signup and view all the answers

What is a space probe?

<p>Vehicles that move through space, but are controlled from Earth. They take photos and send back data.</p> Signup and view all the answers

What is a telescope?

<p>An instrument used to 'look at far off' objects, using lenses to make far away object appear closer and larger.</p> Signup and view all the answers

Flashcards

Axis

An imaginary line around which an object spins.

Constellation

A group of stars forming a recognizable pattern.

Ellipse

An oval shape, like a stretched-out circle.

Eclipse

When one object blocks light from another.

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Lunar Eclipse

Earth's shadow is cast on the moon.

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Moon

A natural object orbiting a planet.

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Moon Phases

The changing shapes of the moon as seen from Earth.

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NASA

U.S. Space program's government agency.

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Orbit

The curved path of an object around another.

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Revolution

One object moving around another.

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Rotation

Spinning of an object on its axis.

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Solar Eclipse

The moon passes between the sun and Earth.

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Space Probe

A vehicle for space exploration controlled from Earth.

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Telescope

Instrument to view distant objects.

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Study Notes

  • Axis: An imaginary line around which an object rotates.
  • Constellation: A recognizable pattern of stars in the night sky.
  • Ellipse: A stretched-out circle, resembling an oval shape.
  • Eclipse: Occurs when one space object comes between the sun and another object.
  • Lunar Eclipse: Happens when the full moon passes through Earth's shadow, either partially or entirely.
  • Moon: A natural satellite that orbits a planet.
  • Moon Phases: The different shapes the moon appears to have as it orbits Earth.
  • NASA: The U.S. government agency responsible for the nation's space program.
  • Orbit: The path an object takes as it revolves around another object in space.
  • Revolution: The movement of one object around another object.
  • Rotation: The spinning of a planet, moon, or star on its axis.
  • Solar Eclipse: Occurs when the moon passes between the sun and Earth.
  • Space Probe: A vehicle that travels through space controlled from Earth, used to capture images and send data.
  • Telescope: An instrument using lenses to view distant objects, making them appear closer and larger.

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Description

Brief definitions of space-related terms: axis, constellation, ellipse, eclipse, lunar eclipse, moon and moon phases, NASA, orbit, revolution, rotation, solar eclipse, and space probe.

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