title: 400 years after Galileo Galilei.
authors: Kajal Krishna
authors: KK
authors: Banik
authors: Amit
authors: A
authors: Pan
mesh_terms: D001256:Astronomy / Q000266:history*; D005197:Famous Persons; D049670:History, 17th Century; D006801:Humans; D007558:Italy; D008433:Mathematics / Q000266:history*