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Enter an answer into the box. If you complete it, CONGRATS! (Check also: http://www.jetpunk.com/user-quizzes/102600/solar-system-planets-quiz)
Last updated: January 4, 2017
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May 4, 2014
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Highly magnetized rotating neutron star that emits a beam of electromagnetic radiation.
Spiral galaxy approximately 2.5 million light-years from the Milky Way. In the future may form a giant galaxy with the Milky Way.
Geometric theory of gravitation published by Albert Einstein in 1916.
Jupiter's moon hypothesized to have a water ocean beneath its surface that could support life.
The most common element on Earth, forming much of its core.
Which conic section is the shape of a planetary orbit?
Type of stellar remnant that can exist for trillions of years and will be the fate of the Sun.
Satellite of Jupiter and the largest moon in the Solar System. May have layered oceans beneath its surface.
Type of matter hypothesized to account for 27% of the total mass–energy of the known universe.
Particle physics theory concerning the electromagnetic, weak, and strong interactions of the known subatomic particles.
Subatomic particle with no electric charge and with a mean lifetime of 15 minutes (when free).
Hypothetical topological feature of spacetime that would fundamentally be a "shortcut" through spacetime.
Electrically neutral, weakly interacting elementary subatomic particle.
Ripples in the curvature of spacetime that propagate as a wave.
The force carrier for the electromagnetic interaction.
Boundary around a black hole beyond which events inside it cannot affect an outside observer.
Which planet is about 2.3 light-minutes distance from earth?
Natural science conducted in order to understand how the universe behaves.
Extremely luminous burst of radiation of a dying massive star.
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.
The most energetic and distant members of a class of objects called active galactic nuclei.
Astronomer known for showing that the recessional velocity of a galaxy increases with its distance from the earth, implying the universe is expanding.
Unit of energy, work, or amount of heat in the International System of Units, with symbol J.
Red supergiant of the constellation of Orion that is predicted to explode in a supernova in the near future.
Extremely high frequency electromagnetic radiation.
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.
Subatomic particle with a positive electric charge and composed of 2 up quarks and 1 down quark.
Theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings.
Planet whose mass is 2.5 times that of all the other planets in the Solar System combined.
Elementary particle responsible for the mechanism that gives mass to some other fundamental particles.
The third-most abundant element in the universe.
As of 2014 is the largest and most complex experimental facilitiy ever built.
Large Hadron Collider
Physical constant that is the quantum of action in quantum mechanics.
What is the wavelength of the cosmic background radiation?
Which planet as an orbital period of about 88 Earth days?
Radiation that is predicted to be released by black holes, due to quantum effects near the event horizon.
A measure of a thermodynamic system's disorder, or a measure of progressing towards thermodynamic equilibrium.
Elementary particles that combine to form composite particles called hadrons, the most stable of which are protons and neutrons.
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.
May 5, 2015
Great quiz!lost 5 answers.could have made questions on black holes,Chandrasekhar limit,clusters.BEST SPACE QUIZ BUD!
May 5, 2015
I also made a quiz on space.please check but yours is better
May 8, 2015
I made that quiz.I put that on his account
Dec 24, 2018
could hadron collider be accepted ( and I typed beetelgeuse, not the exact spelling, but perhaps close enough to be accepted?) And I typed quasar as a guess for antoher question, but not the right one sigh. (same with proton). Still 27/30 pleased with that
Dec 28, 2018
"Lambda" should also be accepted in place of the Cosmological Constant. This is standard in modern cosmology textbooks.
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