'The ratio of the speed of galaxies to their distance from Earth is the "constant" named for this astronomer'
Hubble
THE SCIENCE CATEGORY: The ratio of the speed of galaxies to their distance from Earth is the constant named for this astronomer
The ratio of the speed of galaxies to their distance from Earth is the "constant" named for this astronomer
The ratio of the speed of galaxies to their distance from Earth is the "constant" named for this astronomer
THE SCIENCE CATEGORY
Hubble
THE SCIENCE CATEGORY