ASTRONOMY 1010 FINAL EXAM QUESTIONS WITH THE BEST
ANSWERS 2024-2025.
1) The number of wave crests that pass a given point in space per second is an
example of which quantity? -- Answer ✔✔ Frequency
2) What is the origin of absorption lines that appear after a continuous spectrum of
light has traveled through a cloud of gas? -- Answer ✔✔ Gas atoms absorb photons
of only certain frequencies and re-emit them in all direction
3) What kind of astronomy was used to provide evidence of water plumes on Jupiter's
moon Europa? -- Answer ✔✔ Ultraviolet
4) What happens in the second stage of planet formation in the condensation theory?
-- Answer ✔✔ Planetesimals gain sufficient mass to start attracting other
planetesimals and forming protoplanets
5) What type of light has the most energetic photons? -- Answer ✔✔ Gamma ray
6) One of the reasons that space telescopes are used is because -- Answer ✔✔ their
collecting area can be much larger than ground-based telescopes
7) Einstein's introduction of the idea of photons best illustrates what part of the
scientific process? -- Answer ✔✔ Synthesis
8) Compared with the terrestrial planets, the jovian planets -- Answer ✔✔ have lower
densities
9) Where is the asteroid belt located? -- Answer ✔✔ Between the orbits of Mars and
Jupiter
