what is the defference between astika and nastika system in Indian philosophy

Viky Tsalamata has written:

'Astika topia' -- subject(s): Exhibitions, Cities and towns in art

Mythology is about Greek mythology.

Thor is a renowned character in Scandinavia mythology.

M. A. Dwight has written:

'Grecian and Roman mythology for schools' -- subject(s): Classical Mythology

'Grecian and Roman mythology' -- subject(s): Greek Mythology, Roman Mythology

'Grecian and Roman mythology' -- subject(s): Classical Mythology, Greek Mythology, Roman Mythology