5 ms·
That's pretty amazing, I'd certainly not expect more than a small time shift since it still managing to get the same light source to the same location to be det
by lasc4r 4y ago
That's pretty amazing, I'd certainly not expect more than a small time shift since it still managing to get the same light source to the same location to be detected.
- btilly 4y agoThe lensed light has generally traveled for billions of years, and wound up being separated by thousands of light years before the gravitational lensing. Two paths taking days apart DOES count as only a small time shift!
- leeoniya 4y agoor decades https://news.berkeley.edu/2015/03/05/distant-supernova-split-four-ways-by-gravitational-lens/ https://news.berkeley.edu/2015/03/05/distant-supernova-split...