Hubble image of irregular galaxy Holmberg II

The NASA/ESA Hubble Space Telescope has captured this image of dwarf irregular galaxy Holmberg II. The galaxy is dominated by huge bubbles of glowing gas, which are sites of ongoing star formation.

As high-mass stars form in dense regions of gas and dust they expel strong stellar winds that blow away the surrounding material. The cavities are also blown clear of gas by the shock waves produced in supernovae, the violent explosions that mark the end of the lives of massive stars.

Credit:

NASA & ESA

About the Image

Id:heic1114a
Type:Observation
Release date:29 September 2011, 14:30
Related releases:heic1114
Size:3682 x 3696 px

About the Object

Name:Holmberg II
Type:• Local Universe : Galaxy : Type : Irregular
• Local Universe : Galaxy : Size : Dwarf
• X - Galaxies Images/Videos
Distance:11 million light years

Colours & filters

BandWavelengthTelescope
Optical
502
Hubble Space Telescope
ACS
Optical
550
Hubble Space Telescope
ACS
Optical
Pseudogreen (V+I)
Hubble Space Telescope
ACS
Optical
658
Hubble Space Telescope
ACS
Optical
I
814 nm Hubble Space Telescope
ACS

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