The End of Days - Bacon J.R.

The End of Days is the first book in the Birth of the Gods series.

The planet Mars is running out of breathable air. Since the asteroid strike, the government has built 127 gigantic plastic domes for the people to live in. Now, however, even the domes can't save them.

Thoth Strabo, a college history instructor, finally finds the perfect man. She has a winning lottery ticket to board the starship that will take her away from this dying planet, but her lover, Levant Amarna, draws a loser.

Thoth decides to stay on Mars with Levant and face the end together. She gives her ticket to one of her students, Naomi Nefera, so this teenage girl can escape her abusive parents.

The Secret Police arrested Aten Imhotep's son for protesting. Though Aten's position in the Mars Space Administration guarantees his family can board the starship, his son, Amun, has not been released.

As the family waits, the last shuttle to the starship prepares for launch.