NASA’s Opportunity rover captured spectacular views of Mars
Started by Australia in 2007, Earth Hour is an annual event in which lights are switched off for an hour in major cities around the world to draw attention to energy consumption and its environmental effects.
ColumbiaPeople light candles and form a “60+” sign during the Earth Hour environment campaign in Colombia. Earth Hour, which started in Australia in 2007, is being observed by millions of supporters in 187 countries, who are turning off their lights at 8.30 p.m. local time in what organizers describe as the world’s “largest grassroots movement for climate change.”Luis Robayo/AFP/Getty Images
NASA tried one last time to contact its record-setting Mars rover Opportunity, but declared it dead on Feb. 13, 2019, 15 years after arriving at the Red Planet. The solar-powered rover has been silent for eight months, victim of one of the most intense dust storms in decades.