Statistics for Astrophysics Quiz

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This quiz has been taken 1,723 times
(1,681 since last reset)
The average score is 23 of 39

Answer Stats

Hint	Answer	% Correct
Spiral galaxy approximately 2.5 million light-years from the Milky Way. In the future may form a giant galaxy with the Milky Way.	Andromeda	92%
The most common element on Earth, forming much of its core.	Iron	86%
Type of matter hypothesized to account for 27% of the total mass–energy of the known universe.	Dark matter	83%
Which planet is about 2.3 light-minutes distance from earth?	Venus	81%
Geometric theory of gravitation published by Albert Einstein in 1916.	General Relativity	78%
Planet whose mass is 2.5 times that of all the other planets in the Solar System combined.	Jupiter	77%
Which planet as an orbital period of about 88 Earth days?	Mercury	75%
Boundary around a black hole beyond which events inside it cannot affect an outside observer.	Event Horizon	74%
Extremely luminous burst of radiation of a dying massive star.	Supernova	74%
Hypothetical topological feature of spacetime that would fundamentally be a "shortcut" through spacetime.	Wormhole	74%
Highly magnetized rotating neutron star that emits a beam of electromagnetic radiation.	Pulsar	73%
Jupiter's moon hypothesized to have a water ocean beneath its surface that could support life.	Europa	72%
Unit of energy, work, or amount of heat in the International System of Units, with symbol J.	Joule	72%
Type of stellar remnant that can exist for trillions of years and will be the fate of the Sun.	White dwarf	70%
Nuclear reaction in which two or more atomic nuclei collide at a very high energy and join to form a new type of atomic nucleus.	Nuclear Fusion	69%
Subatomic particle with no electric charge and with a mean lifetime of 15 minutes (when free).	Neutron	68%
Subatomic particle with a positive electric charge and composed of 2 up quarks and 1 down quark.	Proton	66%
Satellite of Jupiter and the largest moon in the Solar System. May have layered oceans beneath its surface.	Ganymede	65%
Natural science conducted in order to understand how the universe behaves.	physics	64%
Theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings.	String theory	64%
Extremely high frequency electromagnetic radiation.	Gamma ray	61%
English physicist and mathematician who is widely recognised as the most influential scientist of all time and as a key figure in the scientific revolution.	Isaac Newton	60%
The third-most abundant element in the universe.	Oxygen	60%
Which conic section is the shape of a planetary orbit?	Ellipse	59%
Elementary particles that combine to form composite particles called hadrons, the most stable of which are protons and neutrons.	Quarks	52%
Radiation that is predicted to be released by black holes, due to quantum effects near the event horizon.	Hawking radiation	50%
Red supergiant of the constellation of Orion that is predicted to explode in a supernova in the near future.	Betelgeuse	46%
Astronomer known for showing that the recessional velocity of a galaxy increases with its distance from the earth, implying the universe is expanding.	Edwin Hubble	46%
A measure of a thermodynamic system's disorder, or a measure of progressing towards thermodynamic equilibrium.	Entropy	45%
Electrically neutral, weakly interacting elementary subatomic particle.	Neutrino	45%
Ripples in the curvature of spacetime that propagate as a wave.	Gravitational waves	43%
Elementary particle responsible for the mechanism that gives mass to some other fundamental particles.	Higgs boson	42%
The force carrier for the electromagnetic interaction.	Photon	40%
As of 2014 is the largest and most complex experimental facilitiy ever built.	Large Hadron Collider	39%
The most energetic and distant members of a class of objects called active galactic nuclei.	Quasar	34%
Physical constant that is the quantum of action in quantum mechanics.	Planck constant	30%
What is the wavelength of the cosmic background radiation?	Microwave	26%
Particle physics theory concerning the electromagnetic, weak, and strong interactions of the known subatomic particles.	Standard Model	24%
Mathematical term in the Einstein equations for general relativity that accounts for a expanding universe. It is the value of the energy density of the vacuum of space.	Cosmological constant	21%