Puzzle 15

Henrietta Swan __, astronomer of Cepheid distances

Romanian sphere pastry with cheese

Control or herd animals

Nirvana album meaning "within the womb"

Jane __, primatologist, authority on chimps

Yogis would be champs at this party game

Marginal Arctic Ocean sea between US, Russia

Painter of The Avenue at Middelharnis: Mendert __

This clock doesn't work on cloudy days

Alternatives

Fictional Star Trek humanoids with hand salute