1
Q
t/f: is mars farther away from the sunn relative to the earth
A
true
2
Q
t/f: the earth orbits west ward around its axis
A
false
3
Q
t/f: orion constellation can be seen from calagry
A
true
4
Q
t/f: the star betelgeuse is among the stars of pisces
A
false
5
Q
t/f: edwin hubble was the first to measure the age of the universe
A
true
6
Q
t/f: eratosthense measures the radius of the earth for the first time
A
true
7
Q
t/f: the moon does rotate around its axis
A
false
8
Q
t/f: one nanometere is a larger length than one meter
A
false
9
Q
t/f: at sunrise a full moon can be seen at west direction
A
true
10
Q
t/f: nadir is the oppiste of zenith with respectt to horizon of an observer on earth
A
true
11
Q
t/f: a star with apparent visual magnitude of -6.0 is visable yo the naked eye at night
A
true
12
Q
t/f: the earth is about 4.6 billion years
A
true
13
Q
t/f:for an observer in calgary the zenith runs through the north clestial pole
A
false
14
Q
t/f: a planet of 2 au has a period of revolution of about 2.8 years around the sun
A
true
15
Q
t/f: summer solstice is on june 21st
A
true
16
Q
t/f: tyco crater is on the moon of earth
A
true
17
Q
t/f: the thickness of the crust of earth is on average 70 km
A
true
18
Q
t/f: hydrogen atom only has one electron
A
true
19
Q
t/f: venus does not have a atmosphere
A
false
20
Q
t/f:as of 2025 only 58 exoplanets have been confirmed
A
false
21
Q
t/f: the atmosphere we breathe today is earths primary atmosphere
A
false
22
Q
t/f: meteor showers are periodic events
A
true
23
Q
t/f: so far twenty astronauts have been on the moon
A
false
24
Q
t/f: the thickness of the atmosphere of the earth is about 1000km
A
false
25
t/f: the kuiper belt is between jupiter and mars
false
26
t/f: the sun formed at the same time as the planets in our solar system
false
27
t/f: jwst orbits the sun
true
28
t/f: planet mars is among the jovian planets
false
29
t/fL atoms heavier than helium formed in successive generations of stars
true
30
t/f: eight planets in our solar system are revolving around the sun
false
31
what is the number 3.56 x 10(-4) is equivalent
0.000356
32
how many days does it take for the moon to rotate on its axis
27.3 days
33
based on documents from ancient astronomers who propsed the geo-centric model of the universe
Ptolemy
34
the sun crosses the celestial equator going southward at a time called the
autumnal equinox
35
when you observe a star on the celestial equator for a period of time which way does it move
moving eastward to west relative to the horizon
36
Ptolemy created a mathmatical model of the universe in which a planet followed a small circle around the epicycle the center of which moved around a larger cirlce called the deferent. this was done...
to justify retrograde motion of the planets
37
a solar eclipse happened on august 22st 2021 following the saros pattern you can estimate that another solar eclipse can happen on..
september 2nd, 2039
38
the best unit to measure the size of a planet in the solar system is
km
39
calgary has a latitude of about
52 degrees
40
how far is earth from mars
the distance varies
41
on the surface of planet venus the sun rises in the ... and sets in the ...
rises in the west and sets in the east
42
according to solar nebula theory planetary development the solar system began with
the growth of dust grains
43
in our solar system how far away is the ice line from the sun
3 au
44
in 2008 the hubble space telescope found the first evidence of carbon-based molecules in a planetary system why is this discovery important
they are a part of the basic chemistry for life
45
which radioactive isotope is a good candidate for dating the samples in our solar system
potassium-40
46
from 4 hypothesis that explain how the moon has formed which one is widely accepted
the large impact hypothesis
47
how is the presence of the asteriod belt accounted for by the solar nebula theory
the asteriod belt is left over material from the early solar system that never formed into a planet
48
which gas was not in the primary atmosphere of the earth
helium
49
manicouagan impact crater is located in which province
quebec
50
the two most abundant elements in the solar nebula are
hydrogen and helium
51
the avergae density of earths core is
8000kg/m3
52
the short period comets orbiting the sun usually orginate in..
the kuiper belt
53
a display of meteors that appear to come from one point in the sky is called a..
meteor shower
54
A planet X in the solar system rotates around its axis once every 38 hours while it take 160 Earth’s day
to revolve once around the Sun. For an observer on this planet, how many times the Sun rise in one
year?
about 100 times
55
which choice gives the correct order of jovian planets farthest to closest to the sun
neptune, uranus, saturn, jupiter
56
how far is the ice line from the sun
2 au
57
which one of jupiters moons was not observed by galileo for the first time
callisto
58
what could be the reason for the existence of a asteroid belt between jupiter and mars
the gravitational influence of jupiter prevented planet formation
59
which one of the terrestrial planets has the lowest mass density
mars
60
why can't liquid water survive on mars
the air pressure is too low
61
which one of the terrestrial planets has the lowest amount of C02 in the atmosphere
mercury
62
about 2 billion years ago plants on earth began to rapidly produce ... via a process called ...
