SN1997bs’s True Identity: Impostor or Not?
SN1997bs has been labelled an impostor for years, but could it be the real deal?
Eta Carinae is heating up
The massive star Eta Carinae has been observed in the infrared for over forty years. Between 1976 and 1998, astronomers saw a linear increase in the star’s brightness. But Eta Carinae has been steadily heating up ever since a close approach with its companion star in 1998, and astronomers want to know why.