Next 27 June 2024, the large Potentially Hazardous Asteroid (415029) 2011 UL21 will have a relatively close, but safe, encounter with us, coming at about 6.6 millions of km from the Earth. We will … Continue reading Potentially Hazardous Asteroid (415029) 2011 UL21 close encounter: online observation – 27 June 2024.
Copy and paste this URL into your WordPress site to embed
Copy and paste this code into your site to embed
