Interferometry uses two or more telescopes to achieve
A. a light-collecting area equivalent to that of a much larger telescope.
b. an angular resolution equivalent to that of a much larger telescope.
c. both the light-collecting area and angular resolution of a much larger telescope.
Ans: b. an angular resolution equivalent to that of a much larger telescope.
You might also like to view...
What phase does the Moon experience 14 days after the time of a solar eclipse?
A) third quarter B) waxing gibbous C) new D) waning gibbous E) full
Some regions along the plane of the Milky Way appear dark because:
A) there are no stars in these areas. B) stars in that region are hidden by interstellar gas. C) stars in that region are hidden by dark dust particles. D) many brown dwarfs in those areas absorb light which they turn into heat. E) many black holes absorb all light from those directions.
The particles which enter into chemical reactions are the atom's:
A) protons. B) neutrons. C) positrons. D) electrons. E) mesons.
__________ in Earth's atmosphere absorbs most ultraviolet radiation coming from the Sun
a. Methane b. Three bound oxygen atoms c. Water vapor d. Carbon dioxide