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