Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Wilkinson Microwave Anisotropy Probe (WMAP) Official site for this NASA Explorer mission "measuring the temperature of the cosmic background radiation over the full sky with unprecedented accuracy. This map of remnant heat from the Big Bang provides answers to fundamental questions about the origin and fate of our universe." Find images, background documents, essays on cosmology and the big-bang theory, links to technical papers, and more. http://map.gsfc.nasa.gov Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *