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It’s roomy in here
Recently I was talking to somebody about the expansion of the Universe and they asked me a very good question, “If space goes on forever, how can it be expanding?” This is related to one I’ve been...
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Taking the Plunge
2013 looks set to be an interesting year for those of us residing in the Milky Way (page view stats indicate this applies to the majority of visitors to this blog). In the middle of this year, the...
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98 Not-Out
It’s now almost a century since Albert Einstein published his theory of general relativity (GR) and we’re still trying to find a flaw in it. It remains our best theory of space, time and gravity. But,...
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Calm down, Sun
In the last few days (13 – 15 May 2013) the Sun has gotten a little over excited, spurting out 4 large flares in quick succession. One of these, unleashed in the early hours of Tuesday 14th, is the...
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The Cassini Mission: Part I – Saturn & the Journey There
A few days ago I read an article about plans for NASA’s & ASI’s Cassini probe to take a picture of the Earth from its orbit around Saturn, in the same vein as Carl Sagan’s Pale Blue Dot taken by...
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The Cassini Mission: Part II – The Moons
July 19th was ‘Wave at Saturn’ day, the day Cassini took our picture from in orbit around Saturn (so I do hope you waved). I feel, therefore, it’s time to post the promised and hotly anticipated Part...
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The Era of Gravitational Waves has Begun
We stand at beginning of a new era. Gravitational waves have been detected by LIGO coming from a pair of black holes colliding (wow, it feels good to type that). Gravitational wave astronomy is firmly...
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