File:Three Steps to the Hubble Constant (2019-25-4489).pdf
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DescriptionThree Steps to the Hubble Constant (2019-25-4489).pdf |
English: This illustration shows the three basic steps astronomers use to calculate how fast the universe expands over time, a value called the Hubble constant. |
Date | 25 April 2019 (upload date) |
Source | Three Steps to the Hubble Constant |
Author | , , and A. Feild () |
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Licensing[edit]
Public domainPublic domainfalsefalse |
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:15, 27 August 2023 | 1,575 × 1,237 (7.71 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://stsci-opo.org/STScI-01EVSW8RXHVGWAV7Z6Z4D0RZW8.pdf via Commons:Spacemedia |
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Software used | Adobe Illustrator CC 2017 (Macintosh) |
Date and time of digitizing | 09:30, 24 April 2019 |
File change date and time | 09:30, 24 April 2019 |
Date metadata was last modified | 09:30, 24 April 2019 |
Unique ID of original document | uuid:9E3E5C9A8C81DB118734DB58FDDE4BA7 |
Conversion program | Adobe PDF library 15.00 |
Encrypted | no |
Page size | 756 x 594 pts |
Version of PDF format | 1.7 |
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application/pdf
8,084,520 byte
d94daa736f4ddcdd097e2c17ddb8fc380fccd305
25 April 2019
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