The End is Near: NASA's MESSENGER Now Running on Fumes - Universe Today
For more than four years NASA’s MESSENGER spacecraft has been orbiting our solar system’s innermost planet Mercury, mapping its surface and investigating its unique geology and planetary history in unprecedented detail. But the spacecraft has run out of the fuel needed to maintain its extremely elliptical – and now quite low-altitude – orbit, and the Sun will … Continue reading "The End is Near: NASA’s MESSENGER Now Running on Fumes"