solar system Archives - Colin Stuart https://www.colinstuart.net/category/solar-system/ Astronomy author and speaker Thu, 24 Mar 2022 10:21:40 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.5 https://www.colinstuart.net/wp-content/uploads/2021/03/cropped-Saturn1-32x32.png solar system Archives - Colin Stuart https://www.colinstuart.net/category/solar-system/ 32 32 166732936 Why Voyager 1 has NOT left the solar system https://www.colinstuart.net/voyager-1-not-left-solar-system/ Wed, 20 Dec 2017 18:49:48 +0000 https://colinstuart.net/?p=5484 The post Why Voyager 1 has NOT left the solar system appeared first on Colin Stuart.

]]> 5484 How many bananas would it take to get to Mars? https://www.colinstuart.net/many-bananas-take-get-mars/ Tue, 31 Oct 2017 23:10:34 +0000 https://colinstuart.net/?p=5231 No humans have left Low Earth Orbit since 1972, an achingly long time given the fervour of excitement surrounding the Apollo program that saw twelve men walk on the Moon. That said, eyes are starting to focus on Mars as a credible target for people to explore. The US have said they’re aiming for a […]

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]]> 5231 What if the Moon was really made of cheese? https://www.colinstuart.net/moon-really-made-cheese/ https://www.colinstuart.net/moon-really-made-cheese/#respond Tue, 31 Oct 2017 11:24:39 +0000 https://colinstuart.net/?p=5225 Of all the stories we pass on from generation to generation, one of the most persistent is that the Moon is made of cheese. The idea is a very old one, dating back at least as far as 1546 to The Proverbs of John Heywood which carries the line “the moon is made of a […]

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]]> https://www.colinstuart.net/moon-really-made-cheese/feed/ 0 5225 Asteroid (15347) Colinstuart https://www.colinstuart.net/asteroid-15347-colinstuart/ https://www.colinstuart.net/asteroid-15347-colinstuart/#respond Mon, 09 Oct 2017 13:02:33 +0000 https://colinstuart.net/?p=5156 The post Asteroid (15347) Colinstuart appeared first on Colin Stuart.

]]> https://www.colinstuart.net/asteroid-15347-colinstuart/feed/ 0 5156 A way to visualise the scale of the universe https://www.colinstuart.net/a-way-to-visualise-the-scale-of-the-universe/ Fri, 02 Dec 2016 22:12:39 +0000 http://www.colinstuart.net/?p=2311 I talk to a lot of people about the universe. Tens of thousands of people a year, ranging from 3-year-olds to 93-year-olds. And one of the things everyone finds hard to comprehend is the sheer scale of the universe. We’re used to dealing with a daily existence spanning mere metres. Sometimes we drive hundred of kilometres; […]

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]]> 2311 Planet Nine (and a reminder of what is and isn’t a planet) https://www.colinstuart.net/planet-nine-and-a-reminder-of-what-is-and-isnt-a-planet/ https://www.colinstuart.net/planet-nine-and-a-reminder-of-what-is-and-isnt-a-planet/#comments Thu, 21 Jan 2016 09:39:23 +0000 http://www.colinstuart.net/?p=2000 The internet and news media are awash with news of “Planet Nine”. For the last few years astronomers have known that some of the objects orbiting the Sun beyond Pluto appear to be mysteriously aligned. One possible explanation for this is that there is a large body even further out and the gravity of that […]

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