Early Astronomers

Who was the first astronomer to use a telescope to observe the sky?

• Galileo Galilei

• Neil Armstrong

Until the early 1600s, people observed the night sky with __________.

• a telescope

• their eyes

A system where Earth and all other planets revolve around the sun

• heliocentric

• geocentric

• gravity

• inertia

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Who was the first to use a telescope to look at objects in the sky?

• Newton

• Galileo

• Kepler

• Copernicus

Who discovered that we lived in a Heliocentric System, but no one believed him

• Galileo

• Kepler

• Copernicus

• Ptolemy

Who discovered that Jupiter's 4 moons orbit around it?

• Newton

• Galileo

• Copernicus

• Ptolemy

Who believed we lived in a Geocentric System?

• Galileo

• Newton

• Kepler

• Ptolemy

Who studied the position of the planets for 20 years?

• Galileo

• Copernicus

• Brahe

• Ptolemy

Who established that the planets orbit in an ellipse shape?

• Galileo

• Kepler

• Copernicus

• Ptolemy

Who discovered that Venus goes through phases similar to Earth's moon?

• Newton

• Galileo

• Copernicus

• Brahe