Researchers suggest that Eta Carinae was originally a three-star system, which is what led it to its unusual behaviour

Researchers suggest that Eta Carinae was originally a three-star system, which is what led it to its unusual behaviour
The X-ray emission detected from Eta Carinae shows highly energetic cosmic rays ejecting from the massive stars
In the mid-1800s, astronomers surveying the night sky in the Southern Hemisphere noticed something strange about the star Eta Carinae
Read on to find out why this question is still baffling astronomers