Nearby Supernovae Exploded Just a few Million Years Ago, Leading to a Wave of Star Formation Around the Sun - Universe Today

, data visualization software that enabled the discovery. “We can piece together the history of star formation around us using a wide variety of independent clues: supernova models, stellar motions and exquisite new 3D maps of the material surrounding the Local Bubble.”

“When the first supernovae that created the Local Bubble went off, our Sun was far away from the action,” says co-author, a professor at the University of Vienna. “But about five million years ago, the Sun’s path through the galaxy took it right into the bubble, and now the Sun sits — just by luck — almost right in the bubble’s center.”

If we zoomed in on famous star-forming regions on the surface of the Local Bubble, what would we see? The two inset images show what astronomers call “plane of the sky” images, in that they are necessarily 2D projections taken from our vantage point near the Sun on Earth. If an astronomer on Earth looked in the direction of the Taurus star-forming region, with ALMA, they would see HL Tau if they zoomed in 10,000 times compared to the typical scale of the Taurus cloud.

The star formation theory is wrong. When supernovae exploded, they ejected seeds of stars to great distances: this was the first critical step missed by the gravity-dominant model. Such ejections have been confirmed by Arp and Ambartsumian’s empirical work.

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