Hubble captures awe-inspiring PHOTO of Triangulum galaxy that spans 19,400 light-years As the holiday season draws to a close, the Hubble telescope has provided one truly massive parting gift: an immensely detailed photo of one of our galactic neighbors that spans 19,400 light-years across.
While it is possible to observe the Triangulum Galaxy under excellent dark-sky conditions, the human eye will only see it as a faint, blurry object with an ethereal glow in the Triangulum (the Triangle) constellation.
Measuring only 60,000 light years across, Triangulum is the smallest spiral galaxy in the group, compared to the 200,000 light years of the Andromeda Galaxy, and the Milky Way's 100,000 light-year diameter.
The Hubble Space Telescope has captured the best-ever image of the galaxy next door, the Triangulum galaxy (M33).
This is the second-largest image ever released by Hubble and shows Triangulum's central region as well as its inner spiral arms.
The galaxy is a notable member of the Local Group of galaxies, an assembly of more than 50 galaxies bound together by gravity. Andromeda has at least two orders of magnitude more stars than the Triangulum Galaxy.
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The ESA said that the galaxy contains a huge amount of gas and dust, giving rise to rapid star formation.
The Hubble Space Telescope is the most significant piece of equipment the USA space agency has ever sent to space.
Triangulum, also known as Messier 33 or NGC 598, is made up of around 40 billion stars.
In contrast to the two larger spiral galaxies, Triangulum does not have a bright bulge at its centre - and it also lacks a bar connecting its spiral arms to the centre. 'The star formation rate intensity is 10 times higher than the area surveyed in the Andromeda galaxy in 2015.' The Triangulum galaxy was chosen for this ultra-high-res photo op because it's positioned such that we can view its structure in great detail.
Usually when astronomers talk about our neighbouring galaxy, they're talking about Andromeda, which is a cozy 2.5 million light-years away.
These enormous stellar nurseries rank among the largest and brightest in the Local Cluster, shining with the light of ionized hydrogen.It was the presence of these active star forming regions that led astronomers to target Messier 33 with the Hubble telescope.