Possible Clues:

• Vishnu avatar, often depicted with a bow and arrow
• Avatar of Vishnu ... or, with a possible contestant on 115 Across, crash into an Arctic mammal?
• Father of Kusha and Lava
• Any of Vishnu's three incarnations
• Alien spacecraft in an Arthur C. Clarke tale
• Title spaceship in a classic sci-fi tetralogy
• Ending with Cine-
• One of the two main avatars of Vishnu, in Hinduism
• 'Rendezvous With ___' (Arthur C. Clarke book)
• '-- Lama Ding Dong' (1961 hit)