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100% Outer Space
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Adrian Price-Whelan
March 13, 2015
Science
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160
100% Outer Space
"Public outreach"
Adrian Price-Whelan
March 13, 2015
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Transcript
DARK MATTER @adrianprw adrian price-whelan
I’m an astrophysicist Hi
what you think I do
what you think I do
what I really do
None
DARK MATTER ~80% of the matter in the universe
NO IDEA we have wtf is going on and
i’m a scientist trust me trust me i’m a scientist
why do we think it’s real?
1) stars don’t move like we’d expect
* not to scale Earth 1 year 2π x 1
AU speed = 1 AU (Astronomical Unit)
* not to scale Mars 1.9 year 2π x 1.5
AU speed = 1.5 AU
* not to scale Jupiter 5.2 AU
Speed Distance from Sun
None
None
Speed Distance from Galactic center we expect…
Speed Distance from Galactic center we observe
None
10-100x more dark matter than ordinary matter
None
None
2) gravitational lensing
None
None
None
Galaxies are surrounded by DARK MATTER “HALOS”
you will burn in hell
None
✓
Dark Matter (it’s white here, get over it)
None
None
what about REAL LIFE
you are here
not a thing RED MATTER
DARK MATTER is probably a thing
NO IDEA but we have wtf that shit is
None