HST Key Project Observation of M81 Cepheids
A team of astronomers working with NASA/ESA Hubble Space Telescope announced results of a major step in the Key Project to measure the Hubble Constant and the age of the Universe.
Credit:
About the Image
NASA press release
NASA caption
NASA caption
| Id: | opo9331a |
| Type: | Collage |
| Release date: | 9 June 1993, 06:00 |
| Size: | 2546 x 2508 px |
About the Object
| Name: | IRAS F09514+6918, M 81, Messier 81, NGC 3031 |
| Type: | • Local Universe : Star : Type : Variable • Local Universe : Galaxy : Type : Spiral • Quasars/AGN/Black Hole Images/Videos |
| Distance: | 12 million light years |
Colours & filters
| Band | Wavelength | Telescope |
| Optical V |
555 nm | Hubble Space Telescope |
| Infrared I |
785 nm | Hubble Space Telescope |
