Astronomers at a number of ground-based observatories then follow up to find out as much about what created the light.
After I learned he was back on the speaking circuit, I made several attempts to follow up by email and by phone.
The VAERS system looks for patterns and then we follow up with something called a vaccine safety data link here in this country.
How do you follow up The Social Network, the Oscar frontrunner for Best Picture, and arguably the best film of the year?
His visit also included a reciprocal invitation that the pope plans to follow up on in late May.
And then did you write a second letter to follow up the first one?
The boys were too badly scared to realize or to follow up their advantage.
Of course, if you mean to follow up photography you ought to learn how to do these little things for yourself.
Disappointed, but not beaten, we turned to follow up the trail.
"I will treat him kindly," he said, seeking to follow up his advantage.
also follow-up, 1923, originally in the argot of personnel management, from verbal phrase follow up (1847).
Old English folgian, fylgan "follow, accompany; follow after, pursue," also "obey, apply oneself to a practice or calling," from West Germanic *fulg- (cf. Old Saxon folgon, Old Frisian folgia, Middle Dutch volghen, Dutch volgen, Old High German folgen, German folgen, Old Norse fylgja "to follow").
Probably originally a compound, *full-gan with a sense of "full-going;" the sense then shifting to "serve, go with as an attendant" (cf. fulfill). Related: Followed; following. To follow one's nose "go straight on" first attested 1590s. "The full phrase is, 'Follow your nose, and you are sure to go straight.' " [Farmer].
: What's the logical follow-through to what he said?
To carry on with the next useful action; finish an action completely; pursue: Follow up these hints, and you'll find the answer (1940s+)