Dark Matter: Crash Course Astronomy #41

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Dark Matter: Crash Course Astronomy #41

Today on Crash Course Astronomy, Phil dives into some very dark matters. The stuff we can actually observe in the universe isn’t all there is. Galaxies and other large structures in the universe are created and shifted by a force we detect mostly indirectly, by observing its impact: DARK MATTER.

Crash Course Astronomy Poster:

Table of Contents
Normal and Dark Matter 0:55
Dark Matter Only Interacts With Normal Matter Through Gravity 4:27
Dark Matter Bends Light 5:08

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PHOTOS/VIDEOS
Virtual tour in our Solar System (Artist’s impression) [credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)]
Hubblecast 11: A grand design in a galactic festoon [credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)]
Hubble’s High-Definition Panoramic View of the Andromeda Galaxy [credit: NASA, ESA, J. Dalcanton, B.F. Williams, and L.C. Johnson (University of Washington), the PHAT team, and R. Gendler]
Panning and zooming on Abell 1689 [credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)]
All-sky image of molecular gas and three molecular cloud complexes seen by Planck [credit: ESA/Planck Collaboration]
How to Become a Star [credit: ESO]
Neutron star illustrated [credit: NASA, Casey Reed – Penn State University]
Alone in Space – Astronomers Find New Kind of Planet [credit: NASA/JPL-Caltech]
Black hole deforms space [credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)]
Gravitational lensing in action [credit: NASA, ESA & L. Calçada]
Bullet Cluster [credit: X-ray: NASA/CXC/CfA/ M.Markevitch et al.; Lensing Map: NASA/STScI; ESO WFI; Magellan/U.Arizona/ D.Clowe et al. Optical: NASA/STScI; Magellan/U.Arizona/D.Clowe et al.]
Bullet Cluster, Optical [credit: NASA/STScI; Magellan/U.Arizona/D.Clowe et al.]
Bullet Cluster, X-ray [credit: NASA/CXC/CfA/ M.Markevitch et al.]
The Bullet Cluster [credit: X-ray: NASA/CXC/CfA/M.Markevitch, Optical and lensing map: NASA/STScI, Magellan/U.Arizona/D.Clowe, Lensing map: ESO WFI]
Pandora’s Cluster — Clash of the Titans [credit: NASA]
Hubble Refines Distance to Pleiades Star Cluster [credit: NASA, ESA and AURA/Caltech]
Stephan’s Quintet [credit: Hubble Legacy Archive, ESA, NASA]
Virgo Cluster Galaxies [credit: Rogelio Bernal Andreo]
Illustration of the distribution dark matter in the Universe [credit: NASA, ESA, and E. Hallman (University of Colorado, Boulder)]

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