Astronomers Discover Three Faint Nebulae in Cassiopeia Constellation

AI-generated NewsSnap summary based on source reporting.
Published: 2026-10-21
Category: science
Source: NASA Science (APOD)
Original source

Using extensive telescope observations and a specialized oxygen filter, astronomers have identified three previously unknown faint nebulae, named Objects 1, 2, and 3, within the Cassiopeia constellation. These "blue phantoms" indicate the presence of ionized oxygen, similar to the known "Ghosts of Cassiopeia," IC 59 and IC 63, which are energized by the γ Cassiopeia star system. The precise origins of these new apparitions remain unclear, though Object 3 might be a bow shock from γ Cassiopeia's movement.

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