The competition organised by Warsaw company CloudFerro set out to identify the most beautiful images of the Earth.
To locate the free-floating planet, a team of international astronomers led by those from the University of Warsaw’s OGLE team at the Astronomical Observatory used an astronomical phenomenon called gravitational microlensing.
Preserving biodiversity is vital for life on Earth, Polish President Andrzej Duda said at a UN summit devoted to biodiversity on Wednesday as he stressed what he called Poland's centuries-long track record in environmental protection.
The object called 2020 CD3 and measuring just a few metres in diameter, entered Earth's orbit about three years ago. The ‘mini-moon’ circles the Earth every 47 days but is slipping from Earth’s gravitational pull and in few months will leave us.
The technology can aid emergency services fighting forest fires when normal satellite images are obscured by smoke.
At the end of July a massive asteroid dubbed ‘City Killer’ hurtled past earth. If it had hit Warsaw, the whole of central Poland would have been threatened with a crater several kilometres wide and 400 metres deep, says planetary geologist Dr Anna Łosiak.
Named by the Polish astronomers who found them, the planets could be just two of millions floating through the galaxy. So far, though, scientists have only managed to locate a dozen or so rogues, which is why adding these two to the bunch is deemed important.