Edwin Powell Hubble is renowned for determining ... from each other at a rate constant to the distance between them (Hubble's Law). The further away they were, the faster they receded.

A century ago this month, a brash astronomer leaked a discovery that opened our view to the cosmic distance scale and the ...

It seems like almost yesterday that a teacher told me when I was very young, that the Milky Way was the very end of our ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to ...

The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...

Building big telescopes on mountain tops is one solution, but Hubble offers an even better view. Named after Edwin Hubble, the US astronomer who in the 1920s showed through observations of distant ...

As the closest symbiotic star to Earth, R Aquarii was studied by none other than Edwin Hubble in an effort to understand the mechanism that powers the system. R Aquarii undergoes violent eruptions ...