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Oldest Stars

All articles tagged with #oldest stars

astronomy1 year ago

"Ancient Star Discovered Near Milky Way"

Astrophysicists have discovered one of the oldest stars, LMC 119, in the Large Magellanic Cloud, a galaxy neighboring the Milky Way. This star, belonging to the Universe's second generation, provides insights into early element formation in galaxies beyond our own. Its composition differs from second-generation stars in the Milky Way, suggesting variations in the early element enrichment process across different environments. The search for more ancient stars in the Large Magellanic Cloud could offer new insights into the early Universe and the diverse evolutionary paths of stars.

via ScienceAlert|
#astronomy#astrophysics#large-magellanic-cloud
astronomy2 years ago

"Hubble's Stunning Image Reveals Ancient Marvel in Our Galaxy"

The Hubble Space Telescope has captured a stunning image of NGC 6652, a globular cluster located 30,000 light-years away in the constellation Sagittarius. This cluster contains some of the oldest stars in our galaxy, estimated to be 13.6 billion years old. Globular clusters like NGC 6652 provide valuable insights into the early stages of the Milky Way and the universe. The image showcases countless pale blue stars tightly packed in a spherical core due to intense gravitational attraction. The data from this image will contribute to research on the age and composition of globular clusters.

via Livescience.com|
#astronomy#globular-cluster#hubble-space-telescope
astronomy2 years ago

Discovery of Universe's Oldest Stars Remnants.

Astronomers have discovered the remnants of some of the universe's oldest stars, which are over 13 billion years old, by studying the chemical signatures of three distant clouds of star-forming gas using the European Southern Observatory's Very Large Telescope. The clouds were found to be poor in iron and other metallic elements but rich in carbon, oxygen, and magnesium, which is what would have been left over after the first stars ran out of fuel and exploded. This discovery may help explain the composition of younger stars, including those found in the Milky Way.

via Livescience.com|
#astronomy#chemical-signatures#oldest-stars