Pulsar

1967

Pulsar

The book of science

Tom Sharp

Jocelyn Bell Burnell astrophysics

Pulsar

Lighthouses

Pulsating quasar

Portmanteaus

Until Jocelyn Bell Burnell found the second and third pulsars, she and her advisor considered the possibility that the first one was the result of an alien civilization trying to contact us.

See also in The book of science:

Readings in wikipedia: