European Space Agency’s Gaia space telescope discovered 2 ancient streams of stars Shiva & Shakti
European Space Agency’s Gaia space telescope: The European Space Agency led the discovery of ancient star streams Shiva and Shakti (formed 12 billion years ago) led by Khyati Malhan of the Max Planck Institute for Astronomy (MPIA) in Germany. “The Milky Way has changed so significantly since these stars were born that we wouldn’t expect to recognize them so clearly as a group — but the unprecedented data we’re getting from Gaia made it possible.” Khyati Malhan who was the research team leader and Max Planck Institute for Astronomy (MPIA) scientist. Named after Hindu deities associated with creation, Shiva and Shakti symbolize the universe’s cosmic dance and the fusion of male and female energies.
Shiva & Shakti
Shiva & Shakti

Characteristics and Composition:
- Unique Orbits and Chemical Composition: Gaia identified two distinct structures, named Shakti and Shiva, with unique chemical compositions.
- Mass and Age: Each cluster comprises about 10 million suns, with stars aged 12 to 13 billion years, displaying remarkably similar orbits and structures.
Galactic Position and Origin:
- Location and Formation: Situated towards the galaxy’s heart, these streams were formed as separate fragments that merged into one galaxy early in its history, shedding light on the Milky Way’s early formation.
- Galactic Archaeology: Gaia’s exploration in 2022 uncovered the oldest stars in the galaxy, born even before the formation of the galactic disk, suggesting a complex origin involving gas and dust filaments.
Symbolism and Naming:
- Divine Inspiration: Named after a divine couple in Hindu philosophy, Shiva and Shakti symbolize the universe’s creation, reflecting the distinct characteristics of the stellar streams.
- Orbital Differences: While similar, Shakti stars have slightly more distant orbits from the galactic centre, characterized by more circular paths compared to those of Shiva.
What is the name of the star discovered by the European Space Agency’s Gaia space telescope?
Shiva & Shakti is the name of the star discovered by the European Space Agency’s Gaia space telescope.
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