Astronomers, Night Sky & Constellations

Which astronomer first applied a telescope to astronomical observation?

• Ptolemy
• Galileo Galilei
• Tycho Brahe
• Copernicus

Ancient Greeks believed the earth to be the center of the universe. What do we call this model?

• Ptolemic System
• Geocentric Universe
• Heliocentric Universe
• Copernican Model

Ancient astronomers used 'epicycles' to explain...?

• Retrograde Motion
• Constellation Movement
• Moon's Phases
• Planetary Transits

Tycho Brahe's biggest contribution to astronomy was ________________.

• Accurate Observations of the stars and planets
• His telescopic observations
• Heliocentric Universe
• His Silver/Brass Nose

Astronomer Johannes Kepler ______________.

• Published Almagest
• Invented the first Radio Telescope
• Suggested elliptical orbits for the planets
• Was made head astronomer for the Church

Tags

NGSS.MS-ESS1-2

What problems did early astronomers face when trying to justify a geocentric model?

• Retrograde motion of planets farther out than the Earth
• Bodies in the night sky moved from horizon to horizon making people think the Sun was the center
• No observations of bodies in the night sky were observable to make any logical conclusions about celestial orbits
• The lack of evidence for stellar parallax

Copernicus is attributed with coming up with what model of the solar system?

• geocentric

• heliocentric

• geo-heliocentric

Who came up with three laws explaining planetary motion?

• Isaac Newton

• Galileo Galilei

• Tycho Brahe

• Johannes Kepler

Why does the sun appear to move across the sky over the course of a day?

• The Earth is stationary and the sun orbits around it.

• The Sun is stationary and the Earth rotates upon its axis.

• The Sun is stationary and the Earth orbits around it.

• Both the Sun and the Earth are revolving around each other.

Tags

NGSS.MS-ESS1-1

Which astronomer first applied a telescope to astronomical observation?

• Ptolemy
• Galileo Galilei
• Tycho Brahe
• Copernicus