Chapter 10 and 11 Flashcards
(82 cards)
1
Q
Light colored streaks around a lunar crater
A
Rays
2
Q
The only planet that takes longer to rotate on its axis than to orbit the sun
A
Venus
3
Q
The brightest summer star
A
Vega
4
Q
The center part of a coment
A
nucleus
5
Q
What star is found near Orion’s belt
A
Sirius
6
Q
Mors’s moon that orbits closer and more quickly
A
Phobos
7
Q
How do we know that the sun is spinning
A
movement of sunspots
8
Q
Why is Pluto a dwarf planet
A
Its gravity does not affect other objects
9
Q
The imaginary band in the sky
A
Zodiac
10
Q
What constellation is the Teapot asterism
A
Sagittarius
11
Q
A large, dense object that light can not escape from
A
Black hole
12
Q
A loose clump of stars
A
Open cluster
13
Q
The measurement based on the speed of light
A
Light year
14
Q
Space debris left by a comet
A
Meteoriod stream
15
Q
What planetary property does Kepler’s third law relate to
A
the period of a planet
16
Q
The most volcanically active body?
A
Io
17
Q
The bulging shape of the growing moon
A
Waxing gibbous
18
Q
Large clouds of gas and dust
A
Nebulae
19
Q
The asteroids that are in Jupiter’s orbit are called
A
Trojan asteroids
20
Q
Aristrole’s view of the universe
A
Geocentric
21
Q
Distance on the celestial sphere is measured as an?
A
Angle
22
Q
The planet discovered with math
A
Neptune
23
Q
A star like object, but is a black hole
A
Quasar
24
Q
Stellar parallax is measured from where?
A
The star
25
The most rapidly orbiting planet
Mercury
26
The first classified asteriod
Ceres
27
A small cool, and dim star
White dwarf
28
Why do we use solar observations to study the sun's transition region
It releases ultraviolet radiation
29
A rapidly roatting neutron star that emits beans of radio waves
Pulsar
30
The coldest Neptunian satellite
Triton
31
A star in the Summer Triangle
Altair
32
A small group of galaxies
Clump
33
What determines the brightness of a star
Temperature
34
When earth approaches aphelion
the orbital speed decreases
35
The idea that the solar system from from a cloud of gas and sut
nebular hypothesis
36
Saturn's moon that orbits the opposite direction
Phoebe
37
The "north star"
Polaris
38
How many planets were originally known
five
39
Who proposed a heliocentric view
Copernicus
40
A chunk of space debris that has reached earth's surface
Meteorite
41
The brightness of a star as viewed from earth
apparent magnitude
42
What defines a lunar month
Time for the moon to go through all of its phases
43
The color sequence of visible light
Visible spectrum
44
What is formed by ordering all types of electromagnetic waves by increases frequency and decreasing wavelength
Electromagnetic spectrum
45
What is the term for moving the clocks up one hour
summer time
46
What is the term for a satellites lowest position around the earth
Perigee
47
What orbit is perpendicular to the equator
polar orbit
48
The most fuel efficient way for spacecraft to move between orbits
Hohmann transfer orbit
49
What is it called when a satellite crosses the earth in the same spot every day
sun synchronous orbit
50
What instrument uses low frequency waves (Not light) to observe areas
Radio telescope
51
A Calander that uses the lunar year with an extra month in certain years to stay in step with the seasons
Jewish
52
A telescope that uses a large, curved mirror as the objective
Reflecting
53
The first type of spacecraft designed to be rused
space shuttle
54
The unit of time that is not based on the motion of a heavenly body
Week
55
An unmanned spacecraft launched specifically to explore the unknown
space probe
56
The first artificial object to orbit the earth
Sputnik 1
57
The two points at which a spacecraft must be traveling to leave Earth's gravity without using its rockets anymore
Escape velocity
58
The two points at which the apparent path of the sun crosses the celestial equator
Equinoxes
59
How do Earth observations satellites work
detecting different forms of electromagnetic radiation
60
Which type of satellites help defend countries against attack
Military
61
What type of satellites are the satellites are the satellites of the Global Positioning system
Navigational satellites
62
What was teh third nation to successfully launch a amanned spacecraft?
China
63
What was the first space station launched
Salut I
64
At what point in its orbit does an Earth orbiting satellite travel the fastest
When it is closet to Earth
65
What factor affects the lengths of the seasons
Distance to the sun
66
A.D. stands for
Anno Domini
67
A satellite stapys in orbit at the same point on the earth's surface
Geostationary
68
The suns northernmost and southernmost points on the ecliptic
Solstices
69
A combition of liquid chimicals that expand greatly when they react with each other is a
liquid fuel rocket
70
The narrow dark lines in a color spectrum from a prism
Absorption lines
71
A satellite that can detect radiation that cannon penetrate Earth's atmosphere
Astronomical satellite
72
Any activity performed by an astronaut outside a spacecraft is
EVA
73
The first person to travel in space
Yuri Gagarin
74
The first American to orbit the earth
John Glenn
75
The first Chinese astronaut
Yang Liwei
76
The fother of modern rocketry
Robert Goddard
77
The first human being to set foot on the moon
Neil Armstrong
78
If the frequency of a sample is lower what can be concluded?
The star is traveling away from earth because its spectrum is redshifted
79
What is the main difference between reflecting and refracting telescopes
Reflecting uses mirrors
80
WHy a solar and sidereal day are not the same length
The length of the solar day depends on teh sun's poisiotn on the ecliptic
81
What direction would someone in London have to look to see Betelgeuse
South because Betelgeuse is near the celestial equator
82
At an altitude of 800km, a satellite is moving at 26,500 kmh. The other side of the orbit is moving at 28,000 kmh. What can you determine about the satellite's altitude at this point?
It is lower than 800 km because the satellite sped up
