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Astrophysics Review Game
Astrophysics Review Game
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1
The Drake Equation is stated as...
N = R · fp · ne · fl · fi · fc · L
L = R · fp · ne · fl · fi · fc · N
N = fp · ne · fl · fi · fc
R = N · fp · ne · fl · fi · fc · L
2
When determining the orbital velocity of a satellite, the mass of the object...
is not included in the equation
is multiplied by G and divided by the radius
is divided by the mass of the planet
is added to the mass of the planet
3
The Drake Equation attempts to predict the existence of advanced civilizations using...
Einstein's Theory of Special Relativity
images gathered by the Hubble Telescope
a series of increasingly restrictive fractional values
video footage obtained near Area 51
4
What is the temperature necessary to start nuclear fusion?
15 billion Kelvin
10 million Kelvin
15 million Kelvin
10 billion Kelvin
5
A stream of charged particles is blown off of the star from this layer.
ion zone
solar wind
corona
photosphere
6
His theory of two-dimensional space & time changed the way we view the universe.
Brian Greene
Ed Witten
Isaac Newton
Albert Einstein
7
This force bonds atoms together, preventing objects from falling into the center of the planet.
weak nuclear
gravity
strong nuclear
electromagnetism
8
The Greek's observed wanderers with 'stop-and-go' motion following this pattern in the sky.
loop quantum rotation
uniform circular motion
retrograde motion
orbital velocity motion
9
Kepler's 2nd Law of planetary motion states that...
all orbits are on a plane
orbits are in the shape of an ellipse
equal areas are swept out in equal time
equal perimeters are swept out in equal time
10
When a protostar begins nuclear fusion, what happens to its luminosity and surface temperature?
they both go down
they both go up
luminosity goes up & temperature goes down
luminosity goes down & temperature goes up
11
He is the modern physicist who turned 5 different string theories into 1.
Brian Greene
Ed Witten
Karl Schwarzschild
Leonard Susskind
12
This force is responsible for holding protons and neutrons together inside an atom's nucleus.
electromagnetism
weak nuclear
gravity
strong nuclear
13
All main sequence stars will grow into a red giant when...
Helium starts to form outside the core
Iron starts to form outside the core
Carbon starts to form outside the core
Hydrogen starts to form outside the core
14
In this layer, hot hydrogen rises and less hot hydrogen sinks creating currents of gas.
radiation zone
convection zone
transition zone
chromosphere
15
Jupiter is an example of a...
protostar
brown dwarf
white dwarf
red giant
16
Dangerous ultraviolet radiation from the star is sent out from this layer.
photosphere
solar wind
transition zone
chromosphere
17
This weakest of the four natural forces is responsible for falling apples and orbits.
weak nuclear
gravity
strong nuclear
electromagnetism
18
Newton proposed that the strength of gravity between any two bodies can be solved as follows...
Fg = m1 m2 / d2
Fg = G d1 d2 / m2
Fg = G m1 m2 / d
Fg = G m1 m2 / d2
19
A black hole will warp the fabric of spacetime so much that...
it will tear and create a wormhole
light will be pushed out
a big bang will occur
not even light will escape
20
This layer makes up most of the star's volume and pushes the new energy outward.
chromosphere
radiation zone
solar wind
convection zone
21
The value of
g
on a given planet or moon is...
~mass2 & ~1/(radius)
~1/(mass)2 & ~radius
~mass & ~1/(radius)2
~1/mass & ~radius2
22
What will happen to the luminosity and surface temperature when a star grows into a red giant?
luminosity goes down & temperature goes up
they both go down
they both go up
luminosity goes up & temperature goes down
23
The famous scientist Enrico Fermi pondered...
the flaws of Frank Drake's equation
how we could be alone in such a vast universe
whether or not aliens have visited Earth
the chance of life existing on Mars
24
What is the equation to determine the number of Joules released in nuclear fusion?
