#stellar evolution

Content tagged "stellar evolution".

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Three Stars Locked on a Single Plane — TESS Reveals a Rare Triple-Star Alignment

June 1, 2026

TIC 295741342 is a triple-star system discovered by NASA's TESS satellite in which three stars orbit on nearly the same plane. The result is a remarkable 'head and shoulders' eclipse pattern that lets astronomers measure all three stars at once — a find with almost no precedent.

Stars and Galaxies #triple star#variable star#TESS#stellar evolution#binary star

The Sun Will Die Too — The Story of the Red Giant That Will Swallow Earth in 5 Billion Years

April 21, 2026

The Sun rises every morning without fail, but it's just another star — and like every star, it has a lifespan. In about 5 billion years, it will swell into a red giant and almost certainly consume Earth. Here's the full story of the Sun's life.

Stars and Galaxies #Sun#stellar evolution#red giant#white dwarf#life cycle of stars