Astronomy Test 1 Part 6

The first radio telescope was built in the 1930's by _____.

Karl Jansky

The largest refracting telescope in the world, financed by a Chicago millionaire in the 1890's, is at the _____.

Yerkes Observatory

When an astronomer involved in a research project says he is going to look at the observatory's plate collection, what will he be looking at?

a series of glass plates with light-sensitive chemicals on them, on which the appearance of the sky is recorded

To break up light into the component colors that it contains, astronomers use a device called ______.

a spectrometer

Why do telescopes have to have a good motorized drive system to move them quickly and smoothly?

because the earth is rotating with the telescope

A very wealthy donor decides to give a large sum of money to your college or university to build the world's largest visible-light gathering telescope. From an astronomical perspective, where would be the best location to put such a telescope?

on a tall, dry mountain peak

Which of the following is NOT an advantage that the Hubble Space Telescope has over large telescopes on Earth?

the Hubble has a larger aperture than any visible-light telescope on Earth

When a knowledgeable amateur astronomer tells you that she has a 14-inch telescope, what does the number 14 refer to?

the diameter of the primary lens or mirror

Which of the following types of telescopes can be used ONLY above the Earth's atmosphere?

x-ray telescope