Astronomy Picture of the Day
Astronomy Picture of the Day
Discover the cosmos! [1] Each day a different image or photograph of our
fascinating universe is featured, along with a brief explanation written by a
professional astronomer.
2019 January 20
A Total Lunar Eclipse Video
Video Credit & Copyright: Jun Ho Oh (KAIST [2] , HuboLab [3] ), Kwon O Chul
(TWAN [4] ), Jeong ByoungJun [5] (RainbowAstro)
Explanation: Tonight a bright full Moon will fade to red. Tonight's moon [6]
will be particularly bright because it is reaching its fully lit phase when it
is relatively close to the Earth in its elliptical orbit [7] . In fact, by
some measures of size and brightness, tonight's full Moon is designated a
supermoon [8] , although perhaps the "super" is overstated [9] because it will
be only a few percent larger and brighter than the average full Moon. However,
our Moon will fade to a dim red [10] because it will also undergo a total
lunar eclipse [11] -- an episode when the Moon becomes completely engulfed in
Earth's shadow. The faint red [12] color results from blue sunlight being
more strongly scattered away by the Earth's atmosphere. A January full moon,
like the one visible tonight, is referred to as a Wolf Moon [13] in some
cultures. Tonight's supermoon total eclipse [14] will last over an hour and
be best visible [15] from North [16] and South America [17] after sunset. The
featured time-lapse video [18] shows the last total lunar eclipse [19] --
which occurred in 2018 July. The next total lunar eclipse [20] will occur
only in 2021 May.
Tomorrow's picture: selfie on mars
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Authors & editors: Robert Nemiroff [32] (MTU [33] ) & Jerry Bonnell [34]
(UMCP [35] )
NASA Official: Phillip Newman Specific rights apply [36] .
NASA Web Privacy Policy and Important Notices [37]
A service of: ASD [38] at NASA [39] / GSFC [40]
& Michigan Tech. U. [41]
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Site notes:
[1] archivepix.html
[2] http://www.kaist.ac.kr/html/en/index.html
[3] http://hubolab.kaist.ac.kr/
[4]
http://www.twanight.org/newTWAN/
photographers_about.asp?photographer=Kwon%20O%20Chul
[5]
https://www.facebook.com/jeong.byoungjun/
about?lst=6607177%3A100001663870318%3A1547860416
[6] https://en.wikipedia.org/wiki/January_2019_lu...
[7] http://www.cso.caltech.edu/outreach/log/NIGHT...
[8] https://en.wikipedia.org/wiki/Supermoon
[9]
http://i.embed.ly/1/display/
resize?key=1e6a1a1efdb011df84894040444cdc60&url=http%3A%2F%2Fpbs.twimg.
com%2Fmedia%2FBnXQFdZCMAAmw1H.jpg
[10] ap150408.html
[11] ap141005.html
[12] ap140418.html
[13] https://www.timeanddate.com/astronomy/moon/wo...
[14]
http://science.nasa.gov/science-news/science-...
[15] http://eclipse.gsfc.nasa.gov/LEplot/LEplot200...
[16] https://en.wikipedia.org/wiki/North_America
[17] https://en.wikipedia.org/wiki/South_America
[18] https://vimeo.com/284290238
[19] ap180730.html
[20] https://eclipse.gsfc.nasa.gov/LEdecade/LEdeca...
[21] ap190119.html
[22] archivepix.html
[23] lib/apsubmit2015.html
[24] lib/aptree.html
[25] https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apo...
[26] calendar/allyears.html
[27] /apod.rss
[28] lib/edlinks.html
[29] lib/about_apod.html
[30] http://asterisk.apod.com/discuss_apod.php?dat...
[31] ap190121.html
[32] http://www.phy.mtu.edu/faculty/Nemiroff.html
[33] http://www.phy.mtu.edu/
[34] https://antwrp.gsfc.nasa.gov/htmltest/jbonnel...
[35] http://www.astro.umd.edu/
[36] lib/about_apod.html#srapply
[37] https://www.nasa.gov/about/highlights/HP_Priv...
[38] https://astrophysics.gsfc.nasa.gov/
[39] https://www.nasa.gov/
[40] https://www.nasa.gov/centers/goddard/
[41] http://www.mtu.edu/
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