Space's Deepest Secrets
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Space's Deepest Secrets
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Where Should We Colonize First?
Should our first off-world colony be in orbit, on the moon, or on Mars?
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Dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe.
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02:52
Space's Deepest Secrets
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What is Dark Energy?
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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.
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02:50
Space's Deepest Secrets
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Einstein's "Biggest Blunder"
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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.
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02:54
Space's Deepest Secrets
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Venus Might Have Been in the Habitable Zone
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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.
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02:41
Space's Deepest Secrets
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The Andromeda and Milky Way Galaxies Will Collide
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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.
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02:39
Space's Deepest Secrets
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Solar Twins Reveal the Future of the Sun
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Is an ocean actually critical for life to survive? Does that ocean have to be made of water?
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03:01
Space's Deepest Secrets
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Can Life Form Without Water?
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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.
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02:01
Space's Deepest Secrets
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Water on Mars is Incredibly Salty
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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.
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02:58
Space's Deepest Secrets
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This Spacecraft Submarine Hybrid Will Explore Titan's Methane Lakes
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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.
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02:38
Space's Deepest Secrets
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Fixing a Space Probe Camera From a Billion Miles Away
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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.
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03:01
Space's Deepest Secrets
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Voyager 1 Took a Family Portrait of Our Solar System
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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 fields
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02:37
Space's Deepest Secrets
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How Do Matter and Antimatter Interact?
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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.
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02:05
Space's Deepest Secrets
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This Thruster Can Propel a Spacecraft Almost Indefinitely
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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.
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02:31
Space's Deepest Secrets
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This Is Why Jupiter’s Great Red Spot Is Shrinking
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Gravity from Jupiter and three neighboring moons twist Io's core, resulting in massive eruptions.
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02:48
Space's Deepest Secrets
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Io is the Most Volcanic Planetary Body in the Solar System
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Instead of lava, freezing water is believed to burst from Wright Mons on Pluto.
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02:05
Space's Deepest Secrets
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The Ice Volcanoes of Pluto
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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.
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02:08
Space's Deepest Secrets
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How to Recreate Volcanic Activity on One of Jupiter’s Moons
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Explore one of the first planets discovered in another star's habitable zone.
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01:20
Space's Deepest Secrets
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Kepler 186f – An Earthlike World
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Explore one of the first planets discovered in another star's habitable zone.
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02:25
Space's Deepest Secrets
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Cassini’s Final Moments
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Driving rovers across a foreign planet is not easy. Scientists never expected the types of rocks they found on the surface of Mars, and unfortunately they're hurting Curiosity's tires.
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02:38
Mars: The Secret Science
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This is How NASA Guides Curiosity Around Mars
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With current technology, the round trip journey to Mars would take about 2 years. There are so many factors to think about including radiation, medical emergencies, and housing.
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02:46
Mars: The Secret Science
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Preparing Astronauts for the Journey to Mars
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Meet the man who is designing the space suits astronauts will wear on Mars! Unlike astronauts on the ISS, Mars astronauts will not be able to quickly communicate with scientists on Earth in case of an emergency.
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01:15
Mars: The Secret Science
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Mars Space Suit Designs
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Remember the dune buggy Apollo astronauts drove on the moon? Meet its upgraded, big brother! The Space Exploration Vehicle is getting prepped for Mars!
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01:11
Mars: The Secret Science
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Meet the New Space Exploration Vehicle
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Just a few months into it’s mission, Curiosity spots ground that may have once been part of a lake. The Curiosity team risked it all to drill out a section of the ground here.
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03:03
Mars: The Secret Science
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Finding Clay on Mars
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Before sending Curiosity to Mars, a replica must be tested on Earth. Scientists make sure this mega machine can handle the tough terrain and gravity on the red planet.
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02:41
Mars: The Secret Science
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Testing Curiosity on Earth
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Analyzing sand on Mars is even harder when a substance like perchlorate is present. When Curiosity’s SAM, otherwise known as Sample Analysis at Mars, investigates sand, it uses heat. Heat which triggers perchlorate’s explosive tendencies.
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02:14
Mars: The Secret Science
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A Substance in Mars’ Sand is Explosive
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An entrepreneur wants to send people to Mars by 2027. The catch? It's a one way trip. These people will create the first colonies on the red planet.
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02:39
Mars: The Secret Science
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Would You Take the One Way Trip to Mars?
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Mars is a thousand times farther away than the moon from Earth, but Elon Musk believes his team can get people there.
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02:41
Mars: The Secret Science
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Behind the Scenes at SpaceX
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Mars may have had a core similar to Earth’s. The power it once generated created a magnetic field that protected the red planet’s water.
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02:39
Mars: The Secret Science
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What Happened to Mars’ Water?
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For years, many scientists had thought that plate tectonics existed nowhere in our solar system but on Earth.
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02:08
Mars: The Secret Science
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What Causes Quakes on Mars?
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The Cassini probe witnessed a gigantic storm that stretch all the way around Saturn.
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00:59
Cassini’s Finale
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Cassini Tracked a Hurricane on Saturn
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Most solar systems do a lot of smashing around before they settle down like our own orderly system.
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01:59
How the Universe Works
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Bound to Collide
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Mars is about half the size of Earth, yet has volcanoes that are much larger than the ruptures on our planet. In this web exclusive, explore off-world volcanoes.
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05:29
How the Universe Works
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Volcanoes on Other Planets
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