1. As a proper noun, "Hubble" refers to:
* The Hubble Space Telescope: This is the most famous meaning. The Hubble Space Telescope is a large, powerful telescope in orbit around Earth, named after American astronomer Edwin Hubble.
2. As a surname, "Hubble" is a relatively uncommon English surname.
3. In some cases, "Hubble" can be used as a verb meaning:
* To observe or study something using the Hubble Space Telescope. For example, "Scientists are hubbling distant galaxies to learn about their origins."
However, the use of "Hubble" as a verb is not very common and is considered informal.
Overall, the most common meaning of "Hubble" is the Hubble Space Telescope.