Women comprised half the staff of the 2013 class of astronauts.
Explanation:
The evidence from the text that best supports the idea that women astronauts are not unusual anymore is the fact that half the staff of the 2013 class of astronauts were made up of women.
This was not as it was before when the field of astronomy was made up of makes only as female astronauts began to get included in the astro world and in 2023 they made up of fifty percent of the staff.
