Space's Deepest SecretsWW

Space's Deepest Secrets

ShareTweet

Dark Matter Binds The Universe Together

A simulation shows how the existence of habitable galaxies depends on dark matter.

More from this Show

Dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe.WWW

02:52

Space's Deepest SecretsW

What is Dark Energy?

i

Einstein's theory of general relativity was not always considered correct. It wasn't until Hubble made a grand discovery that the equation was fixed.... or was it? Some scientists believe the equation should actually go back to it's original form due to dark energy.WWW

02:50

Space's Deepest SecretsW

Einstein's "Biggest Blunder"

i

Evidence suggests that the so called "habitable zone" changes as the Sun ages. Many years ago, Venus may have resembled Earth and been home to life.WWW

02:54

Space's Deepest SecretsW

Venus Might Have Been in the Habitable Zone

i

Evidence shows that the Andromeda Galaxy is headed straight for our own. In the next few billion years, the two will collide. The Solar System will most likely be okay though.WWW

02:41

Space's Deepest SecretsW

The Andromeda and Milky Way Galaxies Will Collide

i

By studying similar stars, scientists believe they can predict what will happen to our Sun over time. One prediction is that the sun will get brighter as it ages.WWW

02:39

Space's Deepest SecretsW

Solar Twins Reveal the Future of the Sun

i

Is an ocean actually critical for life to survive? Does that ocean have to be made of water?WWW

03:01

Space's Deepest SecretsW

Can Life Form Without Water?

i

Photos from a zone on Mars called the Newton Crater are helping to shed light on the amount of water left on the planet. The moisture left is extremely salty, and possibly toxic to life forms.WWW

02:01

Space's Deepest SecretsW

Water on Mars is Incredibly Salty

i

Methane is the primary ingredient in many of Saturn's moon's lakes and seas. Scientists designed a submarine that can withstand the volatile chemicals that will be found in these methane lakes.WWW

02:58

Space's Deepest SecretsW

This Spacecraft Submarine Hybrid Will Explore Titan's Methane Lakes

i

After Voyager 2 left Saturn, scientists noticed something wrong with the space probe's camera. To fix it from Earth, over a billion miles away, they had to come up with a creative solution.WWW

02:38

Space's Deepest SecretsW

Fixing a Space Probe Camera From a Billion Miles Away

i

The Family Portrait is an image of the Solar System acquired by Voyager 1 on February 14, 1990 from a distance of approximately 6 billion kilometers from Earth.WWW

03:01

Space's Deepest SecretsW

Voyager 1 Took a Family Portrait of Our Solar System

i

According to current quantum theory, particles can spontaneously appear from nowhere. Since matter and antimatter are opposites, they cancel each other out almost instantly when they come in contact..but how are they influenced by external magnetic fieldsWWW

02:37

Space's Deepest SecretsW

How Do Matter and Antimatter Interact?

i

Ion thrusters create small thrust levels in comparison to conventional chemical rockets, but achieve high specific impulse. They could be practical in the vacuum of space.WWW

02:05

Space's Deepest SecretsW

This Thruster Can Propel a Spacecraft Almost Indefinitely

i

Jupiter’s Great Red Spot – the largest and longest-running storm in our solar system – is shrinking. Juan Lora, a planetary scientist at UCLA, explains why.WWW

02:31

Space's Deepest SecretsW

This Is Why Jupiter’s Great Red Spot Is Shrinking

i

Gravity from Jupiter and three neighboring moons twist Io's core, resulting in massive eruptions.WWW

02:48

Space's Deepest SecretsW

Io is the Most Volcanic Planetary Body in the Solar System

i

Instead of lava, freezing water is believed to burst from Wright Mons on Pluto.WWW

02:05

Space's Deepest SecretsW

The Ice Volcanoes of Pluto

i

Volcanic activity on Io, one of Jupiter’s moons, could be the key to the planet’s extraordinary auroras. Here’s how scientists at Syracuse University in New York have recreated volcanic activity on Io.WWW

02:08

Space's Deepest SecretsW

How to Recreate Volcanic Activity on One of Jupiter’s Moons

i

You May Also Like

After Voyager 2 left Saturn, scientists noticed something wrong with the space probe's camera. To fix it from Earth, over a billion miles away, they had to come up with a creative solution.WWW

02:38

Space's Deepest SecretsW

Fixing a Space Probe Camera From a Billion Miles Away

i

The Family Portrait is an image of the Solar System acquired by Voyager 1 on February 14, 1990 from a distance of approximately 6 billion kilometers from Earth.WWW

03:01

Space's Deepest SecretsW

Voyager 1 Took a Family Portrait of Our Solar System

i

Astronomers find a pulsar feeding off the gas of a nearby star.WWW

02:54

Space's Deepest SecretsW

A "Black Widow" Star is Devouring Its Neighbor

i

Ion thrusters create small thrust levels in comparison to conventional chemical rockets, but achieve high specific impulse. They could be practical in the vacuum of space.WWW

02:05

Space's Deepest SecretsW

This Thruster Can Propel a Spacecraft Almost Indefinitely

i

Watch how these trillion-year stars "throw tantrums".WWW

01:58

Space's Deepest SecretsW

A Red Dwarf's Mega-Flare is More Powerful Than 100 Million Atomic Bombs

i

The Arecibo Message was a radio signal sent into space with information about Earth in the hope that alien intelligence could understand it -- and respond.WWW

02:14

Space's Deepest SecretsW

Listen to the Message We Sent to Space

i

According to current quantum theory, particles can spontaneously appear from nowhere. Since matter and antimatter are opposites, they cancel each other out almost instantly when they come in contact..but how are they influenced by external magnetic fieldsWWW

02:37

Space's Deepest SecretsW

How Do Matter and Antimatter Interact?

i

A Dyson sphere is a theoretical mega-structure that could only be built by an advanced civilization. Have astronomers discovered one?WWW

02:56

Space's Deepest SecretsW

What's Passing in Front of This Star is Too Big to Be a Planet

i

Astronomers combine visible light, infrared light, ultraviolet light, X-rays, and radio waves for a dazzling image.WWW

01:37

Space's Deepest SecretsW

A Panchromatic View of the Galaxy

i

Even this small asteroid which burned up in the atmosphere still destroyed property and injured 1,500 people.WWW

02:20

Space's Deepest SecretsW

The Russian Meteor of 2013

i

Should our first off-world colony be in orbit, on the moon, or on Mars?WWW

02:56

Space's Deepest SecretsW

Where Should We Colonize First?

i

Explore one of the first planets discovered in another star's habitable zone.WWW

01:20

Space's Deepest SecretsW

Kepler 186f – An Earthlike World

i

Explore one of the first planets discovered in another star's habitable zone.WWW

02:25

Space's Deepest SecretsW

Cassini’s Final Moments

i

Scientists at the National Ignition Facility use lasers to create tiny fusion reactions, like those found in the sun.WWW

02:30

Space's Deepest SecretsW

i

Liquid water flows intermittently on the surface of Mars. In those streams, microbial life may have managed to arise.WWW

02:48

Space's Deepest SecretsW

If There’s Water on Mars, Could There be Life?

i

Dr. Alan Guth unveils the theory of inflation.WWW

02:19

Space's Deepest SecretsW

The Theory of Inflation

i