Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Watching galaxies recede , observational astronomers of the 20th century discovered an astounding fact - the Universe is expanding. The speed of light is finite so looking into the distant Universe is equivalent to looking at the distant past . As recently reported , the apparent brightness and expansion velocities associated with these and other distant supernovae are beginning to suggest that the expansion rate of the Universe has not slowed but increased over time and that the expansion of the Universe is destined to continue.
Specific rights apply .