Credit & Copyright: Russell Croman
(Russell Croman Astrophotography)
Explanation:
When stars form, pandemonium reigns.
A textbook
case is the star forming region
NGC 2170.
Visible above
are red glowing
emission nebulas of
hydrogen, blue
reflection nebulas of
dust, dark
absorption nebulas of dust, and the stars that formed from them.
The first massive stars formed from the dense gas will emit
energetic light and
winds
that erode, fragment, and
sculpt their birthplace.
And then they
explode.
The resulting morass is often as
beautiful as it is complex.
After tens of millions of years, the dust boils away,
the gas gets swept away, and all that is left is a naked
open cluster of stars.
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 2025 |
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.
|
Publikacii s klyuchevymi slovami:
reflection nebula - emission nebula - otrazhatel'nye tumannosti - emissionnaya tumannost'
Publikacii so slovami: reflection nebula - emission nebula - otrazhatel'nye tumannosti - emissionnaya tumannost' | |
Sm. takzhe:
Vse publikacii na tu zhe temu >> | |
