25 ethereal astronomy photos that literally light up the skies

Not all of us have a billionaire brother who can let us hitch a ride into space, so we rely on talented photographers to give us a glimpse into the beyond. London's Royal Museums Greenwich has unveiled the finalists for the Astronomy Photographer of the Year 2021. The astrophotography competition, which has been running for 13 years, received over 4,500 entries taken from 75 countries. Below, you'll find a collection of the incredible finalists, with the full shortlist available on the RMG websi...