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Astronomy Unit Review Flashcards | StudBud
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Astronomy Unit Review
Astronomy Unit Review
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1
What is the name of the graph?
The coloured dots one
Hurts-Russeling
HR
Hertzprung-Russell
2
What theory explains how the solar system was formed?
Law of Universal attraction
Protostar Theory
Nebular Theory
Kepler's Laws
3
What axis does the dependent variable go on?
Y
x
4
Which statement is explained by Kepler's 1st law?
Venus has a higher average temperature than Earth
The Sun is located at one focus, off-center from the middle of the orbit
Venus is closer to the sun and orbits faster than Earth orbits the Sun
Neptune moves faster when it is closer to the Sun than when it is farther
5
What determines if a High Mass star becomes a black hole or a neutron star?
Gravity
All of the above
Mass
Distance
6
The graph shows the velocity and distance of a few galaxies. What is true about the graph?
Galaxy MACS0647-JD is further away than the Andromeda galaxy
Both B and C
Andromeda galaxy is further away from the Galaxy MACS0647-JD
The velocity of the Andromeda galaxy is greater than Galaxy MACS0647-JD
7
Who discovered that galaxies are constantly moving further apart?
Isaac Newton
Edwin Hubble
Tycho Brahe
Johannes Kepler
8
The stages of the life cycle of a low mass star like our sun....
Main sequence Red giant White dwarf Black dwarf Protostar
Nebula-Protostar-Main sequence-Red giant-planetary nebula-White/Black Dwarf
Protostar Main sequence Red giant Black dwarf White dwarf
Main sequence Protostar White dwarf Red giant Black dwarf
9
What does Kepler’s 3rd law deal with?
The speed/area the planet travels
Origin of the Universe
The length of time it takes the planet to orbit the sun
The shape of the planets' orbits
10
The farther away a galaxy is from us, the faster it travels away from us
Cosmology
Big Bang theory
Hubble's law
Doppler effect
11
The study of the origin and development of the universe
Doppler effect
Cosmology
Big Bang theory
Hubble's law
12
What is true about a Nebula?
A and B (Red and Blue)
They are often called dirty snowballs
They are a giant cloud of dust and gas
They are thought to be where solar systems and stars are born
13
_______is when there is a stable balance of outward pressure from nuclear fusion and gravitational forces pushing inward
Thermodynamic equality
Thermodynamic equilibrium
Balanced
Heat equality
14
Convert the following number into scientific notation: 456.3 miles
0.4563 x 10^3
4.563 x 10^2
4.563 x 10^-2
45.63 x 10^2
15
What is the correct format for a graph title?
The effect of IV on DV
The effect of DV on IV
How does the IV change?
How does the DV change?
16
The life cycle of an massive star is...
Nebula-protostar-Main Sequence-Red Supergiant-Supernova-Black Hole
Nebula-Main Sequence-Red Giant-Supernova
Nebula-protostar-Main Sequence-Red Supergiant-Supernova-Nuetron Star
Nebula-Supernova-Red Giant-White Dwarf
17
HOW does Kepler’s 2nd law work?
A planet moves faster when near the Sun, and slower when far away Area=Time
A planet moves slower when near the Sun, and faster when far away
The planet’s speed doesn’t change as it gets closer to the sun
A and C (Red and Yellow)
18
A redshift means that the wavelength is ...
Moving towards at a lower frequency
Moving towards at a higher frequency
Moving away at a lower frequency
Moving away at a higher frequency
19
The terrestrial planets include ...
All of the planets in the solar system
The four planets in the middle
The four planets closest to the sun
The four planets farthest from the sun
20
A fly lives 1.2 years. How long is that in hours?
(1 year = 52 weeks, 7 days = 1 week, 1 day = 24 hours) use DA
5,241
10
11,222
10,483
21
An increase or decrease in the frequency of waves as the source and observer move toward or away from each other.
Hubble's law
Cosmology
Big Bang theory
Doppler effect
22
There was an infinitely small, infinitely dense point that contained everything that is the universe
Hubble's law
Doppler effect
Cosmology
Big Bang theory
23
What is a light year?
The distance that sound travels in one year
The average distance of the orbit of the Earth around the Sun
Roughly the distance from Earth to the Sun
The distance that light travels in one year
24
Convert 444 ml to liters
.00444
4.44
.000444
.444
25
What is a possible location for a Sun?
A
B
D
C
26
What two factors effect the strength of a gravitational force?
Acceleration and Force
Mass and Distance
Mass and Weight
Density and Distance
27
Mercury is 3.8 x 10^-1 AU from the sun. How is that written in standard notation?
0.38 AU
3.8 x 10^-1 AU
0.038 AU
3.8 AU
28
Which are the hottest stars on the H-R Diagram?
White Stars
Blue Stars
Red Stars
Yellow Stars
29
The gas giants include ...
The four planets farthest from the sun
The four planets in the middle
The four planets closest to the sun
All of the planets in the solar system
30
The distance between this planet and the sun is approximately 1.0 AU.
Asteroid
Mars
Venus
Earth
31
A blue shift means that the wavelength is...
Moving towards at a higher frequency
Moving towards at a lower frequency
Moving away at a lower frequency
Moving away at a higher frequency
32
Where on the H-R Diagram do you find the brightest stars?
The Right
The Left
The Bottom
The Top
33
What axis does the independent variable go on?
Y
x
34
Which of the following is a characteristic of stars?
Spectra
Luminosity
Composition
All of the above
35
What is eccentricity?
Movement of a planet around the sun
One full revolution around the sun
How elliptical an orbit is
The spinning of the planet on its axis
