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The Great Astronomershe Great Astronomershe Great Astronomers

Name these great astronomers after reading the clues given below :

1. He was the British scientist who first explained how gravity
works.

2. He was the German astronomer who discovered the basic
rules about the way the planets move.

3. He described the Doppler Effect which shows that the

farther away a galaxy is, the faster it moves away from the
Milky Way.

4. He was the astronomer who first suggested that the sun was

the centre and the earth moves around the sun. This is called
the heliocentric view.

5. He was an Indian astronomer, mathematician and poet who

stated that the earth is a sphere which revolves on its axis
and moves around the sun.

6. He was an another astronomer who built his own very
powerful telescope and discovered the sixth planet, Uranus

in 1718.

7. He was an English astronomer noted for his work on comets.
He also determined an accurate way to measure the

distance of the sun from the earth.

8. He was a second century A.D. Alexandrian astronomer who
believed that the earth stood still in the centre of the

universe. He was not seriously challenged until Copernicus
offered a new theory in the sixteenth century.

DID
Johannes Kepler, Ptolemy, Herschel, Edmond ? Edwin Powell was an American
CluesCluesClues
YOU
astronomer who was the first to

Halley, Sir Isaac Newton, Aryabhata, Christian Know? demonstrate that the universe
contains star systems other than
Johann Doppler, Nicolous Copernicus. our galaxy.

52 G.K. Magic-8