space

What is the shape of space itself?

Don Lincoln explores Einstein’s theory of general relativity as introducing the concept of space having a shape. So, what is the shape of space?

From NASA: Meet particle physicist, former Fermilab user and U.S. Navy combat pilot Josh Cassada. As pilot of NASA’s SpaceX Crew-5 mission, Cassada is making his first trip as an astronaut to the International Space Station. Learn more about his love of science and his journey to becoming an astronaut.

From CNN, October 12, 2021: Yesterday, William Shatner, otherwise known as Capt. James Tiberius Kirk, soared into space 100 kilometers above sea level to the Kármán line recognized as the international boundary between Earth and space. As Fermilab’s Don Lincoln explains, while Shatner’s brief visit to space is historic, it is also an inspiration to all regardless of age.

From CNN, July 1, 2021: Fermilab’s Don Lincoln explains how the Hubble Telescope housed on the Space Shuttle Discovery has stopped operating, but the James Webb Space Telescope may soon be replacing it with a hundred times more power.