Frame
Top Mat
Bottom Mat
Dimensions
Image:
8.00" x 5.50"
Overall:
10.00" x 7.50"
A Tale of Two Tails Poster
by Ralf Rohner
Product Details
A Tale of Two Tails poster by Ralf Rohner. Our posters are produced on acid-free papers using archival inks to guarantee that they last a lifetime without fading or loss of color. All posters include a 1" white border around the image to allow for future framing and matting, if desired.
Design Details
I captured this close-up of Comet C/2020 F3 (NEOWISE) 3 days before its closest apphoach to Earth.... more
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3 - 4 business days
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Artist's Description
I captured this close-up of Comet C/2020 F3 (NEOWISE) 3 days before its closest apphoach to Earth.
If you have asked yourself why Neowise had two tails, you might be interested in the following explanation:
The upper, blue tail is called the ion tail. It points directly away from the Sun and is pushed out by the charged solar wind, along the Sun's magnetic field. The structure in the ion tail comes from different rates at which light emitting ions are expelled from the comet's nucleus and the constantly changing nature of the solar wind.
The lower, white tail consists of dust and reflects the sunlight. The dust tail is pushed out by the Sun's radiation pressure and curves because heavier dust particles are better able to resist this light pressure and continue along a solar orbit. The origin of the wavy structure in the dust tail is not fully understood. Most likely, it is produced by rotating streams of light reflecting dust, expelled by ice melting on its 5...
About Ralf Rohner
As a landscape photographer and pilot I have the privilege to travel the world and visit some of the most beautiful places on our planet. I started photography as an astro-photographer, which still shows in my passion for nightscapes. While not exclusively shooting at night, a big part of my work shows the beauty of the starry night skies in combination with some iconic landscapes. Thanks for visiting my gallery.
$53.00
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