Study Guide: Astronomy Test 2 (Chapters 6–9)
Astronomy Study Guide: Quiz 6 (Chapter 6 and 7)
Chapter 6: Optics and Telescopes (pp. 129–153)
keywords: (p. 154) CCD,
gamma ray telescope.
key ideas: 1.What is a CCD?
2.What are the three basic categories of things that Astronomers use telescopes for? (Answer: imaging, spectroscopy, and timing.)
3.What is a spectrograph?
4.What are the three major ways that Earth's atmosphere negatively affects ground based astronomy. (Answer: it absorbs all but light with frequencies near the visible and radio portions of the spectrum, light pollution, and twinkling.)
5.What is the process that is used to correct atmospheric disturbance (twinkling) called?
6.What are the two regions in the spectrum of light for which the Earth's atmosphere is transparent?
7.Why are telescopes placed in space?
8.What is the process called in which two or more telescopes separated by a baseline distance are combined to reduce the diffraction limit?
9.What type of measurements are made in each of the 7 ranges in the spectrum of light (from gamma rays to radio waves)?
10.What ranges of the full spectrum of light needs space based telescopes and why?
Chapter 7: Comparative Planetology I: Our Solar System (pp. 159–180)
keywords: (p. 180) Sun
key ideas: (p. 180–2) 1.What are the two major planet types and what distinguishes them apart?
2.What are the main characteristics of a Jovian Planet? of a terrestrial...