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An Astronomer is a scientist who studies the stars and planets.
Only Earth and Venus has a well developed atmosphere out of the rocky planets. Note that the rocky planets are Mercury, Venus, Earth and Mars.
A planetary geologists
kepler
heiurytht
Johannes Kepler developed the laws of planetary motion.However he was German not Austrian.
Johannes Kepler developed the laws of planetary motion.However he was German not Austrian.
An Astronomer is a scientist who studies the stars and planets.
The scientist that developed the orbital model is Niels Bohr
An Astronomer is a scientist who studies the stars and planets.
Ptolemey is a scientist that studied the planets and he discovered new planets in place.
Johannes Kepler
None.
Scientist have been sending rovers and astronauts to the other planets to detect life on other planets. (I think I'm not 100% sure,sorry)
An astronomer.
Only Earth and Venus has a well developed atmosphere out of the rocky planets. Note that the rocky planets are Mercury, Venus, Earth and Mars.
Sir Isac Newton was the scientist who discovered why the planets stay in orbit.