Chapter 3--Studying the Stars--8th Grade

Which of the following is NOT a desirable feature of a telescope?

• chromatic aberration

• gathering light

• magnification

• resolution

Telescopes that use mirrors to collect the incoming light are called

• reflectors

• refractors

• nonoptical telescopes

• radio telescopes

Modern advances in telescope design include all of the following except

• large-aperture objective lenses

• honeycomb mirrors

• segmented mirrors

• computer-controlled mirror actuators

A type of telescope mount that allows the viewer to follow a star with only one telescope motion is the

• altazimuth mount

• polar mount

• dobsonian mount

• equatorial mount

How many modern constellations are there?

• 12

• 13

• 88

• 66

According to Bayer's system, the name of the brightest star in the constellation Lyra is

• Alpha Lyrae

• Omega Lyrae

• Lyrae Majoris

• Lyrae Minoris

Which of the following is not referred to when finding a star's location using celestial coordinates?

• celestial equator

• gnomon

• declination

• right ascension

Which of the following stars is the brightest, according to their apparent magnitudes?

• Canopus, +0.7

• Deneb, +1.3

• Lacaille 9352, +7.4

• Barnard's Star, +9.6

Besides the amount of light emitted by a star, what else may affect a star's apparent magnitude?

• distance from the earth

• telescope magnification

• telescope resolution

• star motion

The distance that light travels in one year is a(n)

• parsec

• constant, c

• light-year

• astronomical unit