white dwarf
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Gigantic ‘Blinking’ Star Presents a Cosmic Mystery
For a period of several months, a huge star located more than 25,000 light-years from Earth got increasingly dimmer before eventually returning to its usual brightness. An obstruction of some kind likely caused this strange effect, but astronomers aren’t exactly sure what it is.
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If You Make It To 2083, You Could Witness Two Stars Collide
Scientists have predicted that a pair of stars in our galaxy will collide, producing an explosion that will temporarily become one of the brightest objects in the night sky. They don’t know exactly when it will happen, but they estimate it will be later this century.