The technique of connecting multiple telescopes together to combine the images from each telescope is known as
a. abberation.
b. resolving power.
c. active optics.
d. adaptive optics.
e. interferometry.
Question 2As a star exhausts hydrogen in its core, it
a. becomes hotter and more luminous
b. becomes hotter and less luminous
c. becomes cooler and less luminous
d. becomes larger in radius and hotter
Question 3The Very Long Baseline Interferometer (VLBI)
a. is the highest resolution optical telescope ever built.
b. is located in Arecibo, Puerto Rico.
c. is a matched pair of 8 m telescopes, one of which is in Chile and the other in Hawaii.
d. is an air-borne infrared telescope.
e. is a set of radio telescopes linked together electronically to provide very high resolution.
Question 4The solar neutrino experiments detect about twice as many neutrinos as theory predicts should be detected.
Indicate whether the statement is true or false
Question 5A ____ is a piece of glass with many small parallel lines etched on its surface to produce a spectrum.
a. grating
b. spectrograph
c. photometer
d. charge-coupled device
e. prism
Question 6Stars of spectra type K have strong Balmer lines.
Indicate whether the statement is true or false
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