Striving To See In A Vast, Invisible Universe

Original Air Date: 
August 19, 2017
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On Monday, August 21, a total solar eclipse will cross the United States for the first time in a hundred years. For millions of people in its path, it’ll be like opening a window directly onto the broader universe. Besides chasing eclipses, how else can we see what's out there, beyond our skies?

Solar eclipse

Journalist David Baron describes how witnessing a total solar eclipse set him on a path to examine how eclipses have propelled many inquisitive minds deeper into the sciences to see more deeply into the universe.More

Length: 
10:14
nebula

Much of the universe can't be seen, as is the case with dark matter and dark energy: the invisible stuff that, according to the laws of physics, makes up 96 percent of the universe. Yale astronomer Priya Natarajan says it is difficult–but not impossible—to find it.More

Length: 
10:35
Searching the stars

For more than 30 years, the scientists at the SETI Institute have been looking and listening for signs of extraterrestrial intelligence. And recently, some of them decided to get a bit more proactive.More

Length: 
10:05
Inside a space capsule

Physicist Don Gurnett has recorded what you might hear from inside a spacecraft, and it isn't just the sound of desolate silence.More

Length: 
4:30
Neil DeGrasse Tyson

Neil deGrasse Tyson makes the case for why constantly searching for answers doesn't have to dispel our sense of awe and wonder faced with the seemingly unknowable universe.More

Length: 
12:57
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