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Astronomy Picture of the Day 5-08-02
NASA ^
| 5-08-02
| Robert Nemiroff and Jerry Bonnell
Posted on 05/08/2002 5:09:37 AM PDT by petuniasevan
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
2002 May 8
Sunspot Loops in Ultraviolet
Credit: TRACE Project, NASA
Explanation: It was a quiet day on the Sun. The above image shows, however, that even during off days the Sun's surface is a busy place. Shown in ultraviolet light, the relatively cool dark regions have temperatures of thousands of degrees Celsius. Large sunspot group AR 9169 is visible as the bright area near the horizon. The bright glowing gas flowing around the sunspots has a temperature of over one million degrees Celsius. The reason for the high temperatures is unknown but though to be related to the rapidly changing magnetic field loops that channel solar plasma. Sunspot group AR 9169 moved across the Sun during 2000 September and decayed in a few weeks.
TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: astronomy; gas; glowing; image; loop; photography; solar; sun; sunspot; ultraviolet; uv
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Since ultraviolet radiation is blocked by Earth's atmosphere, this kind of photography must be done from orbit.
This beautiful image is courtesy of the Transition Region and Coronal Explorer. TRACE is a mission of the Stanford-Lockheed Institute for Space Research (a joint program of the Lockheed-Martin Advanced Technology Center's Solar and Astrophysics Laboratory and Stanford's Solar Observatories Group ), and part of the NASA Small Explorer program.
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To: MozartLover; Joan912; NovemberCharlie; snowfox; Dawgsquat; viligantcitizen; theDentist; grlfrnd...
APOD PING!
To: petuniasevan
WOW!!!
AWESOME picture!!!!
To: petuniasevan
I sat behind a girl with hair like this on a bus in Olympia Wa! Swear to God!!! Great Picture!!!
To: sleavelessinseattle
To: StriperSniper;2Trievers;Bad~Rodeo
AYEEE MY EYES!!!MY EYES!!!
To: petuniasevan
Thank you for the daily ping. All the pictures are amazing.
7
posted on
05/08/2002 5:47:36 AM PDT
by
DallasGal
To: petuniasevan
Is that a host blocking part of the sun ???
old inside joke, hehe
8
posted on
05/08/2002 6:00:37 AM PDT
by
fnord
To: petuniasevan
Wow! The HF ought to be jammin!
73's
9
posted on
05/08/2002 6:02:56 AM PDT
by
dd5339
To: fnord
Ping ClassyGreenEyedBlonde!
To: petuniasevan
Sun-sational! Thanks for the ping. :)
To: sleavelessinseattle
Is that the only thing burning!? LOL &;-)
To: 2Trievers
My fear of bald punk rocker chicks is honestly acquired, Miss, I DID survive the Cobain Grunge period in Seattle, afterall, Haughty sniff.
To: sleavelessinseattle
I prefer some historical context to my punk! &;-)
Apologies to 'tunia! &;-)
To: petuniasevan
Now that's a BBQ pit!
15
posted on
05/08/2002 8:20:37 AM PDT
by
aomagrat
To: petuniasevan
Did you remember to send royalty payment to Virgiliu Pop for photographing his sun?
To: petuniasevan
LOL :-)
17
posted on
05/08/2002 9:34:55 AM PDT
by
fnord
To: petuniasevan
Great picture!
To: petuniasevan
Thanks for the ping.
Beautiful picture of the Sun.
To: petuniasevan
Since ultraviolet radiation is blocked by Earth's atmosphere, this kind of photography must be done from orbit. Beautiful picture! Did you know that some insects can see well into the UV range? I wonder if that was ever a useful ability on Earth.
20
posted on
05/08/2002 5:22:44 PM PDT
by
Helix
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