What are three pictures of things that begin with the same sound as net

martians or other types of aliens represent a unique fear as opposed to zombies. vampires and other types of monsters.   in most sci-fi stories, aliens come from other worlds and have different or more advanced technology.   abductions and experimentation on human bodies that involve these technologies, or the use of these technologies against human beings and the use of unknown "powers", are a type of fear that's different from that of other types of monsters.  

after the moon goes from a full moon it turns into a waning gibbous moon.

here's where my answer came from. i hope this .