Oldest Stars in the Galaxy 

18 July,2024

Credit: Pixabay

Often considered the oldest known star, HD 140283 is about 14.46 billion years old, which is close to the estimated age of the universe itself.

Credit: Google

HD 140283 (Methuselah Star):

This star is around 13.2 billion years old and is one of the oldest known. It was discovered using the European Southern Observatory's Very Large Telescope.

Credit: Google

HE 1523-0901:

This star is about 13.6 billion years old and is located in the Milky Way’s halo. It is one of the most metal-poor stars known, indicating its ancient origin.

Credit: Google

SMSS J031300.36−670839.3:

Estimated to be around 13.8 billion years old, this star has been studied for its unique chemical composition that gives clues about the early galaxy.

Credit: Google

BD+17°3248:

Another extremely old star, thought to be around 13 billion years old. It is known for its high levels of heavy elements, which suggests it formed shortly after the first generation of stars.

Credit: Google

CS 22892-052:

This star is approximately 13 billion years old. It is a metal-poor star, providing information about the early stages of the galaxy’s formation.

Credit: Google

HD 122563:

This star is part of a binary system and is about 13.5 billion years old. Its low metallicity indicates its ancient origin.

Credit: Google

2MASS J18082002-5104378 B:

This star is around 13 billion years old and is notable for its extremely low metal content, reflecting the conditions of the early universe.

Credit: Google

HE 0107-5240:

Also estimated to be around 13 billion years old, this star has a very low metallicity, suggesting it formed very early in the history of the Milky Way.

Credit: Google

HE 1327-2326:

This star is about 13 billion years old and has one of the lowest metallicities ever observed, indicating it is one of the earliest stars formed in the galaxy.

Credit: Google

SDSS J102915+172927: