Io is small, but it's the most volcanically active world in our solar system. It has hundreds of active volcanoes. Now the Juno spacecraft has found one more.
It's getting exciting up there! We're headed for a brightest Mars, and a long lunar eclipse, on July 27. Get in the mood by identifying Saturn and red star Antares near tonight's moon.
You might catch a meteor in moonlight, or see one in the very narrow window between moonset and dawn Tuesday morning. Or just wait. This shower will still be producing meteors at the Perseids' peak in August.
On either side of this scene - outside the boundaries of our chart - there are 2 brighter planets, Jupiter and Mars. The moon is in the process moving past Jupiter, then Saturn, then Mars in our sky. Click in for more.
