... A Solar Prominence from SOHO . ... A solar prominence is a cloud of solar gas held above the Sun's surface by the Sun's magnetic field. ... What would it be like to walk across Mars? ... Aurora from Space . ... But the International Space Station (ISS) orbits at nearly the same height as many auroras, sometimes passing over them, and sometimes right through them. ... A Soyuz Spacecraft Approaches the Space Station . ... Last month, a Soyuz TMA-7 spacecraft docked with the International Space Station...