Sir Revdal

PersonMentioned in 1 video

Author of a 1964 paper noting that time delays between gravitationally lensed images can measure universal expansion.

Videos Mentioning Sir Revdal

The Universe Is Racing Apart. We May Finally Know Why.

The Universe Is Racing Apart. We May Finally Know Why.

PBS Space Time

Author of a 1964 paper noting that time delays between gravitationally lensed images can measure universal expansion.