The pulsar test subjects spin very fast - around 44 times a second - and are 30% more massive than thesunbut are only 15 miles (around 24 kilometers) in diameter, making them incredibly dense. This means that t
It measured ten meters in diameter. They filled it with hot air and the balloon got two hundred meters into the air. It fell to earth about three kilometers __24__. At the next attempt, they arranged for a balloon to carry passengers. We do not know what the passengers felt about ...
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(3).They were right.They made a very large hot air balloon of cloth and paper.It measured ten meters in diameter.They filled it with hot air and the balloon got two hundred meters into the air.It fell to earth about three kilometers(4)At the next attempt,they arranged for a balloon...