Sentence examples for observing since from inspiring English sources

These new Earth-sized celestial bodies were originally discovered when researchers including lead author of the new study Michaël Gillon of the University of Liège were studying the TRAPPIST-1 star they'd been observing since 2015, and noticed decreases in the star's brightness, caused by the momentary occlusion of the star by the passage of three of the system's planets across its surface.

The data released showed the arctic sea beginning to refreeze again in the last few days after the most dramatic melt observed since satellite observations started in 1979.

These are the highest rates observed since researchers started making satellite observations 20 years ago.

In our field observations, seedling recruitment has not been observed since 1995.

The significant improvement in stomach cancer survival in England and Wales since 1990 continues the trend observed since the early 1970s.

A ceasefire across the line observed since 2003 has frayed.

"It's been a year and a half," Holly wryly observes, "since anyone shined my shoes".

"Nevertheless, in cumulative terms, the slowdown observed since the beginning of the year appears to have stabilized".

The tides of the Atlantic Ocean have been observed since ancient times.

There is no selection bias, she observes, since this is a randomised trial.

The current Taylor troupe is the finest I've observed since at least the early 1990s.