Question 1

Resolving power is measured in nanometers.

Accepted Answer

A) True 
 B)False

Question 2

Why is magnifying power the least important of the three powers of a telescope?

Accepted Answer

Because the amount of detail that a tele

Question 3

Why are X-rays and gamma rays considered dangerous forms of light?

Accepted Answer

A)  These forms of light are only produced by large, dangerous machines. 
B)  There is no form of protection from these forms of light. 
C)  These forms of light break through Earth's atmosphere. 
D)  Photons of these wavelengths have high energy. 
E)  These forms of light cause sunburn. 
A)  These forms of light are only produced by large, dangerous machines. 
B)  There is no form of protection from these forms of light. 
C)  These forms of light break through Earth's atmosphere. 
D)  Photons of these wavelengths have high energy. 
E)  These forms of light cause sunburn.

Question 4

A optical distortion of refracting telescopes called _______________ causes a separation of colors, such as when you focus on one color, the other colors in an image are blurred.

Accepted Answer

chromatic

Question 5

If telescope A is 160 cm in diameter, and telescope B is 32 cm in diameter, how much more light does telescope A gather than telescope B?

Accepted Answer

A)  5 times 
B)  10 times 
C)  20 times 
D)  25 times 
E)  100 times 
A)  5 times 
B)  10 times 
C)  20 times 
D)  25 times 
E)  100 times

Question 6

Large doses of _______________ light can cause sunburn and skin cancers.

Accepted Answer

The answer of Large doses of _______________ light can cause...

Question 7

A lens called the _______________ is typically used to magnify the image and make it convenient to view distant objects.

Accepted Answer

The answer of A lens called the _______________ is typically...

Question 8

The Chandra observatory uses ________________ mirrors in which the X-rays reflect at shallow angles from the polished inside of the mirrors to form images on X-ray detectors.

Accepted Answer

The answer of The Chandra observatory uses ________________ mirrors in...

Question 9

Explain interferometry and provide an example of an observatory that uses this technique.

Accepted Answer

Astronomers have been able to achieve ve

Resolving power is measured in nanometers.

Why is magnifying power the least important of the three powers of a telescope?

Why are X-rays and gamma rays considered dangerous forms of light?

A optical distortion of refracting telescopes called _______________ causes a separation of colors, such as when you focus on one color, the other colors in an image are blurred.

If telescope A is 160 cm in diameter, and telescope B is 32 cm in diameter, how much more light does telescope A gather than telescope B?

Large doses of _______________ light can cause sunburn and skin cancers.

A lens called the _______________ is typically used to magnify the image and make it convenient to view distant objects.

The Chandra observatory uses ________________ mirrors in which the X-rays reflect at shallow angles from the polished inside of the mirrors to form images on X-ray detectors.

Explain interferometry and provide an example of an observatory that uses this technique.

Here and Now

A Users Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

Formation and Structure of Stars

Stellar Evolution

Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Supermassive Black Holes and Active Galaxies

Modern Cosmology

Astrobiology

Earth- the Active Planet

The Moon and Mercury

Venus and Mars

Jupiter and Saturn

Uranus, Neptune, Pluto, and the Kuiper Belt

Meteorites, Asteroids, and Comets

Astrobiology

Filters

Exam 6: Light and Telescopes

Resolving power is measured in nanometers.

Why is magnifying power the least important of the three powers of a telescope?

Why are X-rays and gamma rays considered dangerous forms of light?

A optical distortion of refracting telescopes called _______________ causes a separation of colors, such as when you focus on one color, the other colors in an image are blurred.

If telescope A is 160 cm in diameter, and telescope B is 32 cm in diameter, how much more light does telescope A gather than telescope B?

Large doses of _______________ light can cause sunburn and skin cancers.

A lens called the _______________ is typically used to magnify the image and make it convenient to view distant objects.

The Chandra observatory uses ________________ mirrors in which the X-rays reflect at shallow angles from the polished inside of the mirrors to form images on X-ray detectors.

Explain interferometry and provide an example of an observatory that uses this technique.

Here and Now

A Users Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

Formation and Structure of Stars

Stellar Evolution

Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Supermassive Black Holes and Active Galaxies

Modern Cosmology

Astrobiology

Earth- the Active Planet

The Moon and Mercury

Venus and Mars

Jupiter and Saturn

Uranus, Neptune, Pluto, and the Kuiper Belt

Meteorites, Asteroids, and Comets

Astrobiology

Filters