File:1950 DA radar movie.gif

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Summary

Description1950 DA radar movie.gif	English: Arecibo radar movie of asteroid 1950 DA obtained during 48 minutes (37% of a rotation) on March 4, 2001. The radar illuminates the asteroid from the top, and each image frame shows the distribution of echo power in time delay (range from the radar) and Doppler frequency (line-of-sight velocity). Linear resolution is about 15 meters vertically. The asteroid is a slightly asymmetrical spheroid roughly 1 kilometer in average overall dimension. It was 7.8 million kilometers from Earth during these observations. Movie from S. Ostro (JPL). Details: https://cneos.jpl.nasa.gov/doc/1950da/
Date	4 March 2001
Source	https://cneos.jpl.nasa.gov/doc/1950da/
Author	S. Ostro (JPL), NASA

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."

File history

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	Date/Time	Dimensions	User	Comment
current	02:21, 12 March 2018	600 × 450 (1.66 MB)	Renerpho	Removed obsolete (duplicate) frames #2
	02:17, 12 March 2018	600 × 450 (1.88 MB)	Renerpho	Removed obsolete (duplicate) frames
	01:18, 12 March 2018	600 × 450 (2.78 MB)	Renerpho	User created page with UploadWizard

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(29075) 1950 DA

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- (29075) 1950 DA
Usage on ko.wikipedia.org
- (29075) 1950 DA
Usage on zh.wikipedia.org
- 小行星29075

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File:1950 DA radar movie.gif

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(29075) 1950 DA

copyright status

public domain

inception

4 March 2001

media type

image/gif

checksum

2626c933f4387de61ab32c85ed943356fbf3950f

data size

1,740,735 byte

duration

3.1 second

height

450 pixel

width

600 pixel

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