Ancient Astronomers and Tools of Astronomy

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

• Albert Einstein

• 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
• Isaac Newton

• 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
• Tycho Brahe

• Claudius Ptolemy

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

• Isaac Newton
• Albert Einstein

• Tycho Brahe
• Galileo

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

E = MC2

• Albert Einstein

• Tycho Brahe
• Isaac Newton

• Aristotle

refractor telescopes

• use convex lens to bend and focus light rays

• receive radio waves emitted from objects in space

• use mirrors to focus light rays to produce images

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

satellites

• contain instruments to collect data and travel out of Earth's orbit

• collect the light from distant stars and separate that light into bands of different colors

• placed in orbit around Earth with special instruments and telescopes

Tags

NGSS.HS-ESS1-4

radio telescopes

• use convex lens to bend and focus light rays to produce images

• use mirrors to focus light rays to produce images of objects in space

• receive radio waves emitted from objects in space

Tags

NGSS.HS-PS4-5