What is A Planet? - NASA Science - 1 views
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Christopher Palma on 11 Jul 13Short (7 min) video from NASA talking about the ~7 year old debate over the nature of a planet and the creation of the dwarf planet category
Online resources to support Penn State's Earth Space Science Partnership workshop for "Engaging Your Students in Astronomy"
A link to a Univ. Nebraska - Lincoln online simulator for studying Sun's angle and motion through time. Ability to change observers position on Earth included. http://astro.unl.edu/naap/motion3/a...
Realtime links for a current mission or 3D tour of the solar system. http://eyes.nasa.gov/index.html As I post this the Mars Science Lab is 33 hours away from entry
We come upon the 100 year anniversary of human discovery of Cosmic Rays and according to this article still ponder their origin http://www.npr.org/blogs/13.7/2012/07/25/157286520/cosmic-rays-100-ye...
NASA's nice Hubble site on Black hole overview http://hubblesite.org/explore_astronomy/black_holes/ * With some external links for further reading, like on quantum mechanics
For those of you who have access to Discovery Education / United Streaming, there is a short, 2 minute snippet called "Gravity & Inertia" that is part of "Spin Around the Solar System: How the Sol...