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Showing posts with the label Hubble Space Telescope

Exploring Messier 82: The Cigar Galaxy

Exploring Messier 82: The Cigar Galaxy Messier 82, also known as the Cigar Galaxy, captivates astronomers with its irregular shape and intense star formation. Situated 12 million light-years away in Ursa Major, it's influenced by gravitational interactions with Messier 81. This interaction triggers prolific star birth, forming its vibrant central "starburst nucleus." Modern observations, including those from the Hubble Space Telescope, unveil intricate details of its turbulent environment, enriching our understanding of galactic evolution. A Galactical Profile Messier 82 was first discovered by the French astronomer Nicolas Louis de Lacaille in 1774. However, it wasn't until 1779 that the galaxy was cataloged by Charles Messier, a French astronomer famous for his compilation of astronomical objects known as the Messier Catalogue. Messier 82 earned its place as the 82nd entry in this esteemed list. What makes Messier 82 particularly fascinating is its unusual shape and...

Methuselah : The Oldest Star in the Universe

Methuselah : The Oldest Star in the Universe Introduction: In the vast expanse of the cosmos, stars hold a fascination that transcends time and space. Among them, Methuselah Star stands out as a celestial anomaly, captivating astronomers and stargazers alike. Known as the oldest star in the universe, Methuselah Star offers a glimpse into the distant past of our cosmos and challenges our understanding of stellar evolution. In this blog post, we delve into the fascinating story of Methuselah Star, exploring its origins, characteristics, and the insights it provides about the universe. Discovery and Naming: Methuselah Star, officially designated as HD 140283, was discovered in 1912 by the American astronomer Henry Norris Russell. Located in the constellation Libra, Methuselah Star initially gained attention due to its high proper motion, indicating its rapid movement across the sky relative to other stars. However, it was its estimated age that truly captured the imagination of astronomer...