
How to watch the ‘once-in-a-lifetime’ comet and large supermoon over Philadelphia – NBC10 Philadelphia
Philadelphia-area stargazers are preparing for a double celestial treat this week with a rare comet and a massive moon set to shine in the night sky. “This could be a once-in-a-lifetime experience,” Derek Betts, a senior astronomer at the Franklin Institute, said of Comet Tsuchinshan-Atlas’s appearance over the Philadelphia area this week. “So, bring some…