Alaknanda: Indian Researchers Find Galaxy Like Milky Way From 12 Billion Years Ago

Where is Alaknanda, Milky Way galaxy's newly discovered twin sister?

James Webb Space Telescope uncovers Alaknanda, a massive spiral galaxy we are seeing as it existed 1.5 billion years after the Big Bang. This perfectly formed cosmic marvel defies everything we thought we knew about the baby universe.

Alaknanda: Indian researchers find galaxy like Milky Way from 12 billion years ago

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

Knowledge Nugget | ‘Alaknanda’ Galaxy: How is its discovery relevant to your UPSC exam?

Recently, Pune researchers found a spiral galaxy similar to the Milky Way from the early universe. What is the striking feature of this newly discovered galaxy? How does this discovery challenge long-held theories of early galaxy evolution? Also, go 'Beyond the Nugget' to learn what galaxies are.

The JWST Discovered Another Perplexing Early Galaxy

The JWST has made a name for itself by discovering mature galaxies in the Universe's early times. This time, a pair of Indian astronomers working with the JWST found a fully-formed spiral galaxy much like the Milky Way only 1.5 billion years after the Big Bang. The discovery, and others like it, are forcing scientists to reconsider their understanding of the cosmic timeline.

JWST Discovers A Milky Way-Like Spiral Galaxy Where It Shouldn’t Exist

We need to rethink how, and how quickly, galaxies come to be.