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Астронет: Астрономическая картинка дня APOD: 2025 October 21 Б IC 1805: The Heart Nebula http://www.variable-stars.ru/db/msg/1986243 |
Credit & Copyright: Toni Fabiani
Explanation:
What electrifies the Heart Nebula?
First, the large emission nebula
on the left, catalogued as
IC 1805, looks somewhat like a human heart.
The nebula glows brightly in red light
emitted by its most prominent element,
hydrogen,
but this long-exposure image was also blended with light
emitted by
sulfur (yellow) and
oxygen (blue).
In the center of the
Heart Nebula are young stars from the open star cluster
Melotte 15
that are eroding away several picturesque
dust pillars with their atom-exciting
energetic light and winds.
The Heart Nebula is located about 7,500
light years away toward the
constellation
of Cassiopeia.
At the top right of the Heart Nebula is the companion
Fishhead Nebula.
This wide and deep image clearly shows
that glowing gas surrounds the Heart Nebula in all directions.
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.
Based on Astronomy Picture
Of the Day