Astronomers tell us that there’s five times as much invisible dark matter as ordinary matter in the universe. How can they know this? Through the same reasoning process you use playing cards.
Like the video? Try the book: _Eureka: Discovering Your Inner Scientist_ is coming December 9, 2014 from Basic Books. Look for it wherever books are sold…
Video recorded by Khaleef Knowles at the Union College Digital Studio; edited by Chad Orzel.
Vera Rubin images from the Emilio Segre Visual Archive at the American Institute of Physics https://photos.aip.org/, used with permission.
Galaxy image and spectra by Rebecca Koopmann, used with permission.
Surviving the World comic by Dante Shepherd, used with permission: http://survivingtheworld.net/Lesson1518.html
Other image sources:
http://www.noao.edu/image_gallery/html/im0649.html
http://www.acbl.org/learn_page/how-to-play-bridge/introduction-to-duplicate/convention-cards/commonly-used-conventions/
http://www.nasa.gov/mission_pages/galex/galex-20070815.html
http://www.nasa.gov/mission_pages/hubble/exoplanet_transit.html
http://www.nasa.gov/connect/chat/chandra_chat.html#.VGDYxvnF-Sr
http://www.nasa.gov/multimedia/imagegallery/image_feature_236.html
http://www.nasa.gov/mission_pages/hubble/science/star-v1.html
http://www.nasa.gov/multimedia/imagegallery/image_feature_142.html
http://www.nrao.edu/pr/2008/things/
http://commons.wikimedia.org/wiki/File:M33_rotation_curve_HI.gif
- Post Time: 10-09-17 - By: http://www.rfidang.com