look up! your guide to some of the best meteor showers for 2020

Look up! Your guide to some of the best meteor showers for 2020

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A composite image of one night watching the Orionids meteor shower. Flickr/Jeff Sullivan Where 2019 was a disappointing year for meteor showers, with two of the big three (the Quadrantids, Perseids and Geminids) lost mainly...
a surprisingly big black hole might have swallowed a star from the inside out, and scientists are baffled

A surprisingly big black hole might have swallowed a star from the inside out,...

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A recently discovered black hole – found by the way it makes a nearby star wobble – is hard to square with our understanding of how these dark cosmic objects form. NAOC, Chinese Academy...
why do different cultures see such similar meanings in the constellations?

Why do different cultures see such similar meanings in the constellations?

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The Milky Way: a pattern of stars, or a pattern of gaps? Luke Busellato/Wikimedia Commons Almost every person throughout the existence of humankind has looked up at the night sky and seen more than...
an asteroid just buzzed past earth, and we barely noticed in time

An asteroid just buzzed past Earth, and we barely noticed in time

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Near-Earth asteroids such as Bennu, and 2019 OK which passes close to Earth this week, pose a potential threat to our planet. NASA A 100-metre-wide asteroid passed just 70,000km from Earth on Thursday, Australian...

Five ethical questions for how we choose to use the Moon

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When (if) we go back to the Moon we need some rules on behaviour. Flickr/coniferconifer, CC BY The Moon has always served as an inspiration for humanity, and there are many potential benefits for further...

Why the idea of alien life now seems inevitable and possibly imminent

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Relative sizes of planets that are in a zone potentially compatible with life: Kepler-22b, Kepler-69c, Kepler-62e, Kepler-62f and Earth (named left to right; except for Earth, these are artists’ renditions). NASA, CC BY This article is...

First black hole photo confirms Einstein’s theory of relativity

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Finally dragged out of the shadows. Event Horizon Telescope Collaboration Black holes are long-time superstars of science fiction. But their Hollywood fame is a little strange given that no-one has ever actually seen...
Guide to meteor showers Header

Look up! Your guide to some of the best meteor showers for 2019

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The 2018 Geminids meteor shower recorded over two very cold hours on the slope of Mount Lütispitz, Switzerland.  Flickr/Lukas Schlagenhauf The year gets off to a bang with the Quadrantids, the first of the annual...
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Earthrise, a photo that changed the world

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Earthrise: astronauts aboard Apollo 8 captured this spectacular photo of Earth rising above the lunar horizon as they emerged from behind the dark side of the Moon. Image Credit: NASA December 24 is the 50th...
Our long fascination with the journey to Mars Header

Our long fascination with the journey to Mars

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Signs of life on Mars? These are the tracks of NASA’s Curiosity rover exploring the Martian landscape. NASA/JPL-Caltech/MSSS It’s touchdown again on Mars, with NASA’s InSight probe due landing sucessfully yesterday. This latest mission will continue our exploration...