🕖 In less than 24 hours, four volunteer crew members will begin a 378-day stay inside a 1,700-square-foot habitat @NASA_Johnson to simulate a Mars surface mission.
Watch live as the first CHAPEA crew begins their journey tomorrow at 6:30 p.m. CDT https://t.co/nal4iDJ8VL
When Ken Burns asked every living president to recite the Gettysburg Address in 2013, Pres. Carter shared this story about Israeli Prime Minister Menachem Begin and the Camp David Accords. We are thinking about the President and thought all would appreciate this wonderful story.
One week ago, an exceptionally bright gamma ray burst lit up the sky, indicating the likely birth of a black hole 1.9 billion light years away. NASA's Swift space telescope captured this image of the burst illuminating layers of dust in our galaxy. https://t.co/wrbhJ3uOFS
Being judgmental is not about how quickly you form opinions. It’s how certain you are of them.
Strong convictions from weak info reflect arrogance. Holding views lightly and revising them rapidly reveals humility.
Wisdom often ends in a question mark, not an exclamation point.
Every scientist (and non-scientist) should once read Richard Feynman's remarkably thoughtful essay "The value of science". The most captivating 3 pages I have read in a long time.
https://t.co/Tnx53ti8JU
Sir Isaac Newton's "Philosophiæ Naturalis Principia Mathematica" was published #OTD in 1687. Often referred to as just “the Principia,” it presents Newton’s laws of motion and his universal law of gravitation. 335 years old and we still teach its main results!