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DARK MATTER
(educational purposes)
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1. DARKMATTER
Darkmatterisamysteriousandelusive
substancethatpermeatestheuniverse,
making up a vast majority of its mass.
While invisible to our telescopes and
detectors, its presence is inferred through
its gravitational influence on visible matter.
Darkmatterconstitutesabout85%ofthe
universe’stotalmatter,vastly
outnumberingordinarymatter. Its
gravitational pull dictates the formation
and structure of galaxies. This makes it
crucial for understanding the universe’s
evolution and the distribution of galazies
across the cosmos.

2. FRITZ ZWICKY
Theconceptofdarkmatterwasfirst
proposed in the 1930’s by Swiss
astronomer Fritz Zwicky. He observed
discrepancies in the gravitational forces
within galaxy clusters, suggesting the
presence of unseen matter. Later,
American astronomer Vera Rubin’s
pioneering work on galaxy rotation
curves provided further compelling
evidence for dark matter’s existence. She
found that stars in the outer arms of
galaxies orbit the center much faster
than expected based on the visible
matter alone. This discrepancy can be
explained by the presence of a large
amount of dark matter surrounding the
galax.

3. PROPERTIES OFDARK
MATTER
Dark matter does not emit,
absorb, or reflect light, making
it invisible to traditional
observation methods. It
interacts weakly with regular
matter through the weak
nuclear force. Its gravitational
influence can affect the
motion of visible matter, such
as stars and gas clouds.

4. IMPLICATIONS OF
DARK MATTER
Understandingdarkmatteris
crucialforcomprehending the
universe’s structure, the formation
of galaxies, and the fundamental
laws of physics. It could also lead to
breakthroughs in our understanding
of dark energy and the ultimate fate
of the universe.

5. THESEARCHFORDARK
MATTERPARTICLES
Scientists have proposed various
theoretical particles to explain
dark matter, including weakly
interacting massive particles
(WIMPs) and axions. Numerous
experiments are underway to
directly detect dark matter
particles or observe their
interactions indirectly. These
include underground detectors
and particle colliders like the
Large Hadron Collider.

6. MEMBERS
Condez
Monderin
Cerebo
REFERENCE
•https://science.nasa.g
ov/universe/dark-
matter-dark-energy/
•https://home.cern/scie
nce/physics/dark-
matter
•https://www.britannic
a.com/science/dark-
matter
•https://www.space.co
m/20930-dark-
matter.html