Monday, July 23, 2018

July 23 - Volcano World

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Wow! New volcano on Jupiter's moon Io

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.

Tonight … Moon between Antares and Saturn

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.

Delta Aquariid meteors peak in moonlight

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.

How to find Delta Aquariid radiant point

And why meteors in annual showers have radiant points.  

New products available at the EarthSky Store!

Delta Aquariid meteors peak in moonlight

View full image. | Shooting star (far left) meets noctilucent clouds, from Stefan R. Nilsson of Digitaliz.se in Åhus, Sweden, on Sunday.

Tonight … Moon between Antares and Saturn

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.

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