Historical Astronomy

The Copernicus Theory stated that

• The sun was in the center of the universe.
• The Earth was in the center of the universe.
• Planets move in elliptical patterns.
• Objects in motion stay in motion.

Who had 3 laws of planetary motion?

• Galileo
• Copernicus
• Kepler
• Newton

How do we know the universe is expanding?

• Planets move closer together.
• Galaxies are moving further apart.
• Galaxies change shape.
• Galaxies are getting bigger.

An object in motion stays in motion describes which term?

• Gravity
• Orbit
• Inertia
• Pressure

What affects gravitational attraction/strength?

• Mass and distance
• Distance and pressure
• Volume and size
• Distance and volume

Who discovered WHY planets orbit (due to the balance of inertia and gravity)?

• Kepler
• Sir Isaac Newton
• Galileo
• Ptolemy

Which type of eclipse occurs when the MOON is in between the SUN and EARTH?

• Solar Eclipse
• Lunar Eclipse

What would happen if Earth rotated slower?

• The days would be shorter.
• The days would be longer.
• The days would not change.
• The year would be longer.

Which model of the universe is shown?

• Heliocentric
• Geocentric

Which scientist came up with the geocentric model of the Universe?

• Copernicus
• Newton
• Brahe
• Ptolemy