Wednesday between noon and 6pm, bundle up and head to the Balloon Inflation entry on 72nd Street and Columbus Avenue. The delightful balloons are inflated along 77th and 81st streets between Central Park West and Columbus Avenue. These blocks surround the huge, must-seeAmerican Museum of Natural...
(The balloon is only partially inflated when it begins to rise, and expands by a factor of 200 as the atmospheric pressure around it decreases.) Like BLAST-Pol, BLAST-TNG will be able to rotate the entire telescope to scan the sky, and its sensitive detectors will be kept near absolute ...