The Humans • 1989 • episode "9/10" The Sagan Series

Category: Astronomy

Carl Sagan talks about our place in the universe

The Sagan Series • 0 • 10 episodes •

The Frontier Is Everywhere

What are our frontiers?

1989 • Astronomy

Life Looks for Life

It's our fate to live in the dark...

1989 • Astronomy

A Reassuring Fable

Carl Sagan talks about religion and the universe

1989 • Astronomy

Per Aspera Ad Astra

"It is beyond our powers to predict the future"

1989 • Astronomy

Decide To Listen

Our species has discovered a way to communicate through the dark, to transcend immense distances

1989 • Astronomy

End of an Era: The Final Shuttle Launch

"You might have thought, as I did then, that our species would be on Mars before the century was over"

1989 • Astronomy

The Long Astronomical Perspective

Carl Sagan talks about our future and the exploration of space

1989 • Astronomy

Gift of Apollo

Humanity's first steps on the Moon.

1989 • Astronomy

The Humans

Carl Sagan talks about our place in the universe

1989 • Astronomy

Pale Blue Dot

"That's home. That's us. On it, everyone you ever heard of, every human being who ever lived.."

1990 • Astronomy

You might also like

Saturn's Moon Titan - Another Earth?

Even with a surface temperature of -180C, Saturn's moon, Titan, could be another Earth. There's evidence of dunes made of quantities of organic material that could contain the building blocks for DNA. Astrobiologists are conducting studies on the possibility that life could be present on Titan.

12Cosmic Front • 2014 • Astronomy

Naked Eye Observations

Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye.

#2Crash Course AstronomyAstronomy

The Universe

James May takes a journey of discovery across the universe.

S1E2James May's Things You Need to Know • 2011 • Astronomy

Big Bang Aftershock

The discovery of gravity waves in early 2013 was huge news around the world ... and so was the retraction after the scientists realized they'd made a mistake. This is a dramatic human story of brave scientists and big science in action at the South Pole.

2015 • Astronomy


In 2037, four years after Mars colonization, a storm threatens the outpost. In reality, Antarctica serves as a site for a simulated human settlement.

S1E4MARS • 2017 • Astronomy

Our Voyage to the Stars

One day, a cosmic disaster will make life on Earth impossible. To survive, we must find a new home amongst the stars. Scientists are already developing new propulsion systems to take us to these distant worlds.

S3E8How the Universe Works • 2014 • Astronomy