Русско-английский идиоматический словарь по космонавтике - обнаруживать

Instruments carried by the Luna-12 lunar satellite detected X-ray emission from the Moon's surface…

Through it a sharp turn (a knee) in the electron distribution at altitudes of 12,000 22,000 km… have been discovered.

Satellites have registered low-frequency branches of the spectrum at frequencies less than 400 500 c/s…