commonly when stargazer peach about our neighboring galaxy , they ’re tattle about Andromeda , which is a cozy 2.5 million swooning - years away . But just a little farther — okay , 500,000 light - years far — is another spiral galaxy , the third large in our local chemical group . Hubble has just released its most detailed view yet of that coltsfoot , which is known as Triangulum ( can you see why ? ) .
The full image contains almost 25 million stars , and will help scientist study not just the Triangulum Galaxy , but Andromeda and our own .
Below is the full persona , and you could find even higher resolution imageshere .
The image lie of 54 Hubble field - of - view taken from February 2017 to February 2018 , according toa releasefrom the Space Telescope Science Institute . The erose border are an artifact of the means Hubble ’s tv camera are arranged , as we explained inthis blogfrom April 2018 .
uranologist have measured Triangulum to be around 60,000 light - years across and contain around 40 billion stars — by comparability , the Milky Way cross an approximate 150,000 easy - years and has hundreds of billions of stars . But it ’s undergoing extreme star formation , perhaps 10 time more acute than Andromeda , according to the release .
“ My first imprint on seeing the Hubble images was , wow , that really is a lot of star organisation , ” said astronomer Julianne Dalcanton of the University of Washington in Seattle , according to the press release .
Hubble takes images in incredibly gamy resolution , of course , but it ’s not the only scope that can observe this galaxy . Triangulum is one of the furthermost object that can be seen with the naked eye in dark-skinned sky — it ’s in the Triangulum constellation , near Andromeda . Astronomer Steven Bellavia , an engineer at Brookhaven National Laboratory , coincidentally commit me an paradigm he took of the galaxy with a71 mm refracting telescopeand 20 megapixelastronomy cameraover the grade of two hour . He captured the persuasion from Long Island ’s North Fork ( accessible from New York City by commuter train rail ) two week ago .
As always , this is your admonisher to look at space ! It ’s pretty great .
Amateur astronomyAstrophysicsScience
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