Astronomy Notes Quiz

What is the science that studies the universe?

• Geology

• Astronomy

• Chemistry

• Biology

Who proposed the geocentric model of the universe?

• Nicolaus Copernicus

• Johannes Kepler

• Ptolemy

• Tycho Brahe

Who proposed the heliocentric model of the universe?

• Ptolemy

• Tycho Brahe

• Johannes Kepler

• Nicolaus Copernicus

What is retrograde motion?

• The apparent eastward motion of the planets with respect to the stars

• The apparent westward motion of the planets with respect to the stars

• The apparent motion of the planets in a circular path

• The apparent motion of the planets in an elliptical path

Who discovered three laws of planetary motion?

• Galileo Galilei

• Johannes Kepler

• Nicolaus Copernicus

• Tycho Brahe

What did Galileo Galilei discover using his telescope?

• Four satellites orbiting Jupiter

• The moon's surface is not smooth

• All of the above

• Phases of Venus

Who formulated and tested the law of universal gravitation?

• Tycho Brahe

• Johannes Kepler

• Nicolaus Copernicus

• Isaac Newton

What is the distance that light travels in one year called?

• Kilometer

• Light-year

• Parsec

• Astronomical unit

What is the study of the properties of light that depend on wavelength called?

• Doppler effect

• Electromagnetic radiation

• Spectroscopy

• Radiation pressure

What is the background radiation from the Big Bang called?

• Radio waves

• Visible light

• Gamma rays

• Cosmic microwave background radiation