These broken stars, by Amy Kaufman.

#1 The starbound trilogy.

For girls, grades 6-12, who love space adventures with first person narratives, multiple perspectives and a romantic, suspenseful tone, this Australian fiction will be very pleasing.  The jam-packed plot incorporates telepathy, energy-matter conversion, an unknown life form, an explosion, two cave-ins and a temporary death  When a spoiled socialite and a seasoned soldier are stranded on a mysterious planet after their luxury spaceliner malfunctions and crashes, Major Tarver Merendsen tries to protect Lilac LaRoux, "the richest girl in the galaxy," as they journey across an inhospitable wilderness in search of rescue.

Citation: Kaufman, Amy. These broken stars. New York: Hyperion, 2013.