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.
Related story Hubble team marks 20 years with a new view. A beautiful view of a star in its death throes is featured in a gallery of images sent back by the Hubble Space Telescope after its final shuttle servicing mission in May 2009.'m very proud to be able to say, 'mission accomplished.'. Although this was Hubble's official coming-out party, the first image from the upgraded telescope was actually released in July, showing the aftermath of Jupiter's collision with a suspected comet.