CERN - Dark Secrets of the Universe

20 terms by usscience11 

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astronomer

[Definr]a physicist who studies stars and galaxy

galaxy

[Definr]a collection of star systems, any of the billions of systems each having many stars and nebulae and dust

void

[Definr]The ratio of the volume of void space to the volume of solid substance in any material consisting of void space and solid material, such as a soil sample, a sediment, or a powder.

cosmological

[Definr]pertaining to the branch of astronomy dealing with the dynamics of universe.

astrophysical

[Definr]he branch of galaxy and stars that deals with the physics of stellar phenomena.

radiation

[Definr]the physical phenomenon of radiating energy in the form of waves or particles

dark matter

[CERN]Only 4% of the matter in the universe is visible. The rest is known as....

dark energy

[Definr]A mysterious force that appears to be causing the expansion of the universe to accelerate

evolution

[Definr]a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)

intrigue

covert and involved plotting to achieve your ends.

hitherto

used in negative statement to describe a situation that has existed up to this point or up to the present time

density

a measure of the amount of matter contained by a given volume

super symmetric

[Dictionary.com]a theory that predicts the existence of heavy to all known particles. it will be tested in the LHC

hypothesize

[Dictionary.com]forming a question

vacuum

[Dictionary.com]a space entirely devoid of matter; a state of lowest energy in a quantum field theory

homogeneous

[Dictionary.com]the same or similar kind of nature

repulsive

[Dictionary.com]Physics The tendency of particles or bodies of the same electric charge or magnetic polarity to separate.

expansion

[Dictionary.com]act of increasing (something) in size, volume, quantity or scope

hubble law

[Dictionary.com]generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer

acceleration

[Dictionary.com]the rate of speed;increase of speed

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