Free Republic
Browse · Search
General/Chat
Topics · Post Article

Skip to comments.

Astronomy Picture of the Day - STEVE over Copper Harbor
APOD.NASA.gov ^ | 5 May, 2021 | STEVE over Copper Harbor Image Credit & Copyright: MaryBeth Kiczenski

Posted on 05/05/2021 3:23:08 PM PDT by MtnClimber

Explanation: What creates STEVEs? Strong Thermal Emission Velocity Enhancements (STEVEs) have likely been seen since antiquity, but only in the past five years has it been realized that their colors and shapes make them different from auroras. Seen as single bright streaks of pink and purple, the origin of STEVEs remain an active topic of research. STEVEs may be related to subauroral ion drifts (SAIDs), a supersonic river of hot atmospheric ions. For reasons currently unknown, STEVEs are frequently accompanied by green "picket-fence" auroras. The featured STEVE image is a combination of foreground and background exposures taken consecutively in mid-March from Copper Harbor, Michigan, USA. This bright STEVE lasted several minutes, spanned from horizon to horizon, and appeared in between times of normal auroras.


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: nasa
To be added or removed from the Astronomy Picture of the Day ping list please send me a request via "Private Reply" (Mail).

For more detail go to the link and click on the image for a high definition image. You can then move the magnifying glass cursor then click to zoom in and click again to zoom out. When zoomed in you can scan by moving the side bars on the bottom and right side of the image.

1 posted on 05/05/2021 3:23:08 PM PDT by MtnClimber
[ Post Reply | Private Reply | View Replies]

To: MtnClimber

2 posted on 05/05/2021 3:23:33 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 1 | View Replies]

To: 21stCenturion; 21twelve; 4everontheRight; abb; AFB-XYZ; America_Right; Art in Idaho; AZ .44 MAG; ...
Pinging the APOD list.

🪐 🌟 🌌

There is a cat meme hidden in the hot links at the linked explanation.
3 posted on 05/05/2021 3:24:58 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 2 | View Replies]

To: MtnClimber

Best picture of the year, IMHO...


4 posted on 05/05/2021 3:58:21 PM PDT by SuperLuminal (Where is another Sam Adams now that we desperately need him?)
[ Post Reply | Private Reply | To 2 | View Replies]

To: MtnClimber

Are the Klingons firing again?


5 posted on 05/05/2021 4:09:26 PM PDT by minnesota_bound (I need more money. )
[ Post Reply | Private Reply | To 2 | View Replies]

To: MtnClimber

Nice shot from my neck of the woods!


6 posted on 05/05/2021 5:54:38 PM PDT by gibsosa
[ Post Reply | Private Reply | To 1 | View Replies]

To: gibsosa

Have you seen one of these?


7 posted on 05/05/2021 5:57:38 PM PDT by MtnClimber (For photos of Colorado scenery and wildlife, click on my screen name for my FR home page.)
[ Post Reply | Private Reply | To 6 | View Replies]

To: MtnClimber

I say another fake... how is there light reflecting off the dock, if the “Steve” is miles beyond... ?? I dont buy this pic...


8 posted on 05/05/2021 6:02:44 PM PDT by sit-rep ( )
[ Post Reply | Private Reply | To 2 | View Replies]

To: MtnClimber

Hi STEVE.


9 posted on 05/05/2021 6:05:17 PM PDT by Hillarys Gate Cult (Where words can mean anything they can also mean nothing.)
[ Post Reply | Private Reply | To 1 | View Replies]

To: MtnClimber

indeed... the pic above is def Fake... these are real....

https://www.google.com/search?q=Strong+Thermal+Emission+Velocity+Enhancements&rlz=1C1ZMDB_enUS507US753&sxsrf=ALeKk007tHxmvhHrzaALFRoFkKcv-RQWkA:1620263019295&tbm=isch&source=iu&ictx=1&fir=Eh-nt3BX8E40sM%252CrHSbWoQxyTd7KM%252C_&vet=1&usg=AI4_-kQcUItYmkjc-_6QACR0NbYZicb9AQ&sa=X&ved=2ahUKEwjSm9SN7rPwAhX2B50JHRNmAaAQ_h16BAgSEAE#imgrc=Eh-nt3BX8E40sM


10 posted on 05/05/2021 6:05:26 PM PDT by sit-rep ( )
[ Post Reply | Private Reply | To 2 | View Replies]

Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.

Free Republic
Browse · Search
General/Chat
Topics · Post Article

FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson