Mar 9th: My 8 Favorite Unsolved Mysteries of the Universe

By on March 9, 2015 in
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Podcaster: Kelsey Johnson

heidi winterTitle : My 8 Favorite Unsolved Mysteries of the Universe

Organization: NRAO

Link :
The Universe pie chart: https://thesciencegeek01.files.wordpress.com/2015/01/dark-energy-now.png
The Bullet Cluster: http://apod.nasa.gov/apod/image/0608/bulletcluster_comp_f2048.jpg
The WMAP Cosmic Microwave Background: http://cosmology.berkeley.edu/Education/CosmologyEssays/images/WMAP_skymap.jpg
Cosmic acceleration: https://commons.wikimedia.org/wiki/File:The_History_of_the_Universe.jpg
Einstein’s field equation: http://www.math.fsu.edu/~dli/einsteinfieldeq.jpg
Stress energy tensor: http://upload.wikimedia.org/wikipedia/commons/thumb/f/fe/StressEnergyTensor_contravariant.svg/236px-StressEnergyTensor_contravariant.svg.png
Black hole gravitational lensing: https://www.youtube.com/watch?v=MRr-2W3JLAQ
Schwarzschild radius http://www.penny4nasa.org/wp-content/uploads/2014/01/Black_Hole_Milkyway.jpg
The Drake Equation: https://marknshirleyblog.files.wordpress.com/2013/04/drake-equation.jpg
How to colonize the galaxy: https://multistellar.files.wordpress.com/2014/08/timeline.png
Calabi-Yau manifold: http://ih1.redbubble.net/image.10087389.9959/flat,550×550,075,f.jpg
Fundamental force strength graph: http://seehint.com/catalog/2012%5C2012_07/fundamental%20forces.jpg
Physical constants of the Universe: http://3.bp.blogspot.com/-HUjYT4Q-vww/UM085DR3frI/AAAAAAAABN0/SA_n2fUuRVM/s1600/general%2Bphysical%2Bconstants.gif
Turtles all the way down: https://joycekaduki.files.wordpress.com/2015/02/yertle-the-turtle2.jpeg

Description: 2nd Annual Heidi Winter Memorial Lecture by Kelsey Johnson about 8 Favorite Unsolved Mysteries of the Universe

Bio: Dr. Kelsey Johnson is an astronomer from NRAO

Today’s sponsor: This episode of “365 Days of Astronomy” is sponsored by — no one. We still need sponsors for many days in 2015, so please consider sponsoring a day or two. Just click on the “Donate” button on the lower left side of this webpage, or contact us at signup@365daysofastronomy.org.

Transcript:

The 8 mysteries:
– 8: What is dark matter?
– 7: What is dark energy?
– 6: What happens inside black holes?
– 5: Are we alone? Is there other life in the Universe?
– 4: Are there other dimensions?
– 3: What determines the laws of nature?
– 2: Is the Universe “Fine tuned”?
– 1: What caused the beginning of the Universe?
The mysteries Kelsey had to leave off for time reasons:
– 10: What is the nature of time?
– 9: What is the shape of the Universe?

Clarke’s 3 laws:
– If a distinguished but elderly scientist says something is possible, he is almost certainly right. If he says it’s impossible, he’s very probably wrong.
– The only way of discovering the limits of the possible in to venture a little way past them into the impossible.
– Any sufficiently advanced technology is indistinguishable from magic.

End of podcast:

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One Response to Mar 9th: My 8 Favorite Unsolved Mysteries of the Universe

  1. Andrew Bellavia March 10, 2015 at 2:54 pm #

    Absolutely incredible. From the poem to the final ‘thank you’, this was fantastic. Thank you Dr. Johnson!