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Astronomy Unit 1
Astronomy Unit 1
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Unit 1 Astronomy
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What describes the time it takes the Moon to complete one full orbit of 360° around the Earth?
Year
Solar Month
Lunar Month
Sideral month
2
The ecliptic is best described as a(an)
solid sphere
plane
square
hollow sphere
3
This "Father of Astronomy" was the first to put forth a heliocentric model of the universe.
Copernicus
Galileo
Brahe
Newton
4
You can use Ursa Major to find which of the following objects.
Polaris
Spica
Pegasus
Orion
5
Earth's tilt is
26 1/2°
90°
13 1/2°
23 1/2°
6
Over what place on Earth is the Sun on the Autumnal equinox?
London
the South Pole
the equator
the North Pole
7
Where are the stars located with respect to the ancient astronomer's Celestial Sphere?
beyond the outside surface of thesphere
on the inside surface of the sphere
at the center of the sphere
between the inside surface of the sphere and itscenter
8
What is the term that describes changes in the direction in which the Earth’s axis of rotation?
Equatorial bulge
Gravitation
Perpendicular
Precession
9
In which of the following phases do we see half of the moon's dark side?
new moon
full moon
waning gibbous
first quarter
10
During a total solar eclipse, which of the following occurs?
the Moon passes just outside the Earth's umbra
the moon moves through the Earth's umbra
the Moon's umbra just misses the Earth
the moon's umbra touches the earth
11
True or False: Constellations look the same from everywhere in the galaxy.
False
True
12
The spinning of the Earth is called:
prograde motion
rotation
revolution
retrograde motion
13
His three laws of motion are the cornerstone of modern physics.
Halley
Copernicus
Galileo
Newton
14
How long is the average solar day?
23 hours, 56 minutes
24 hours, 4 minutes
24 hours
12 hours
15
When you are facing Polaris you are…
…facing directly south
…looking at the “Big Dipper”.
…facing directly north.
…looking at the brightest star in the sky.
16
How many astronomical zodiac constellations are there?
52
88
13
12
17
Carl Sagan was responsible for the gold record on which of the following spacecraft?
Eagle
Rosetta
Voyager
Opportunity
18
How long does it take the Earth to orbit the Sun?
one year
one sidereal day
one hour
one month
19
During what phase does a solar eclipse occur?
new
first quarter
full
waning crescent
20
How many months apart are Winter Solstice and the Vernal Equinox?
4 months
3 months
1 month
6 months
21
What is the name for the part of a shadow that only blocks some of the light from the Sun?
Corona
Umbra
Eclipse
Prenumbra
22
How many astronomical constellations are there in use today?
12
13
88
110
23
Their calendar famously ended on December 21, 2012
The British
The Incas
The Mayans
The Apache
24
True or False: Polaris will not always be the pole star.
False
True
25
True or False: Eclipses occur at every new and full Moon
False
True
26
If you went out at night and every star rose and set, except for Polaris, where would you be?
The South Pole
45% north latitude
The North Pole
The equator
27
The Autumnal Equinox occurs on which date?
March 21st
December 21st
June 21st
Sept 21st
28
What type of motion leads to stars rising approximately 4 minutes earlier each day?
The Sun’s rotation
Earth’s rotation
Earth’s revolution
The Sun’s revolution
29
What is the name given to the path of the Earth as seen from the Sun?
Solstice
Equinox
Celestial equator
Ecliptic
30
True or False: Every star in the night sky,regardless of your location, will rise and set.
False
True
