Tag Archives: Earth
Reason to keep NASA – Phobos Transpermia Fiasco
To leave planet Earth an escape velocity of 11.2 km/s (approx. 40,320 km/h, or 25,000 mph) is required, however a speed of 42.1 km/s is required to escape the Sun’s gravity (and exit the solar system) from the same position. The Phobos rocket is caught in Earth’s orbit and may never escape it.
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Posted in Science
Tagged Earth, Mars, NASA, Phobos, Rocket, Russia, science, space, Space Program
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