Four Views of Martian Global Dust Storm
At the 2001 Mars opposition, the planet was approximately 43 million miles (68 million km) from Earth.
The planet has a diameter of 4,222 miles (6,794 km) at the equator.
Principal Astronomers: J. Bell (Cornell U.), M. Wolff (Space Science Institute), R. Morris (JSFC)
255nm, 336nm, 410nm, 502nm, 547nm, 588nm, 631nm, 673nm, 680nm, 868nm, 953nm, 1042nm
J. Bell (Cornell University)