Monday, November 26, 2018

Nov 26 - Rainbow Clouds, Mars Landing

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Ken Christison wrote on November 18: “We had some beautiful iridescence in the clouds late this afternoon. Seen from northeastern North Carolina.”

I saw a cloud with rainbow colors. What causes it?

The term cloud iridescence - aka irisation - comes from Iris, the Greek personification of the rainbow. True iridescent clouds are relatively rare. Read more.

Today … Watch the Insight Mars landing

It's the 1st Mars landing in 6 years! How to watch. It's scheduled for today at 20:00 UTC (3 p.m. EST; translate UTC to your time).

Hear Opportunity's 5,000th sunrise on Mars

Scientists used data sonification to transform a photo of the now-silent Opportunity rover's 5,000th sunrise on Mars into a piece of music. Listen.


A sunset on Mars captured by the Curiosity rover on April 15, 2015, at the conclusion of that mission’s 956th sol, or Martian day. Curiosity is still up and running on Mars, and, as of November 23, 2018, has been on Mars for 2,239 sols.

CYBER MONDAY: 20% off orders of $15 or more at the EarthSky Store!


20% OFF TODAY ONLY! Kids tees, long sleeved tees, lunar phase posters, toys, and more. Your support means the world to us and allows us to keep going. Click here to shop

Tonight … The moon and the Twins

Check out these 2 bright stars near tonight's moon! Read more.

Lone Wanaka Tree in New Zealand

There's a legend about this tree. It's said it started out as a fence post about 80 years ago, then sprouted into the tree you see here, beloved of photographers. Our thanks to Samir Belhamra, who posted it at EarthSky Facebook this weekend. Read more.
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