• Another launch


    Not all CMB (Cosmic Microwave Background) experiments get launched on a rocket. There’s a long history of telescopes flown from balloons — huge mylar balloons floating over 100,000 feet in the air. MAXIMA and BOOMERaNG, the first experiments to map out the microwave sky on the sub-degree scales containing information about the detailed physical conditions…

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  • Blast!



    Although the big satellites get most of the press, a lot of astronomy is done from balloons, huge mylar bubbles that can carry a gondola up to about 120,000 feet over the earth — more than 22 miles or 32 km. That’s high enough that much of the atmospheric contamination is gone, but a lot…

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