Stargazers urged to take in comet that will not return for 68 centuries

The mountain-sized Neowise comet in the skies this morning over England. (Owen Humphreys/PA)

Stargazers have been urged to marvel at a newly discovered comet which is visible to the naked eye this month as it will not be coming back for another 6,800 years.

The mountain-sized Neowise comet made its closest approach to the sun on July 3 and is now shining brightly in the night skies.