Hubble

[crater] The rim of this crater is worn and eroded, and it has a somewhat irregular edge in places. The inner wall is wider along the western side, where the rim has a slight outward bulge. The most intact portion of the rim lies along the eastern side, and the inner wall of this face is visible from the Earth. The interior floor has been r...
Found on http://en.wikipedia.org/wiki/Hubble_(crater)

hubble

a unit of distance sometimes used in astronomy. The hubble is a gigantic unit, equal to 109 light years. This is 9.4605 x 1021 kilometers (9.4605 yottameters, if you please), 5.8785 sextillion miles (U.S.), 63.240 x 1012 astronomical units, or 306.595 megaparsecs. In practice, mos...
Found on http://www.unc.edu/~rowlett/units/dictH.html

Hubble

Edwin Powell Hubble (1889-1953) American astronomer known for seminal work in modern cosmology.
Found on https://pds.jpl.nasa.gov/planets/special/glossary.htm

Hubble

[n] - United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance (1889-1953)
Found on http://www.webdictionary.co.uk/definition.php?query=Hubble
No exact match found