File:Apollo 15 Subsatellite.jpg

Summary

DescriptionApollo 15 Subsatellite.jpg	English: An artist's concept showing TRW's small lunar subsatellite being ejected into lunar orbit from the SIM bay of the Apollo 15 Service Module. The 80-pound satellite will remain in orbit a year or more, carrying scientific experiments to study space in the vicinity of the moon. The satellite carries three experiments: S-Band Transponder; Particle Shadows/Boundary Layer Experiment; and Subsatellite Magnetometer Experiment. The subsatellite is housed in a container resembling a rural mailbox, and when deployed is spring-ejected out-of-plane at 4 fps with a spin rate of 140 rpm. After the satellite booms are deployed, the spin rate is stabilized at about 12 rpm. The subsatellite is 31 inches long and has a 14 inch hexagonal diameter. The exact weight is 78.5 pounds. The folded booms deploy to a length of five feet. Subsatellite electrical power is supplied by a solar cell array outputting 25 watts for dayside operation and a rechargeable silver-cadmium battery for nightside passes.
Date	8 July 1971
Source	https://images.nasa.gov/details-S71-39481; original from http://nix.larc.nasa.gov/info;jsessionid=1qs0kulic60ui?id=S71-39481&orgid=8; see also https://spaceflight.nasa.gov/gallery/images/apollo/apollo15/html/s71-39481.html
Author	NASA/Johnson Space Center
Permission (Reusing this file)	NASA photo

This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: S71-39481.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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Licensing

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

	Date/Time	Dimensions	User	Comment
current	18:35, 25 April 2020	8,043 × 6,220 (6.71 MB)	Huntster	Full resolution from NASA.
	03:59, 30 October 2011	1,200 × 928 (330 KB)	Craigboy	higher res http://spaceflight.nasa.gov/gallery/images/apollo/apollo15/html/s71-39481.html
	20:39, 11 September 2007	640 × 480 (50 KB)	Mirecki	{{Information \|Description=An artist's concept showing TRW's small lunar subsatellite being ejected into lunar orbit from the SIM bay of the Apollo 15 Service Module. The 80 pound satellite will remain in orbit a year or more, carrying scientific experime

Width	8,043 px
Height	6,220 px
Bits per component	8 8 8
Compression scheme	Uncompressed
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	858 dpi
Vertical resolution	858 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS3 Windows
File change date and time	10:14, 12 August 2008
Color space	sRGB
Image width	8,043 px
Image height	6,220 px
Date and time of digitizing	05:14, 12 August 2008
Date metadata was last modified	05:14, 12 August 2008

File:Apollo 15 Subsatellite.jpg

Summary

Licensing

Captions

Items portrayed in this file

depicts

copyright status

public domain

inception

8 July 1971

catalog code

S71-39481

MIME type

image/jpeg

checksum

b4094f0ade5894482bd911d828e90985a78732ce

data size

7,031,837 byte

height

6,220 pixel

width

8,043 pixel

File history

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Global file usage

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