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This mosaic of M31 merges 330 individual images taken by the Ultraviolet/Optical Telescope aboard NASA's Swift spacecraft. It is the highest-resolution image of the galaxy ever recorded in the ultraviolet.
On August 31, 2012 a long filament of solar material that had been hovering in the sun's atmosphere, the corona, erupted out into space. The coronal mass ejection, or CME, traveled at over 900 miles per second. The CME did not travel directly toward Earth, but did connect with Earth's magnetic environment, or magnetosphere, causing auroras to appear on the night of Monday, September 3.
The dwarf galaxy NGC 4214 is ablaze with young stars and gas clouds. Located around 10 million light-years away in the constellation of Canes Venatici (The Hunting Dogs), the galaxy's close proximity, combined with the wide variety of evolutionary stages among the stars, make it an ideal laboratory to research the triggers of star formation and evolution.
Scientists first observed Saturn’s auroras in 1979. Decades later, these shimmering ribbons of light still fascinate. For one thing they’re magnificently tall, rising hundreds of miles above the planet’s poles. And unlike on Earth, where bright displays fizzle after only a few hours, auroras on Saturn can shine for days. Auroras are produced when speeding particles accelerated by the sun’s energy collide with gases in a planet’s atmosphere. The gases fluoresce, emitting flashes of light at different wavelengths.
False-color image courtesy of NASA/JPL/University of Colorado
sled735
reply to post by Indigent
Oh. Yes, they are suppose to be real. I guess the artist just did some color touch ups to make them stand out more.
In this image constructed from data collected in the near-infrared wavelengths of light, the auroral emission is shown in green. Scientists designated blue to indicate sunlight reflected at wavelengths from 2 to 3 microns, green to indicate light from hydrogen ions at wavelengths between 3 and 4 microns and red to indicate thermal emission at 5 microns.
reply to post by sled735
Scientists first observed Saturn’s auroras in 1979. Decades later, these shimmering ribbons of light still fascinate. For one thing they’re magnificently tall, rising hundreds of miles above the planet’s poles. And unlike on Earth, where bright displays fizzle after only a few hours, auroras on Saturn can shine for days. Auroras are produced when speeding particles accelerated by the sun’s energy collide with gases in a planet’s atmosphere. The gases fluoresce, emitting flashes of light at different wavelengths.
wmd_2008
sled735
reply to post by Indigent
Oh. Yes, they are suppose to be real. I guess the artist just did some color touch ups to make them stand out more.
Really you should make the effort to find out before jumping to conclusions, these images are not taken like your holiday snaps
Another Saturn Image
In this image constructed from data collected in the near-infrared wavelengths of light, the auroral emission is shown in green. Scientists designated blue to indicate sunlight reflected at wavelengths from 2 to 3 microns, green to indicate light from hydrogen ions at wavelengths between 3 and 4 microns and red to indicate thermal emission at 5 microns.
More info here
sled735
wmd_2008
sled735
reply to post by Indigent
Oh. Yes, they are suppose to be real. I guess the artist just did some color touch ups to make them stand out more.
Really you should make the effort to find out before jumping to conclusions, these images are not taken like your holiday snaps
Another Saturn Image
In this image constructed from data collected in the near-infrared wavelengths of light, the auroral emission is shown in green. Scientists designated blue to indicate sunlight reflected at wavelengths from 2 to 3 microns, green to indicate light from hydrogen ions at wavelengths between 3 and 4 microns and red to indicate thermal emission at 5 microns.
More info here
You're absolutely correct. Will you ever forgive me?!
You see, I was on my way to bed after a night of work and only having 3.5 hours sleep before I went in. So my brain was kind of frazzled. I just happened to come across those pictures after I had already logged off ATS. So I had to log back on and share them before going to bed.
I think I did pretty good in getting my OP up as I did, considering I was brain dead at the time.
SilentE
Awesome stuff Sled! Thanks for posting.
The wonders of space never cease to amaze me.
S&F!
wildespace
reply to post by championoftruth
Do you have large infrared and ultraviolet telescopes? Do you have a range of narrowband filters and the experience in astrophotography?
Many amateur astronomers took amazing images that rival those of NASA's.