Other sources would have you believe that helium was jointly discovered by Janssen and Norman Lockyer, a British scientist, and that their discovery letters reached Paris the same day, one sent from India, and the other from England.
Ik heb een vraag over het boek:
‘The Story of Helium and the Birth of Astrophysics - Nath, Biman B.’.
Vul het onderstaande formulier in.
We zullen zo spoedig mogelijk antwoorden.
