Астронет: Астрономическая картинка дня Соединение перед солнцестоянием над Будапештом http://variable-stars.ru/db/msg/1384926/eng |
Credit & Copyright: György
Soponyai
Explanation:
Before a solstice Sun rose on June 21,
brilliant Venus and an old crescent Moon posed together
over Budapest, Hungary for
this predawn skyscape.
In the foreground the view looks across the Danube river from Buda to Pest
toward the dome and peaks of the Hungarian Parliament building.
Low clouds are in silhouette against a twilight sky.
But far
enough above the eastern horizon to catch the sunlight
shines another seasonal apparition on that solstice morning,
noctilucent clouds.
Seen near sunrise and sunset in summer months at high
latitudes, the night-shining clouds are formed as water vapor
in the cold upper atmosphere condenses on
meteoric dust or volcanic ash
near the edge
of space.
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.