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Tag: Hank Green

New Discoveries from Our Second Interstellar Visitor | SciShow News
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New Discoveries from Our Second Interstellar Visitor | SciShow News

[♪ INTRO] This year, scientists have had a chance to study something pretty mind-boggling: a comet that came from outside of our solar system. The comet appeared this summer, and on December 8th, it made its closest approach to the

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Something Is Creating and Removing Oxygen on Mars | SciShow News
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Something Is Creating and Removing Oxygen on Mars | SciShow News

{♫Intro♫} The Curiosity rover has been hard at work on Mars—both finding mysteries and trying to solve them. This is a detective story! Last year it discovered that levels of methane in the atmosphere were mysteriously changing. And now our

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Introduction: Crash Course U.S. Government and Politics
Voyager 2’s Notes from Interstellar Space | SciShow News
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Voyager 2’s Notes from Interstellar Space | SciShow News

[♪ INTRO] Sending a spacecraft to explore far-off places in the solar system is cool. But you know what’s even cooler? Sending spacecraft to explore outside the solar system. It’s new terrain for human-made objects, and we’ve only done it

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Giant Stars Don’t Follow the Rules | SciShow News
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Giant Stars Don’t Follow the Rules | SciShow News

[♪ INTRO] At first glance, the universe can seem pretty straightforward, like when it comes to dying stars. According to the standard story, which matches most of what we see around us, small stars die relatively quietly, while big ones

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Why Physics Can’t Totally Explain the Universe’s Expansion | SciShow News
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Why Physics Can’t Totally Explain the Universe’s Expansion | SciShow News

{ ♪ INTRO ♪ } Since the moment it began, the universe has been expanding. It took humanity a while to figure that out, but over the last century, astronomers have gotten pretty good at calculating how fast it’s happening

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Pluto Might Have a Liquid Water Ocean?! | SciShow News
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Pluto Might Have a Liquid Water Ocean?! | SciShow News

[ INTRO ] Pluto might once have seemed like the last place in the solar system to look for liquid water, given that its balmiest days peak around negative two hundred twenty-five degrees Celsius. But ever since the New Horizons

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New Evidence for Planet 9! | SciShow News
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New Evidence for Planet 9! | SciShow News

[♪ INTRO] Right now, we know of eight planets in our solar system, but for more than a century, scientists have been searching for number nine. It’s a proposed super-Earth: a planet past Neptune much larger than our own. Over

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What Happened to India’s Moon Lander? | SciShow News
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What Happened to India’s Moon Lander? | SciShow News

[ intro ] In the last fifty years, humans have landed enough spacecraft on the Moon that, if you’re not careful, the missions can start to feel… ordinary. Like, oh, more robots on the surface? Whatever, we’ve been doing that

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Planet 9 Could Be a Black Hole?! | SciShow News
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Planet 9 Could Be a Black Hole?! | SciShow News

[♩INTRO] In 2016, two Caltech astronomers proposed that our solar system is home to nine planets. And no, they didn’t reclassify Pluto. Instead, they found evidence for a hypothetical Neptune-sized planet at least forty billion kilometers from the Sun far

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