National Geographic Science on Instagram: "Whether you’re watching the aurora borealis in the north or the aurora australis in the south, you’re seeing the same spectacle, caused by the solar wind hitting the Earth's magnetic field and producing currents of ions. Those ions collide with gas atoms in the atmosphere, creating extra energy that's released as photons. The result? Beautiful, cascading bands of light in the sky. #HostilePlanet is now streaming on @DisneyPlus."

90-ton 3D printer to build world's biggest rocket

Ankit on Instagram: "Follow @mov.fy for more... The aurora borealis, or northern lights, is one of nature’s most stunning light displays. This phenomenon occurs when charged particles from the Sun collide with Earth’s magnetic field, creating shimmering curtains of color across the polar skies. Shades of green, pink, purple, and blue dance across the night, captivating anyone lucky enough to witness them. Auroras form when solar winds send streams of charged particles toward Earth. As these part