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Астронет: Астрономическая картинка дня Бриллиант на небе http://www.variable-stars.ru/db/msg/1712996/eng |
Credit & Copyright: Mariano Ribas
(Planetario de la Ciudad de Buenos Aires)
Explanation:
When the shadow of the Moon raced across planet Earth's
southern hemisphere on December 14,
sky watchers along the shadow's dark
central
path
were treated to the only total solar eclipse of 2020.
During the
New
Moon's shadow play
this glistening diamond ring was seen
for a moment, even in cloudy skies.
Known as the
diamond
ring effect,
the transient spectacle actually happens twice.
Just before and immediately after totality,
a thin sliver of solar disk visible behind the Moon's edge
creates the appearance of a shiny jewel set in a dark ring.
This dramatic snapshot from the path of totality in northern Patagonia,
Argentina captures this eclipse's second diamond ring,
along with striking solar prominences lofted beyond
the edge of the Moon's silhoutte.
Authors & editors:
Robert Nemiroff
(MTU) &
Jerry Bonnell
(USRA)
NASA Web Site Statements, Warnings,
and Disclaimers
NASA Official: Jay Norris.
Specific
rights apply.
A service of:
LHEA at
NASA /
GSFC
& Michigan Tech. U.