Facts about Mice Galaxies

1. 06

   Gravitational disruption from the Mice Galaxies collision has triggered widespread star formation, creating thousands of new massive stars within their tidal regions over the past 200 million years.

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2. 05

   Hubble Space Telescope imaging reveals that NGC 4676A and NGC 4676B are currently separated by approximately 20,000 light-years and approaching each other at relative velocities exceeding 1,000 kilometers per second.

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3. 04

   Each of the Mice Galaxies contains roughly 100 billion stars, making their collision one of the most massive galactic encounters observable in the nearby universe.

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4. 03

   In 1953, astronomer Fritz Zwicky first identified the Mice Galaxies as a classic example of galactic collision, demonstrating how gravitational forces reshape entire star systems.

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5. 02

   Observations of the Mice Galaxies reveal prominent tidal tails extending over 500,000 light-years, among the longest structures created by galactic interactions in the universe.

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6. 01

   The two colliding galaxies NGC 4676A and NGC 4676B, located 300 million light-years away, will eventually merge into a single elliptical galaxy over billions of years.

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