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Historical Astronomy and Telescopes

Total questions: 51

Worksheet time: 27mins

Name
Class
Date
1.

The observation that everything moved across the night sky from east to west caused early astronomers like Aristotle to believe...

a)

The sun was the center of the solar system.

b)

The earth was the center of the solar system.

c)

The earth was flat.

2.

Ancient Greeks believed, the earth to be the centre of the universe. What do we call this model?

a)

Copernican Model

b)

Geocentric Universe

c)

Heliocentric Universe

3.

The Copernican revolution began when Copernicus suggested

a)

a geocentric model.

b)

a heliocentric model.

c)

a new calendar.

d)

a new constellation.

4.

Tycho Brahe's biggest contribution to astronomy was...?

a)

accurate observations of the stars and planets.

b)

his new invention, the telescope.

c)

his theory of a heliocentric universe.

d)

his brass nose and bad temper.

5.

Astronomer Johannes Kepler...

a)

was made head astronomer for the Church.

b)

invented the first Radio Telescope

c)

showed that the planets have elliptical orbits.

6.

The observation that everything moved across the night sky from east to west caused early astronomers like Aristotle to believe...

a)

The sun was the center of the solar system.

b)

The earth was the center of the solar system.

c)

The earth was flat.

7.

Ancient Greeks believed, the earth to be the centre of the universe. What do we call this model?

a)

Copernican Model

b)

Geocentric Universe

c)

Heliocentric Universe

8.

Which African astronomer/librarian measured the circumference of the earth using sticks and shadows?

a)

Aristotle

b)

Ptolemy

c)

Copernicus

d)

Eratosthenes

9.

Which astronomer of antiquity made elaborate models of an earth-centered universe, an idea which was to stick for over 1000 years?

a)

Copernicus

b)

Eratosthenes

c)

Ptolemy

d)

Tycho Brahe

10.

The Copernican revolution began when Copernicus suggested

a)

a geocentric model.

b)

a heliocentric model.

c)

a new calendar.

d)

a new constellation.

11.

Tycho Brahe's biggest contribution to astronomy was...?

a)

accurate observations of the stars and planets.

b)

his new invention, the telescope.

c)

his theory of a heliocentric universe.

d)

his brass nose and bad temper.

12.

Astronomer Johannes Kepler...

a)

was made head astronomer for the Church.

b)

invented the first Radio Telescope

c)

showed that the planets have elliptical orbits.

13.

Which astronomer of the Middle Ages first applied a telescope to astronomical observation?

a)

Ptolemy

b)

Galileo Galilei

c)

Tycho Brahe

d)

Copernicus

14.

Galileo's discoveries

a)

helped him invent the telescope.

b)

provided evidence that the earth and the planets revolve around the sun.

c)

convinced him the Earth was at the center.

d)

helped him learn about the planets Neptune and Uranus.

15.

A heliocentric view believes everything revolves around the:

a)

sun

b)

earth

c)

universe

d)

moon

16.

Isaac Newton developed a __________ telescope that showed objects in sharper detail.

a)

reflecting

b)

satellite

c)

radio

d)

lense

17.
Who invented calculus to help him understand the way objects moved in space?
a)
Johannes Kepler
b)
Tycho Brahe
c)
Isaac Newton
d)
Nicolaus Copernicus
18.
Who created the Universal Law of Gravitation?
a)
Copernicus
b)
Newton
c)
Kepler
d)
Galileo
19.
Ancient astronomers used 'epicycles' to explain...?
a)
Retrograde Motion
b)
Constellation Movement
c)
Moon's Phases
d)
Planetary Transits
20.
What problems did early astronomers face when trying to justify a geocentric model?
a)
Retrograde motion of planets farther out than the Earth
b)
Bodies in the night sky moved from horizon to horizon making people think the Sun was the center
c)
No observations of bodies in the night sky were observable to make any logical conclusions about celestial orbits
d)
The lack of evidence for stellar parallax
21.

Who came up with three laws explaining planetary motion?

a)

Isaac Newton

b)

Galileo Galilei

c)

Tycho Brahe

d)

Johannes Kepler

22.

The distance between the Sun and the Earth is called ...

a)

A light minute

b)

A light half hour

c)

An Astronomical Unit (AU)

d)

A short trip.

23.
Planets orbit the Sun in a shape called a(n)
a)
circle
b)
ellipse
c)
focus
d)
perihelion
24.
A planet moves __________ when it is farthest from the sun.
a)
faster
b)
slower
25.

