Tag: astronomers

  • Science & Tech

    Eclipses, through the years

    As photography developed, Harvard astronomers embraced it as a scientific means to understand the sky.

  • Science & Tech

    ‘Point of no return’ found

    Using a continent-spanning telescope, an international team of astronomers has peered to the edge of a black hole at the center of a distant galaxy. For the first time, they have measured the black hole’s “point of no return” — the closest distance that matter can approach before being irretrievably pulled into the black hole.

  • Science & Tech

    Black hole came from shredded galaxy

    Astronomers using NASA’s Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered. The presence of the star cluster suggests that the black hole was once at the core of a now-disintegrated dwarf galaxy.

  • Science & Tech

    Building a stellar time machine

    Harvard researchers are building a celestial time machine that lets astronomers look back at hundreds of thousands of objects in the Earth’s skies over the past century.