Found: SciFi Book With Female Protagonist and Space and Time Travel

this is a science fiction book where the female protagonist's dad dies and her mother is very distant and a chemist who bakes. the book is set mostly in a small town and there is a big orange grove. it is also partly set on a space ship where the protagonist figures out how to solve the issue of growing eye pressure over extended space travel

Solved, Light from Other Stars by Erika Swyler

Touchstone: Light from Other Stars