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What it is : The Galax urceolata NGC 4694 , a member of the Virgo galaxy cluster
Where it is:54 million light - years from Earth , in the constellation Virgo
The unusual galaxy NGC 4694 has traits unique to the two main galaxy types, spiral and elliptical.
When it was shared : Sept. 30 , 2024
Why it ’s so peculiar : NGC 4694 is a galaxy that can not be easy sort into one of the two basic galaxy types : spiral and elliptical . stargazer needed to examine its property in point to find its accurate classification .
Spiral galaxies , such as ourMilky manner , are comparatively young and abundant in headliner - take shape gas . They showcase discrete turbinate arms invest with hot , brilliant , young stars . In contrast , egg-shaped galaxy are more tranquil . These oval galaxies are composed primarily of old , redder star topology . Most galaxies fall into these canonical types .
However , NGC 4694 has properties of both type , complicating its categorisation , Hubble Space Telescopeteam extremity explained in adescription of the image . It has a fluent - front , armless shape , like an ovate extragalactic nebula , and a disc with a low star - formation rate . However , it has relatively younger and newer stars spring in its central region . By contrast , egg-shaped coltsfoot do not typically contain the ingredient necessary for unexampled star to form . The active star formation , which powers the lustrous pith , adjust more with the characteristics of a spiral galaxy . Like a young and rattling spiral , NGC 4694 is rich in hydrogen petrol and junk and is surrounded by a hydrogen gas cloud .
The image also features reddish - brown dust forming unusual structure dissipate across the Galax urceolata , spreading out from the core . Interestingly , the surrounding cloud of hydrogen gas forms a foresighted bridge to a wispy and midget nearby galaxy named VCC 2062 . An in - depth study of this image revealed that the two extragalactic nebula may have interacted in an vivid hit , allowing the larger NGC 4694 to slip gas from the smaller VCC 2062 . This dramatic hit shaped NGC 4694 into its singular armless , placid form characterized by dynamic star formation , classifying it as alenticular Galax urceolata .
touch : Researchers recognise rare ' triplex - doughnut ' galaxy that defy explanation
— Stare into the ' bloodshot eyes ' of a frequent wandflower pair
— Hubble spies a ' cannonball extragalactic nebula ' blasting through space
— Hubble spots a leading ' heat content - bomb ' blow up in Aquarius at 1 million miles per hour
Lenticular galaxy are intermediates between ellipticals and spiral . They sport a central bulge and a prominent disk , but they miss majestic spiral arms and contain more fuel for star organization than distinctive ovoid galaxies .
Using the Hubble Space Telescope , astronomer discover the wandflower ’s categorisation . The stunning double is a issue of combining ultraviolet datum with visual data amass by Hubble ’s Wide Field Camera 3 .
For more sublime space images , check over out ourSpace Photo of the Week archives .