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  2. Urban Sky - Wikipedia

    en.wikipedia.org/wiki/Urban_Sky

    Urban Sky Remote Sensing balloons operate in the stratosphere at an altitude of about 20km (about 65,000 feet), and are roughly the size of a car at launch with a payload attached underneath. [ 18 ] [ 19 ] The balloons grow in volume as they ascend and are roughly 11 times larger in the stratosphere than when they are near the ground. [ 20 ]

  3. Is anyone deliberately tampering with our atmosphere? If so ...

    www.aol.com/news/anyone-deliberately-tampering...

    The balloon will test changes in aerosols in the stratosphere. One thing scientists, conservationists and researchers are clear on is that solar geoengineering is not a get-out-of-jail card for ...

  4. Explorer II - Wikipedia

    en.wikipedia.org/wiki/Explorer_II

    Explorer II was a crewed U.S. high-altitude balloon that was launched on November 11, 1935, and reached a record altitude of 22,066 m (72,395 ft). Launched at 8:00 am from the Stratobowl in South Dakota, the helium balloon carried a two-man crew consisting of U. S. Army Air Corps Captains Albert W. Stevens and Orvil A. Anderson inside a sealed, spherical cabin.

  5. Giant balloons floating above Colorado’s wildfires could help ...

    www.aol.com/giant-balloons-floating-above...

    Floating up to the stratosphere, the region between four and 31 miles above the Earth’s surface, it was able to capture high resolution photos of the Alexander Mountain fire, near Fort Collins ...

  6. This climate change fix could save the world – or doom it - AOL

    www.aol.com/climate-change-fix-could-save...

    The balloon will be launched into the upper stratosphere, where it will pop and release its gas. That gas will ever-so-slightly reflect back the sun’s rays, infinitesimally cooling the Earth.

  7. World View Enterprises - Wikipedia

    en.wikipedia.org/wiki/World_View_Enterprises

    The Explorer human spaceflight experience (so called by World View, even though the flight would not reach space by any standards) is under development with the goal of carrying private individuals to approximately 100,000 ft (30.48 km) above Earth inside a pressurized capsule lofted by a helium-filled high-altitude balloon.

  8. Stratobowl - Wikipedia

    en.wikipedia.org/wiki/Stratobowl

    After seven hours in flight [5] the pilots noticed holes torn in the bottom of the gas bag; quickly losing gas, the balloon plunged into an uncontrolled dive, its gas bag disintegrating as the balloon picked up vertical speed. [4] At 5,000 feet (1,500 m) the remaining hydrogen exploded, sending the gondola in a free fall.

  9. Project Manhigh - Wikipedia

    en.wikipedia.org/wiki/Project_Manhigh

    Manhigh II balloon gondola displayed at the National Museum of the U.S. Air Force, Wright-Patterson AFB, Ohio As displayed in 2018. Project Manhigh was a pre-Space Age military project that took men in balloons to the middle layers of the stratosphere, funded as an aero-medical research program, though seen by its designers as a stepping stone to space.