Tag: astronomers
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Science & Tech
Eclipses, through the years
As photography developed, Harvard astronomers embraced it as a scientific means to understand the sky.
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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.
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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.
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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.