“A few days ago, the Harvard-Smithsonian Center for Astrophysics decided to once again tackle the question of “what is a planet?” It hosted a debate among three leading experts in planetary science, each of whom presented their case as to what a planet is or isn’t. The goal: to find a definition that the eager public audience could agree on.”
“A total solar eclipse is one of nature’s greatest spectacles so it is no wonder that many people will go to extreme lengths just to experience one. Down on the ground the period of totality, when the Moon completely blocks the Sun, lasts for just a few minutes. Bad weather can completely wreck your chances of seeing it. This is where a plane can come in handy: you can fly above the clouds and chase the Moon’s shadow as it races across the Earth.”
The Last Summer ‘Supermoon’ Of 2014 Is Also A Harvest Moon
“Skywatchers, you’re in for a treat. Tonight’s “supermoon” is a pretty special one.
When the moon turns full on Monday, Sept. 8 at 9:38 p.m. EDT, it not only will become the last supermoon of the summer, but also this year’s Harvest Moon — which is a full moon that occurs closest to the autumnal equinox.”
NASA’s MAVEN Spacecraft Will Explore Mars’ Upper Atmosphere
On September 21, NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft will go boldly where no one has gone before: to the very top of the Martian atmosphere! Learn more from astronomer Ben Burress of Chabot Space & Science Center at KQED Science.
An Interactive Map Lets You See Photos Of Earth Tweeted By Astronauts
"Did the astronauts aboard the International Space Station snap a photo of where you live from orbit? Now you can find out, thanks to an interactive map of more than 650 pictures that the astronauts shared with the world on Twitter."