Simplify the following text for a Grade 8 native English-speaking person.
Original: Among the most respected awards for science fiction are the Hugo Award , presented by the World Science Fiction Society at Worldcon , and the Nebula Award , presented by SFWA and voted on by the community of authors .
Simplified: The Hugo is presented by the World Science Fiction Society at Worldcon each year . The Nebula is presented by SFWA and voted on by the community of authors .