Arthur P. Norton has written:

'A star atlas and telescopic handbook (epoch 1920) for students and amateurs' -- subject(s): Atlases, Stars

'A star atlas and reference handbook (epoch 1920) for students and amateurs' -- subject(s): Astronomy, Observers' manuals

'Norton's star atlas and reference handbook (epoch 2000.0)' -- subject(s): Astronomy, Observers' manuals

Astronomy as a natural science was originated in Europe during Renaissance epoch. But its roots go from ancient times from Mesopotamia, China, Egypt, Greece, India, and Central America, where astronomical observatories were assembled.

Alfred H. Barley has written:

'The Drayson problem' -- subject(s): Astronomy, Glacial epoch

The epoch that humans are currently in is called the Holocene epoch. Scientists argue that the epoch we are in is actually the Anthropocene epoch, which means 'new man.'

The Hettangian Epoch.

The liassic epoch.