Sunset over Poker Flat Research Range.jpg

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Description

The sun sets over Poker Flat Research Range in Alaska.

Date

2 February 2013, 21:04:35

Source

Flickr: VISIONS: Seeing the Aurora in a New Light

Author

NASA Goddard Space Flight Center

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:39, 13 March 2014		5,616 × 3,744 (3.74 MB)	wikimediacommons>Flickr upload bot	Uploaded from http://flickr.com/photo/24662369@N07/8453793724 using Flickr upload bot

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Camera manufacturer	Canon
Camera model	Canon EOS 5D Mark II
Exposure time	1/50 sec (0.02)
F Number	f/5.6
ISO speed rating	320
Date and time of data generation	21:04, 2 February 2013
Lens focal length	85 mm
Headline	VISIONS: Seeing the Aurora in a New Light
Image title	The sun sets over Poker Flat Research Range in Alaska. This marks the beginning of the work day for a team of scientists hoping to launch a sounding rocket up into an aurora as part of the VISIONS (VISualizing Ion Outflow via Neutral atom imaging during a Substorm) mission.Credit: NASA/Goddard/Chris Perry---To read more about the VISIONS mission go to:<a href="http://www.nasa.gov/mission_pages/sunearth/news/visions-aurora.html" rel="nofollow">www.nasa.gov/mission_pages/sunearth/news/visions-aurora.html</a>VISIONS: Seeing the Aurora in a New LightA team of NASA scientists arrived in Poker Flats, Alaska at the end of January, 2013. The team is patiently waiting for the exotic red and green glow of an aurora to illuminate the sky. Instead of simply admiring the view, this group from NASA's Goddard Space Flight Center of Greenbelt, Md., and The Aerospace Corporation of El Segundo, Calif. will launch a sounding rocket up through the Northern Lights. The rocket could launch as early as the night of Feb. 2, 2013, but the team has a two-week window in order to find the perfect launch conditions.Armed with a series of instruments developed specifically for this mission, the VISIONS (VISualizing Ion Outflow via Neutral atom imaging during a Substorm) rocket will soar high through the arctic sky to study the auroral wind, which is a strong but intermittent stream of oxygen atoms from Earth’s atmosphere into outer space. The rocket will survive only fifteen minutes before splashing down in the Arctic Ocean, but the information it obtains will provide answers to some long-standing questions.VISIONS is studying how oxygen atoms leave Earth’s atmosphere under the influence of the aurora. Most of the atmosphere is bound by Earth’s gravity, but a small portion of it gets heated enough by the aurora that it can break free, flowing outwards until it reaches near-Earth space. The atoms that form this wind initially travel at about 300miles per hour -- only one percent of the speed needed to overcome gravity and leave Earth's atmosphere.The principal investigator for VISIONS, Goddard's Doug Rowland is providing images while the team prepares for launch.VISIONS is a partnership between NASA Goddard and the Aerospace Corporation of El Segundo, Calif. The sounding rocket motors and payload support systems are provided by NASA Wallops Flight Facility, including NSROC, the NASA Sounding Rocket Operations Contract. The Poker Flat Research Range is operated by the University of Alaska under contract to NASA.<b><a href="http://www.nasa.gov/audience/formedia/features/MP_Photo_Guidelines.html" rel="nofollow">NASA image use policy.</a></b><b><a href="http://www.nasa.gov/centers/goddard/home/index.html" rel="nofollow">NASA Goddard Space Flight Center</a></b>enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.<b>Follow us on<a href="http://twitter.com/NASA_GoddardPix" rel="nofollow">Twitter</a></b><b>Like us on<a href="http://www.facebook.com/pages/Greenbelt-MD/NASA-Goddard/395013845897?ref=tsd" rel="nofollow">Facebook</a></b><b>Find us on<a href="http://instagrid.me/nasagoddard/?vm=grid" rel="nofollow">Instagram</a></b>
Width	5,616 px
Height	3,744 px
Bits per component	8 8 8
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	200 dpi
Vertical resolution	200 dpi
Software used	Adobe Photoshop CS5 Macintosh
File change date and time	11:05, 7 February 2013
Exposure Program	Aperture priority
Exif version	2.3
Date and time of digitising	21:04, 2 February 2013
APEX shutter speed	5.643856
APEX aperture	4.970854
APEX exposure bias	0
Maximum land aperture	1.75 APEX (f/1.83)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
DateTimeOriginal subseconds	67
DateTimeDigitised subseconds	67
Colour space	sRGB
Focal plane X resolution	3,849.2117888965
Focal plane Y resolution	3,908.1419624217
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Serial number of camera	620303976
Lens used	EF85mm f/1.8 USM
Date metadata was last modified	06:05, 7 February 2013
Urgency	1
Unique ID of original document	07C9046496FA3FADC08A41579E7A0DCE

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Sunset over Poker Flat Research Range.jpg

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