Carl Sagan

India's premier space research organization ISRO has many feathers on its cap since its inception in 1962.

The cosmos is strange and beautiful, full of unanticipated objects. The only way to understand it is to observe it – in as many different ways as possible. In this article, we take a look at the wonders revealed upon observing radio emissions from celestial objects through the Giant Metrewave Radio Telescope (GMRT), near Pune, India.

Here is an Aha! moment in the history of science when Eratosthenes proved Earth is not flat. These clips are from the astronomer & master science communicator Carl Sagan's Cosmos.

Here is a wonderful graphic adaptation of a Carl Sagan quote on our fragile earth  by Zen Pencils.
 

When we talk about time in a classroom, we often refer to a 40 minute class or the weekly schedule or the annual event of the school. History teachers are fortunate to engage their learners with data, evidence and records of few centuries & millenia before. Geographers & evolutionary biology teachers have the disciplinary advantage of pushing that boundary further to a much bigger timescale.

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