oxygen and photosynthesis
63
what does earths magnetic field demonstrate
parts of earths core must be liquid metal
64
on titans surface one of the moons of staurn is mainly composed of ...
ices of methane
65
what is the roche limit
the minimum distance between a planet and a satellite that can hold itself together by its own gravity
66
the only moon in the solar system that has its own magnetic field is
ganymede -- largest moon in the solar system and one of jupiters moons
67
how do particles in saturns rings orbit the planet
in the plane of the planets equator outside the roche limit
68
why does the jupiter moon europa have so few impact craters
it has a young surface so it earses craters as they form
69
what would happen if earth's moon was tidally locked
the moon appears at one fixed location in the sky
70
what is the density of water
1000kg/m3
71
why is ceres not considered a planet
it orbits with the asteriod belt
72
what is the fission hypothesis
earth's moon was broken off from a fast rapidly spinning proto earth
73
what is unusal about mercury
it has a exceptionally large core for its size
74
what happens to the sun because venus rotates backwards
the sun rises in the west and sets in the east
75
what are saturns rings composed of
ice and rocky particles
76
how old is the moon
roughly 4.6 billion years old
77
what are two main conditions that a planet should have to generate a magnetic field around itself
1) a planet must possess a large liquid interior region--such as molten
2) Rapid rotation a planet must spin fast enough to create the necessary convection
78
considering the terrestrial planets explain how does the internal how affect the overall look of the planets surface
internal heat implies a active core / younger surface meaning that the planet is able yo repair itself because the core will heal itself over using differentiation and tectonic plate movements
79
what is the concept of a light curve when finding exoplanets of a planetary system with one planet
light curves are a measurement of the amount of light produced by a star over time and can be used to determine properties properties of transiting objects that might indicate the existence of a exoplanet
80
how does a light curve look if two exoplanets are different sizes
there is a series of brightness when a exoplanet is in front of a host star the star momentarily dims and we see a dip in its light curve
81
what is HST
the Hubble space telescope is a large space launched observatory launched by Nasa in the 1990s it observes the universe in multiple wavelengths of light
82
what is differentation
the process where a young molten planetary body separates into layers based on density and how a planet is composed of a multiple layered structure
83
what is the Oort cloud
a theoretical giant spherical shell surrounding our solar system it is composed of billions of icy comet like objects or planetestimals
84
what is retrograde motion of a planet as seen from earth
retrograde motion happens from our view when we see a planet travelling west to east stopping going back to west then going eastward this happens because mars for example cannot keep up with earth leading us to see mars in retrograde more often but we can only see retrograde in relation to background stars
85
what are the three groundbreaking discoveries by Galileo that supported the helio-centric model of the universe
the book he wrote named the starry messenger helped support the helio-centric model 1) the moon has craters and mountains and showing that the moon rotates around the sun because these mountain's shadows changed position with the sun
2) the planet Venus showed a changing crescent like the moon which could only be if we rotated around the sun
3) As Jupiter's moons revolves around the planet is shows how they rotate to a central x-axis showing how tethering and a gravitational pull works
86
what is a synodic month
the average 29.53 day period it takes for the moon to complete a full cycle of phases from new moon to new moon
87
what is a parallax
the apparent shift i position of a nearby star against a distant background of objects caused nu the change in an observers viewpoint as the earth orbits the sun
88
what is a full moon
the lunar phase that occurs once a month when the earth, sun, and moon are in a line and earth is between the other two the sun fully illuminates the side of the moon we can see from the earth
89
why does the earth's moon only show one face to us
because of the phenomenon called tidal locking where the moon's rotation period matches it orbit period of earth
90
what are the primary and seconadry atmosphers of earth
earth's primary atmosphere was a short lived period where the atmosphere was mainly composed of hydrogen and helium captured from the surrounding solar nebula
earth's secondary atmosphere which is our current atmosphere is composed of water vapor, carbon dioxide, nitrogen
91
what is Kepler's third law
the squares of the orbital periods of the planets are directly proportional to the cubes of the semi-major axis of their orbits this implies that the period from a planet to orbit the sun increases rapidly with the radius of its orbit
---------------------------------------------------------------------------------------------
Planets= P
Acceleration or semi major axis = A
P(2) = A(3)
Jupiter for example - revolution AU around the sun is 5.2 AU
5.2(3)
= 140.6
sqaure root -140.6
= 11.8
92
what is albedo
a measure of how much sunlight or solar radiation a surface reflects rather than absorbs
93
what is solar nebula theory
a widely accepted theory explaining how our solar system was formed 4.6 billion years ago from a spinning cloud of dust that flattened into a protoplanetary disk and eventually became our solar system
94
what is a habitable zone around a star
often called the goldilocks zone it is hypothetical region around a star where the conditions are just right to be considered potentially habitable
