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Very rarely, depending on where you are in the world, your compass can actually point to true north. https://www.shutterstock.com

Explainer: what happens when magnetic north and true north align?

Recently, magnetic compasses at Greenwich pointed directly at true north for the first time in 360 years. This is currently happening in Western Australia too. But what does it mean?
DSAC is prepping for a yearlong experiment to characterize and test its suitability for use in future deep space exploration. Jet Propulsion Laboratory

Why the Deep Space Atomic Clock is key for future space exploration

Measuring time is a crucial part of navigation – particularly in space, where exacting precision is called for. The DSAC is poised to make a change that will aid future deep space missions.
GPS is used in many devices to help us navigate. Flickr/daveynin

Predicting daily space weather will help keep your GPS on target

It’s well known that severe space weather events – which are quite rare – can have a negative impact on our use of Global Positioning System (GPS) enabled devices. But our research, published in Geophysical…
Sir David Gill, the most important astronomer you’ve never heard of? Uncredited via Wikimedia Commons

Sir David Gill – Scotland’s most notable astronomer?

There have been 10 astronomers royal for Scotland since the honour was created in 1834, only three of whom were Scots. I believe Aberdonian Sir David Gill (1843-1914), who never held the honour, trumps…

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