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Tag: astronomy

Lawrence Krauss – Hidden Realities: The Greatest Story Ever Told.. So Far
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Lawrence Krauss – Hidden Realities: The Greatest Story Ever Told.. So Far

Evening ladies and Gentleman, welcome to thee (???) Conway uh- memorial lecture. these lectures have been going on since 1910. with not many interuptions– there where a couple during the second world war. although in fact there where occassions on

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How centuries of sci-fi sparked spaceflight | Alex MacDonald
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How centuries of sci-fi sparked spaceflight | Alex MacDonald

I want to tell you a story about stories. And I want to tell you this story because I think we need to remember that sometimes the stories we tell each other are more than just tales or entertainment or

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Sir Martin Rees: Earth in its final century?
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Sir Martin Rees: Earth in its final century?

If you take 10,000 people at random, 9,999 have something in common: their interests in business lie on or near the Earth’s surface. The odd one out is an astronomer, and I am one of that strange breed. (Laughter) My

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The story of ‘Oumuamua, the first visitor from another star system | Karen J. Meech
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The story of ‘Oumuamua, the first visitor from another star system | Karen J. Meech

NASA’s always on the lookout for possible asteroid collision hazards, so the Pan-STARRS telescope is scanning the sky every night. Each morning, candidate objects are examined by Pan-STARRS staff and usually discovered to be no big deal. But on October

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Messages For The Future
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Messages For The Future

Hey, Vsauce. Michael here. This is Earth as seen from Saturn. That is us right there. And if you look closely, ok, see this little protuberance? That’s the Moon. This image was taken by the Cassini spacecraft on July 19th,

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How Eclipses Changed History
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How Eclipses Changed History

On Aug. 21st, the moon’s shadow will shoot across North America going more than a thousand miles per hour. Everyone in this area will get the chance to see the sun at least partially covered by the moon. And along

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A Tour Of The Lagrange Points. Part 1 – Past And Future Missions To L1
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A Tour Of The Lagrange Points. Part 1 – Past And Future Missions To L1

Thanks to gravity, there are places across the Solar System which are nicely balanced. They’re called Lagrange Points and they give us the perfect vantage points for a range of spacecraft missions, from observing the Sun to studying asteroids, and

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Light seconds, light years, light centuries: How to measure extreme distances – Yuan-Sen Ting
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Light seconds, light years, light centuries: How to measure extreme distances – Yuan-Sen Ting

Light is the fastest thing we know. It’s so fast that we measure enormous distances by how long it takes for light to travel them. In one year, light travels about 6,000,000,000,000 miles, a distance we call one light year.

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Women and the Stars Part I: Prehistory to the Scientific Revolution
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Women and the Stars Part I: Prehistory to the Scientific Revolution

It gives me great pleasure to welcome you to this Ada Lovelace Day lecture, where we will be learning about women in science from my colleague Dr Helen Klus. Ada Lovelace Day Is a day all about celebrating the achievements

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OSIRIS-Rex and New Horizons Ultima Thule Set Records During Busy First Week of 2019