Transcript of Read the page Turn the page Go back Research and describe the contributions of scientists to our...
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- Read the page Turn the page Go back Research and describe the
contributions of scientists to our changing understanding of
astronomy, including Ptolemy, Copernicus, Tycho Brahe, Kepler,
Galileo, Newton, Einstein, and Hubble, and the contribution of
women astronomers, including Maria Mitchell and Henrietta Swan
Leavitt Some History about Astronomy
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- Read the page Turn the page Go back Astronomy is the study of
matter in outer space.
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- Read the page Turn the page Go back It is the study of planets
and stars.
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- Read the page Turn the page Go back It is the study of the sun
and the moon.
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- Read the page Turn the page Go back The scientists who study
these things are called astronomers.
- Slide 7
- Read the page Turn the page Go back For thousands of years, men
have wanted to understand how the universe works.
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- Read the page Turn the page Go back Learn more In 140 AD,
Ptolomy, an astronomer from Greece, wrote a book. He said that the
sun, moon and planets orbited around the earth. This theory is
wrong, but people believed this for many years. earth moon sun
Greece
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- Read the page Turn the page Go back Learn more In 1543,
Copernicus, an astronomer from Poland, published a book stating
that the planets, including Earth, moved around the sun. Few people
believed him. Poland
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- Read the page Turn the page Go back Learn more In the 1600s,
Galileo, an astronomer from Italy, used the newly invented
telescope to look at the sky. Galileo believed that Copernicus was
right, that the planets, including Earth, moved around the sun.
Italy
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- Read the page Turn the page Go back Learn more In 1609,
Johannes Kepler, an astronomer from Germany, developed some laws
based on the movements of planets. One law was that planets move in
an ellipse around the sun, not a circle. Germany
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- Read the page Turn the page Go back Learn more In 1687, Isaac
Newton, an astronomer from Great Britain, described a force known
as gravity. The planets orbit the sun because of the suns
gravitational pull. Great Britain
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- Read the page Turn the page Go back Learn more In 1847, Maria
Mitchell, an astronomer from America, discovered a comet. She was
the first American woman to work as a professional astronomer.
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- Read the page Turn the page Go back Learn more In the 1920s,
Edwin Hubble, an astronomer from America, proved that there are
galaxies beyond our own. Hubble Space Telescope
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- Read the page The EndGo back Start Over People continue to be
curious about outer space today. Astronomers all over the world
continue to learn new things about our universe. I wonder what they
will discover next!