Prof. Carl Sagan
@ProfCarlSagan
In the Memory of Astronomer, Researcher, Educator, Communicator, Advocate and Activist who taught us importance of understanding Science.
03-09-2021 11:36:28
812 Tweets
2,4K Followers
0 Following
@ProfCarlSagan
In the Memory of Astronomer, Researcher, Educator, Communicator, Advocate and Activist who taught us importance of understanding Science.
03-09-2021 11:36:28
812 Tweets
2,4K Followers
0 Following
