Stars shine in the night sky over a remote piece of desert outside of Dakhla in Morocco-administered Western Sahara, Tuesday, December 22, 2020. (Photo by Mosa'ab Elshamy/AP Photo)





Mount Etna erupts near Sicily, Italy on March 15, 2021. This is the thirteenth time in twenty-eight days. During the early evening of 14 March and the night between 14 and 15 March a strombolian activity at the Southeast Crater gradually increased, leading to a paroxysmal event which had its peak around 01:00 am, ash blown by the wind touched the south-southeast slope of the volcano reaching also Catania, the event ceased completely around 3:45, photo taken from Milo near Catania on March 15, 2021. (Photo by Salvatore Allegra/Anadolu Agency via Getty Images)





A long exposure photograph creates a spherical effect over the Yangtze River in Yichang, China on January 17, 2021. (Photo by Barcroft Media via Getty Images)





A long exposure photo shows Leonids meteor shower in the night sky over the Stone Dolls in Kuklice, near Kratovo, Republic of No​rth Macedonia, 17 November 2020. (Photo by Georgi Licovski/EPA/EFE)





The Milky Way with Saturn and Jupiter viewed from Koh Chang, Thailand on December 21, 2020. Astronomers call this unique astronomical event as a “great conjunction”. The last time such conjunction was seen was on March, 1226. (Photo by Chakarin Wattanamongkol/Getty Images)





The core of the Milky Way becomes visible in the early hours of Tuesday morning as it moves over Bamburgh Lighthouse at stag Rock in Northumberland on Tuesday, April 13, 2021. (Photo by Owen Humphreys/PA Images via Getty Images)





A view of the Milky Way during a Perseids meteor shower in the night sky over a beach in Limnos Island, north Aegean, Greece, 18 August 20​20. (Photo by Nikos Arvanitidis/EPA/EFE)





View of the Villarrica volcano taken from Pucon, some 800 kms south of Santiago, showing signs of activity on September 11, 2019. Villarrica Volcano is among the most active in South America. (Photo by Cristobal Saavedra Escobar/Reuters)





The Milky Way is seen over a turanga tree in the upper reaches of the Ili River, in Almaty Region, Kazakhstan on October 14, 2020. (Photo by Pavel Mikheyev/Reuters)





A view shows a ruined church in the village of Taghavard in the region of Nagorno-Karabakh, January 10, 2021. Following the military conflict over Nagorno-Karabakh and a further signing of a ceasefire deal, the village was divided into two parts: the Azeri forces stayed in the upper western end and those ethnic Armenians who did not flee live now in the east, reinforced by armed units. (Photo by Artem Mikryukov/Reuters)





The Milky Way's Galactic Centre and Jupiter (brightest spot at centre top) are seen from the countryside near the small town of Reboledo, department of Florida, Uruguay, early on August 24, 2020. (Photo by Mariana Suarez/AFP Photo)





A U.S. Army soldier assigned to Site Security Team Task Force Guardian, 1st Battalion, 186th Infantry Brigade Combat Team, provides security for a C-130J Super Hercules from the 75th Expeditionary Airlift Squadron (EAS) at an unidentified location in Somalia Wednesday, June 10, 2020. No country has been involved in Somalia's future as much as the United States but now the Trump administration is thinking of withdrawing the several hundred U.S. military troops from the nation at what some experts call the worst possible time. (Photo by Staff Sgt. Shawn White/Combined Joint Task Force – Horn of Africa via AP Photo)





This long-time exposure photo shows the aurora in Fox Glacier, South Island, New Zealand, in the early morning of February 8, 2021. (Photo by Chine Nouvelle/SIPA Press/Rex Features/Shutterstock)





The galactic centre of the Milky Way glows brightly in the clear night sky above the lighthouse at Portland Bill on the Dorset Jurassic Coast, United Kingdom on April 13, 2021. (Photo by Graham Hunt/Alamy Live News)





A person shines a torch into the night sky on the ski fields on September 14, 2020 in Charlotte Pass, Australia. Visitors to the Charlotte Pass ski resort have been enjoying spring snow conditions, with the ski season expected to continue until 4 October 2020. Charlotte Pass has an elevation of 1837 metres and has escaped some of the higher temperatures in lower resorts which has the snow melting earlier than others. (Photo by Bill Blair#JM/Getty Images)