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NASA Astronomy Picture of the Day:

Capturing this sunrise required both luck and timing. First and foremost, precise timing was needed to capture a sailboat crossing right in front of a rising Sun. Additionally, by a lucky coincidence, the background Sun itself appears unusual -- it looks like the Greek letter Omega (Ω). In reality, the Sun remained its circular self -- the Omega illusion was created by sunlight refracting through warm air just above the water. Optically, the feet of the capital Omega are actually an inverted image of the Sun region just above it. Although somewhat rare, optical effects caused by the Earth's atmosphere can make distant objects near the horizon -- including the Sun and Moon -- look quite unusual. This single exposure image was taken over the Mediterranean Sea just over two weeks ago near Valencia, Spain.

Photo by Juan Antonio Sendra

NASA Astronomy Picture of the Day:

In the distant universe, time appears to run slowly. Since time-dilated light appears shifted toward the red end of the spectrum (redshifted), astronomers are able to use cosmological time-slowing to help measure vast distances in the universe. Featured, the light from distant galaxies has been broken up into its constituent colors (spectra), allowing astronomers to measure the cosmological redshift of known spectral lines. The novelty of the featured image is that the distance to hundreds of galaxies can be measured from a single frame, in this case one taken by the Visible MultiObject Spectrograph (VIMOS) operating at the Very Large Telescope (VLT) array in Chile. Analyzing the space distribution of distant objects will allow insight into when and how stars and galaxies formed, clustered, and evolved in the early universe.

If You

Posted by MFish • Profile • 09/20/20 at 12:15AM • Life Stories - Memories • See more by MFish

If you like or dislike
the words I now write,
tell me so, for I am
in a mental plight.
Do I stay here now,
or should I take flight?

A Comment by Amy

Your avatar
Amy • 09/20/2020 at 11:11AM • Like 1 • Profile

Yes, stay MFish! reading your words is a wonderful experience I look forward to.

A Comment by MFish

Your avatar
MFish • 09/20/2020 at 11:20PM • Like • Profile

Thank you Amy. So many years have gone by since the very first post. Love to you.

A Comment by Loy

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Loy • 09/21/2020 at 11:19PM • Like • Profile

I love the words you write. I appreciate your talent and discipline for creating poetry and prose about many thoughts, feelings and memories.

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