Northern lights make for quite a sight — and some odd sounds

The northern lights of Earth are more than just dazzling light shows — they also generate their own strange applause too, a new study reveals.

The same energetic particles that create the dancing, dazzling northern lights high up in Earth's atmosphere also produce strange "clapping" noises just 230 feet (70 meters) from the ground, researchers said .... http://www.msnbc.msn.com