Meteorology. a line drawn on a weather map or chart that connects points at which the barometric pressure is the same. Also, isobare [ahy-suh-bair] /ËaÉª sÉËbÉÉr/ (Show IPA). Physics, Chemistry. one of two or more atoms having equal atomic weights but different atomic numbers.
Hubble Essentials. With the Hubble Space Telescope on board, Discovery begins its roll maneuver after liftoff from Kennedy Space Center on April 24, 1990. This low-angle view of the launch shows the shuttle atop the external tank, flanked by two solid rocket boosters, as it rises into the sky.
I have no idea. It took 20 years to build and launch the hubble telescope, a total of seven years after the proposed launched date in 1983, and even then it was not operational as one of it's main mirrors had been fitted incorectly, and it took another three years for a servicing mission made it fully operational. I have no idea.