Spot the northern lights with Aurorasaurus
Crowdsourced project alerts users when aurora is visible near them
![An aurora in Greenland](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/ts_screentime-aurora_free.jpg?fit=860%2C460&ssl=1)
SKY FIRE The Aurorasaurus project tracks sightings of auroras, such as this one that lit up the skies of Greenland in October 2013.
Mads Pihl/Visit Greenland/Flickr (CC BY 2.0)