High Alert

Nearly 50 'ghost galaxies' emerge around three hosts, challenging dwarf galaxy counts

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: Phys.org
Nearly 50 'ghost galaxies' emerge around three hosts, challenging dwarf galaxy countsWorldPing
Image via Phys.org.

What happened

Dwarf galaxies—with a mass equal to about a billion suns, but often considerably less—are the most abundant in the universe.

However, because of their low luminosity, they are very difficult to detect.

Key facts

  • Dwarf galaxies—with a mass equal to about a billion suns, but often considerably less—are the most abundant in the universe.
  • Reported by Phys.org and published Wed, 16 Sep 2026 12:40:06 UTC.

Why it matters

Research findings and mission results set the evidence base that policy, funding and later discoveries build on.

What to watch next

  • Peer review status and replication of the findings
  • Mission milestones and next scheduled attempt
  • Funding or policy decisions that follow

Coverage timeline

When each newsroom published on this story, oldest first — all times UTC.

  1. Webb measures extreme gas outflows from distant 'dead' galaxies

  2. A third of Americans cannot name the three branches of government

  3. Nearly 50 'ghost galaxies' emerge around three hosts, challenging dwarf galaxy counts

  4. Three questions: Putting nuclear waste into perspective

Sources

The original report was published by Phys.org. WorldPing does not claim that reporting — this page summarises and contextualises it.

Read the full report at Phys.org

Related WorldPing coverage

Three questions: Putting nuclear waste into perspectiveWorldPing
Phys.org

Three questions: Putting nuclear waste into perspective

For decades, one of the major complaints about nuclear power in the United States has been the argument that, after all this time, we still have not come up with a dependable strategy for sequestering high-level radioactive waste, including spent fue…

Brief by WorldPing · Original reporting by Phys.org

Webb measures extreme gas outflows from distant 'dead' galaxiesWorldPing
Phys.org

Webb measures extreme gas outflows from distant 'dead' galaxies

Astronomers using the James Webb Space Telescope have measured the most powerful gas outflow ever recorded from a "dead" galaxy outside our cosmic neighborhood and found that even outflows this extreme may not be enough to permanently shut down star formation.

Brief by WorldPing · Original reporting by Phys.org