Sun pillar seems to be vertical rays of sunlight, but it's actually caused by falling ice crystals. This photo is taken by Jim Kirkpatrick & Brigitte Heiter-Kirkpatrick - see more at the always awesome Astronomy Picture of the Day. |
Sun pillar seems to be vertical rays of sunlight, but it's actually caused by falling ice crystals. This photo is taken by Jim Kirkpatrick & Brigitte Heiter-Kirkpatrick - see more at the always awesome Astronomy Picture of the Day. |