Roles like mathematician, physicist, economist and astronomer all made the list - as did medical professions like optometrist and orthodonist.
'This planet might have the same mass as Earth, but it is certainly not Earth-like,' said lead astronomer Dr David Kipping from the Harvard-Smithsonian Centre for Astrophysics.
"It's a very slow process," study lead co-author Leslie Morrison, a retired astronomer with Royal Greenwich Observatory, told AFP.
Her husband Henry was an astronomer credited with a method of classifying the stars, and she was his frequent assistant.
The astronomer also gave a simpler explanation on gravitational waves using ripples in a pond as a metaphor.
The celebrated mathematician, Edmund Stone, would never have published a mathematical dictionary, never have found the key to science of mathematics, if he had given his spare moments to idleness, had the little Scotch lad, Ferguson, allowed the busy brain to go to sleep while he tended sheep on the hillside instead of calculating the position of the stars by a string of beads, he would never have become a famous astronomer.
Laplace, the astronomer, was still at work when death caught up with him at seventy-eight.
" Garth Illingworth, an astronomer at the University of California, Santa Cruz, and a veteran of the search for early galaxies, pointed out, however, that these stars were appearing far later in cosmic history than theory had predicted.
Edward Bloomer, astronomer at the Royal Observatory Greenwich, says: 'Even thick cloud cover is transitory, and even a very short exposure to unfiltered sunlight can permanently damage your vision.
Says Princeton astronomer Scott Tremaine: "Not a single prediction for what we'd find in other systems has turned out to be correct.
An Astronomer used to walk out every night to gaze upon the stars.
"Then come with me, and be an astronomer, there is nothing better than that, for nothing is hid from you.
" And away sails the famous Dane, the astronomer, to live honored and free in a strange land.