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Astro - greek base
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The ASTROSPHERE keeps harmful space particles away from planets.
The astrosphere is the bubble around a star made by its energy.
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He believes in ASTROLOGY and checks his horoscope every morning.
Astrology is the belief that stars and planets can tell you about your future.
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The ASTRONAUT floated outside the spaceship, fixing a broken panel.
An astronaut is someone who goes into space to do work.
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In ASTROGEOLOGY, experts study rocks from the Moon and Mars.
Astrogeology is like geology, but for space stuff like moon rocks.
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ASTROMETRY helps us know exactly where stars are and how they move.
Astrometry is about measuring star locations and movements.
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In ASTROCHEMISTRY, scientists find out what space dust and gas are made of.
Astrochemistry is about space chemicals and what things in space are made of.
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Scientists catch ASTROPARTICLES from space to learn where they came from.
Astroparticles are tiny bits from space that tell us about the universe.
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In school, we looked through a telescope during our ASTRONOMY class.
Astronomy is the study of stars, planets, and space.
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He studies ASTROPHYSICS to understand how stars form and explode.
Astrophysics is about how space things, like stars, behave and work.
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She reads her ASTROLOGICAL chart to see what might happen this week.
Astrological means related to the idea that stars can affect your life.
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The observatory uses an ASTROGRAPH to take clear pictures of stars.
An astrograph is a special camera-telescope for photographing space.
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ASTROBIOLOGY asks if life could exist on other planets, like Mars.
Astrobiology is the study of life in space or other planets.
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