Astro 10 Chapter 3

Which astronomer of antiquity first applied a telescope to astronomical observation?

• Ptolemy
• Galileo Galilei
• Tycho Brahe
• Copernicus

Ancient Greeks believed, the earth to be the centr 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 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.HS-ESS1-4

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

Planets orbit the Sun in a shape called a(n)

• circle
• ellipse
• focus
• perihelion

Tags

NGSS.HS-ESS1-4

An ellipse is drawn around two points called

• aphelion
• perihelion
• foci
• axis

Complete the following statement: The farther away two planets are the _______ the gravitational force between them.

• greater
• same
• zero
• less

Tags

NGSS.HS-PS2-4