Interplanetary synonyms

To such people a searchlight on a cloud or a bright star is an interplanetary spaceship.

The new evidence was gleaned from interplanetary dust found in cores taken in copper mines in Africa.

Examples include the discovery of pulsars while studying interplanetary scintillation; finding quasars as stars with strange spectra.

In the work presented here, three slow shock candidates are identified from a survey of 130 interplanetary shock waves observed by Ulysses.

Anyone who expects an unequivocal statement that the UFOs are interplanetary spacecraft is surely being a little naive, to say the least.