Jupiter’s Northern Lights; Watching Stars Explode & Too Much Sitting Kills
Astronomers Study Jupiter’s ‘Northern Lights’ Earth’s Auroras – Borealis in the northern polar region and Australis in the south – are among the most beautiful and haunting light displays in nature. Now, for the first time, scientists have been able to study Jupiter’s auroras, in x-ray wavelengths thanks to NASA’s Chandra X-Ray Observatory. Auroras both […]
NASA Checks Out Potentially Hazardous Asteroids
First, the good news. There are fewer asteroids near Earth than previously estimated. Now the bad news. A new NASA survey also finds there may be more than twice as many aligned with Earth’s orbit than thought, which could increase the odds of an asteroid coming close enough to us to cause concern. The findings […]