Why was the discovery of Jupiter’s moons so important?

a)

It proved the theory of gravity

b)

It supported the heliocentric model

c)

It proved Kepler's Laws

d)

It proved there could be multiple moons

26.
Who first suggested that earth rotated on its axis?
a)
Tycho Brahe
b)
Aristarchus
c)
Aristotle
d)
Copernicus
27.
discovered Jupiter's four moons
a)
Copernicus
b)
Galileo
c)
Brahe
d)
Aristotle
28.

Which of the following is NOT a reason that ancient civilizations studied astronomy?

a)

time-keeping

b)

navigation

c)

culture & religion

d)

contact aliens

29.
His model of the Earth-centered universe was the cornerstone of astronomy for 1,500 years
a)

Ptolemy

b)

Copernicus

c)

Newton

d)

Galileo

30.
What does Reflecting Telescope have?
a)
Lens
b)
Mirrors
c)
Bat ears
31.
What does Refracting Telescope have?
a)
Sand
b)
Mirrors
c)
Lens
d)
Batmobile 
32.
Why are many large optical telescopes located on mountains?
a)
to be closer to the stars
b)
to be above part of the atmosphere
c)
because it is easier to build telescopes on mountains
d)
to be closer to city lights
33.
Why is the Hubble telescope located in space?
a)
So it can be closer to the stars it magnifies
b)
They have very large optical lenses
c)
So its images arent distorted by Earth's atmosphere 
d)
So it can be operated by astronauts 
34.
Why must Ultra-Violet observing be done in space?
a)
The ozone blocks most of the UV rays in the surface.
b)
It’s hard to know exactly where the ozone hole will be to find UV images
c)
It’s hard to use UV telescopes and radio telescopes together on the surface.
d)
It’s hard to use UV X-Ray telescopes and radio telescopes together on the surface
35.

Which bands of electromagnetic radiation are blocked from reaching Earth's surface by our atmosphere?

a)

visible light

b)

radio waves

c)

red light

d)

gamma rays

36.
Which of the following does the radiation from a star tell us?
a)
temperature
b)
motion
c)
composition
d)
all of these
37.

Which of these can solve the issue of atmospheric blurring?

a)

polishing the lens

b)

only using the telescope when it's a clear night

c)

putting the telescope in space

d)

putting the telescope underground

38.

What type of telescope can work 24 hours a day and even be used in the rain?

a)

Refracting Telescope

b)

Radio Telescope

c)

Newtonian Telescope

d)

Solar Telescope

39.
The type of light humans can see is called ___________ light.
a)
electromagnetic
b)
red
c)
white
d)
visible
40.
What type of telescope is this?
a)
Refractor
b)
Reflector
c)
Non-Optical
d)
X- Ray
41.
What type of telescope is this?
a)
Refractor
b)
Reflector
c)
Non-Optical
d)
X- Ray
42.

Which of the following is NOT a reason that most modern telescopes are reflectors?

a)

Lenses are difficult to manufacture

b)

Lenses are heavy and fragile

c)

lenses absorb light that passes through them

d)

Lenses require only 1 perfect surface

43.

Modern telescopes don't use film to capture images, instead they use:

a)

CCDs

b)

USBs

c)

HDDs

d)

CD-ROMs

44.

One of the issues created by the air surrounding us is:

a)

Interferometry

b)

Reflection

c)

Interference

d)

Atmospheric blurring

45.

Which of these would NOT solve the issue of atmospheric blurring?

a)

Active Optics

b)

Adaptive Optics

c)

Putting a telescope in space

d)

Putting a telescope underground

46.

What types of telescopes have to be placed in space? (Choose all that apply)

a)

X-ray Telescopes

b)

Gamma ray Telescopes

c)

Infrared Telescopes

d)

Radio Telescopes

47.

When you look at a galaxy that is 2 billion light years away, you see the galaxy as it was ___________ years ago.

a)

2 billion

b)

2 million

c)

zero

d)

20 billion

48.
If the collector is made 10 times wider, how much more light is collected?
a)
2 times more
b)
10 times more
c)
20 times more
d)
100 times more
49.
The ability to separate two objects that are very close together, is called the _____
a)
orientation
b)
attitude
c)
magnification
d)
resolution 
50.
In general the bigger the telescope's objective the better your _____
a)
resolution
b)
magnification
c)
attitude
d)
orientation
51.
Photographs allow us to see fainter objects by taking long _____
a)
wavelength
b)
exposures
c)
body tubes
d)
frame rates

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