Astro.U1.Q2

A philosopher that proved the Earth is a sphere & thought it was at the center of the universe.

• William Herschel
• Isaac Newton
• Aristotle
• Nicolaus Copernicus

His model of the Earth-centered universe was the cornerstone of astronomy for 1,500 years

• Claudius Ptolemy
• Nicolaus Copernicus
• Charles Messier
• Galileo Galilei

Began a new era of astronomy when he concluded that the Sun was the center of the universe

• Aristotle
• Isaac Newton
• Claudius Ptolemy
• Nicolaus Copernicus

Built an observatory and made the most accurate astronomical observations for more than 20 yrs.

• Giovanni Cassini
• Tycho Brahe
• Hipparchus
• Isaac Newton

Built a telescope and made discoveries which changed astronomy; discovered 4 moons of Jupiter

• Galileo Galilei
• Aristotle
• William Herschel
• Claudius Ptolemy

He showed the laws governing astronomical bodies were the same laws governing motion on Earth

• Isaac Newton
• Charles Messier
• Tycho Brahe
• Hipparchus

Who was the first astronomer to use a telescope for astronomy?

• Brahe

• Newton

• Hubble

• Galileo

What did Kepler develop?

• The geocentric model

• The first telescope

• Spectroscopy

• The laws of planetary motion

Who published the theory of gravity?

• Hubble

• Newton

• Brahe

• Galileo

Where is the earth in the heliocentric model?

• orbiting in the middle of the solar system

• At the center of the solar system

• orbiting the outskirts of the solar system

• Not in a solar system