Sentences with phrase «supernovae distance markers»

In 1989, by then a Ph.D. candidate at Harvard, Schmidt used supernovae distance markers to work out how fast the universe was expanding in real time.

Not exact matches

But last year an international team of researchers found an even more reliable distance marker — the first - ever strongly lensed Type Ia supernova.

For decades, Type Ia supernovae have been exceptional distance markers because they are extraordinarily bright and similar in brightness no matter where they sit in the cosmos.

But black hole mergers would be much more reliable distance markers than supernovae, says Avi Loeb of Harvard University.

In our case, we were looking for supernova explosions to use as distance markers.

In finding that the universe is on a path to runaway expansion, you had to find type Ia supernovae, which can act as distance markers.

This information makes type 1a supernovas useful markers for measuring distances across the universe.