E = ½ m v2
Fg = G m1 m2 / d2
E = m c2
Fc = m v2 / r
25
SETI uses these to scan the night sky looking for extraterrestrial signals.
radio telescopes
infrared scanners
ultraviolet filters
video cameras
26
Observing one of these disappearing from the universe would help support string theory.
sparticle
gluon
graviton
photon
27
This layer of the star is responsible for emitting visible light.
transition zone
chromosphere
corona
photosphere
28
Ed Witten's theory that unified the 5 string theories is know as...
General Relativity
Special Relativity
W-Theory
M-Theory
29
When a giant turns into a white dwarf what happens to the luminosity and surface temperature?
luminosity goes down & temperature goes up
luminosity goes up & temperature goes down
they both go down
they both go up
30
The organization that uses scientific methods to search for alien life is know as...
Alien Hunters
NASA
RADAR
SETI
31
This force, created by us, keeps an object moving in uniform circular motion.
gravitational force
centripetal force
centrifugal force
velocity force
32
This is the number, with units, that is used as a constant in formulas that deal with gravity.
6.67 x 10-11 N·kg2/m2
6.67 x 1011 N·m2/kg2
6.67 x 10-11 N·m2/kg2
6.67 x 1011 N·kg2/m2
33
After a supernova, the corpse of the star will be made of a tiny, dense ball of...
neutrons
protons
electrons
gravitons
34
Stars that are undergoing Hydrogen fusion are located where on the Hertzsprung-Russell Diagram?
red giants
main sequence
supergiants
white dwarves
35
This famous astronomer analyzed massive amounts of data develop three laws of planetary motion.
Tycho Brahe
Galileo Galilei
Johannes Kepler
Edwin Hubble
36
This is the inner most layer of the star where nuclear fusion takes place.
photosphere
corona
core
radiation zone
37
Around 100 AD this Greek scientist developed a model of geocentrism that stuck for centuries.
Ptolemy
Aristarchus
Nicolaus Copernicus
Tycho Brahe
38
All objects on Earth will accelerate toward the ground at this rate (
ignoring air resistance
).
9.8 m/s
6.67 x 10-11 m/s2
6.67 x 10-11 m/s
9.8 m/s2
39
A white dwarf forms when fusion stops and the core is unable to fuse beyond...
Hydrogen
Carbon
Helium
Iron
40
What in the field of quantum mechanics first unified electromagnetism and the 2 nuclear forces?
General Relativity
The Standard Model
Special Relativity
M-Theory
41
For an object moving in uniform circular motion, the velocity and force vectors are always...
parallel to each other
perpendicular to each other
pointing exactly opposite to each other
equal in value
42
String theory suggests that we might all be living on one these in a higher dimension of space.
quark
sparticle
membrane
graviton
43
The equation to determine the velocity of a satellite in orbit is as follows...
vo = √ ( r / G mp )
vo = √ (G mp / r2)
vo = √ (G r / mp )
vo = √ (G mp / r)
44
When a massive star forms an Iron core, it will eventually...
revert back to the main sequence
shrink into a white dwarf
go supernova
begin nuclear fusion
45
This scientist developed the equations for universal gravitation that we still use today.
Johannes Kepler
Isaac Newton
Albert Einstein
Galileo Galilei
46
This is the force of radioactive decay, allowing neutrons to turn into protons and vice versa.
electromagnetism
strong nuclear
weak nuclear
gravity
47
Kepler's 3rd Law of planetary motion can be written as this equation.
(T1/T2)3 = (a2/a1)2
(T1/T2)2 = (a2/a1)3
(T1/T2)2 = (a1/a2)3
(T1/T2)3 = (a1/a2)2
48
People who say that there are extra dimensions are considered crackpots or people who are...
apples
bananas
pomegranates
strawberries
49
This man was arrested when he proved that we live in a heliocentric solar system.
Tycho Brahe
Isaac Newton
Albert Einstein
Galileo Galilei
50
Simple nuclear fusion involves combining...
2 hydrogens to yield 2 heliums
4 hydrogens to yield 2 heliums
4 hydrogens to yield 1 helium
2 hydrogens to yield 1 helium
51
This modern physicist is the author and narrator o
f The Elegant Universe.
Leonard Susskind
Ed Witten
Karl Schwarzschild
Brian Greene
