Empirical astronomy/Quiz
The three images on the right record emission events for AT2018cow. The first shows the galaxy Z 137-068. The second down on the right has two markers ending close to the fuzzy bright source AT2018cow. The third down on the right is a sequence of dated images.
"Astronomers using ground-based observatories caught the progression of a cosmic event nicknamed "the Cow," as seen in these three images. Left: The Sloan Digital Sky Survey in New Mexico observed the host galaxy Z 137-068 in 2003, with the Cow nowhere in sight. (The green circle indicates the location where the Cow eventually appeared). Center: The Liverpool Telescope in Spain's Canary Islands saw the Cow very close to the event's peak brightness on June 20, 2018, when it was much brighter than the host galaxy. Right: The William Herschel Telescope, also in the Canary Islands, took a high-resolution image of the Cow nearly a month after it reached peak brightness, as it faded and the host galaxy came back into view."[1]
Empirical astronomy is a lecture about an approach to understanding astronomical phenomena. A portion of it is a mini-lecture empirical radiation astronomy for a quiz-section as part of the radiation astronomy course on the principles of radiation astronomy.
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Quiz
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References
[edit | edit source]- ↑ Daniel Perley (14 July 2018). Holy Cow! Mysterious Blast Studied with NASA Telescopes. Pasadena, California USA: NASA / JPL. https://www.jpl.nasa.gov/news/news.php?feature=7314. Retrieved 14 January 2019.
See also
[edit | edit source]External links
[edit | edit source]- International Astronomical Union
- NASA/IPAC Extragalactic Database - NED
- NASA's National Space Science Data Center
- The SAO/NASA Astrophysics Data System
- SDSS Quick Look tool: SkyServer
- SIMBAD Astronomical Database
- SIMBAD Web interface, Harvard alternate
- Spacecraft Query at NASA
- Universal coordinate converter
{{Principles of radiation astronomy}}