telltale sign

Astronomers think that a spiral pattern is a telltale sign of disturbances or “instabilities” in the disk due to gravity.

Using the NSF NOIRLab’s Gemini South Telescope in Chile, researchers observed a long burst coming from the star, low in energy – a telltale sign of a planet swimming along near the star's surface.

Often working at home, she has pored over satellite data to spot decreases in vegetation greenness during drought, a telltale sign of die-off caused by declining aquifer levels.

Another telltale sign is a covered loading area connected to what appears to be a concealed Soviet-era underground bunker.

The doctor also alleged that Biden likely had a facelift, an alteration Youn feels was confirmed by his changed earlobes, a "telltale sign."