Something Never Seen Before Is Shooting Out of a Star in Our Galaxy

  • تاريخ النشر: منذ 16 ساعة زمن القراءة: دقيقة قراءة

Astronomers uncover a unique helium nova, ultra-fast gas knots, and clues to Type Ia supernova origins.

The Objects Are Gas “Bullets”

They May Reach 20 Million mph

No Other Nova Has Shown Them

The Source Is V445 Puppis

It Is the Galaxy’s Only Confirmed Helium Nova

A White Dwarf Is Feeding on a Helium Star

Dust Concealed It for More Than 20 Years

The Outflow Spans More Than a Trillion Miles

Four Observatories Helped Expose the System

It Could Illuminate Type Ia Supernovae

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Astronomers sometimes understand a discovery only after surrounding material begins to clear. A system watched for decades can suddenly reveal behaviour that existing examples cannot explain.

The latest observations expose both a rare eruption and a second mystery hidden inside its remains. The answer involves unusual stellar partners, extraordinary speeds and a possible connection to larger explosions.

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