Unformatted text preview: 13) What is the primary purpose of an astronomical telescope?
A) To magnify and make distant objects appear closer.
B) To separate light into its component colors.
C) To measure the intensity of light very accurately.
D) To access wavelengths that we cannot see visually.
To collect a lot of light and bring it to a focus. 14) What are two advantages of large telescopes over smaller ones? A) Large telescopes have a larger ﬁeld of view and sharper focus. B) Large telescopes are not subject to atmospheric turbulence and opacity like smaller ones.
C) Large telescopes are easier to mount and control than small ones.
© Large telescope have more light grasp and better resolution. E) Large telescopes give higher magniﬁcation and are easier to build. 15) Which planet breaks the most rules, based on its odd orbit?
A) Mercury B) Mars C) Jupiter 16) Which of these is NOT ajovian planet?
E) Neptune 17) In composition and density, the asteroids most resemble:
B) the Sun.
C jovian moons.
6 pieces of terrestrial planets.
E) Kuiper Belt objects like Pluto. 18) Without the greenhouse effect operating in our atmosphere,
we would not have to worry about any warming problems in the ﬁiture.
Earth would have an average temperature of -23 degrees Celsius. C) the ice in the polar regions would have melted long ago. D) the ozone layer would not be weakening. E) the Earth would have become much more like Venus long ago. 19) The critical part of the atmosphere for protecting life on the ground from excessive
ultraviolet radiation is the: A) hydrosphere. troposphere.
) stratosphere. E) ionosphere. ...
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- Spring '09