Credit & Copyright: Soumyadeep Mukherjee
Explanation:
Every Full Moon of 2021 shines in this year-spanning astrophoto project,
a composite portrait of
the familiar lunar nearside at each brightest
lunar phase.
Arranged by moonth,
the year progresses in stripes beginning at the top.
Taken with the same camera and lens the stripes are from Full Moon
images all combined at the same pixel scale.
The stripes still looked mismatched, but they show
that the Full Moon's angular size changes throughout the year
depending on its
distance from Kolkata, India, planet Earth.
The
calendar month,
a full moon name, distance in kilometers, and angular
size is indicated for each stripe.
Angular size is given in minutes of arc corresponding to 1/60th of a degree.
The largest Full Moon is
near a perigee or closest approach
in May.
The smallest is
near an apogee,
the most distant Full Moon in December.
Of course the full moons of
May and November
also slid into Earth's shadow
during 2021's two lunar eclipses.
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 |
Yanvar' Fevral' Mart Aprel' Mai Iyun' Iyul' Avgust Sentyabr' Oktyabr' Noyabr' Dekabr' |
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
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Publikacii s klyuchevymi slovami:
Moon - Luna - polnolunie
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