Cassiopeia (original) (raw)
Latest News for: cassiopeia
White dwarf discovered gobbling material from gamma Cassiopeia
Sott 30 Mar 2026
Some 550 light-years away, a bright star called Gamma Cassiopeiae is belching out bursts of X-rays ... Gamma Cassiopeiae (Gamma Cas for short) is visible to the naked eye at 2nd magnitude, making up the ...
50-Year-Old Mystery Solved As Secret White Dwarf Found To Be Source Of X-Rays In Gamma Cassiopeia
IFL Science 25 Mar 2026
From the moment that astronomer Angelo Secchi identified γ Cassiopeia (gamma-Cas) as the first Be star in 1866, the object has been nothing but trouble. A massive, quickly rotating star that regularly ejects material, forming a disk around it ... .
XRISM solves gamma-Cas’s 50-year X-ray mystery
Astronomy Now 24 Mar 2026
Gamma-Cas, the central star in the familiar W-shape of Cassiopeia, has puzzled astronomers since the 1970s, when it was found to emit unusually strong high-energy X-rays ... constellation Cassiopeia.
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