How fast is our universe expanding? | | Here's a great New ScienceCast video about the controversial Hubble Constant. It's the key to knowing the age of our universe and much more. | | |
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Harvest Moon: All you need to know | | The Northern Hemisphere's autumn equinox was September 22. Harvest Moon - the full moon closest to this equinox - is coming up October 5. | | |
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