"नेप्चून्-ग्रहः" इत्यस्य संस्करणे भेदः

*[http://solarsystem.nasa.gov/planets/profile.cfm?Object=Neptune Neptune Profile] at [http://solarsystem.nasa.gov NASA's Solar System Exploration site]

*[http://www.projectshum.org/Planets/neptune.html Planets – Neptune] A children's guide to Neptune.

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