Sunita Williams: Welcome to Earth

https://www.youtube.com/live/ytlh2vtQSjc?feature=shared

https://www.youtube.com/live/zcQcjzUGl9Q

https://www.youtube.com/live/8Yy9meYTjEI

Live : Solar System and the night sky

https://theskylive.com/guide

Galileo Galilei : Many Happy Returns of the Day

GALILEO GALILEI (15-02-1564 TO 08-01-1642) :

ITALIAN PHILOSOPHER, ASTRONOMER AND MATHEMATICIAN

ગેલિલિયો ગેલિલી (૧૫-૦૨-૧૫૬૪થી ૦૮-૦૧-૧૬૪૨) : જન્મદિન અભિવંદન

https://www.britannica.com/biography/Galileo-Galilei

https://www.biography.com/people/galileo-9305220

http://www.ducksters.com/biography/scientists/galileo_galilei.php

https://www.space.com/15589-galileo-galilei.html

https://www.youtube.com/watch?v=Rejbk1oJ2xg

https://www.youtube.com/watch?v=k4eaRtKKF6Q

https://www.youtube.com/watch?v=2J0-ZbbrD6U