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    Launch speed

    9.4 km/s and additional 1.5-1.6 km/s are used on aerodynamic and gravitational losses, however, the third stage which can launch a payload into orbit at an altitude of 500 km to 1000 km has 1,5 km/s speed.
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    Aliens at Venus

    Calm down, they just managed to find traces of phosphine - a substance consisting only of phosphorus and hydrogen, PH₃. Phosphine is one of the potential biomarker substances - that is, those that may indicate the presence of life on the planet.
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    Seriously Earth is flat or global round?

    It's ellipse-shaped
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    Population of mars?

    The population is clearly decreased from year to year.
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    Mars Rover Confirms Life And Music On Mars

    I don't know about the music on Mars, but we could really hear Mars
  6. C

    What has Elon Musk really done?

    His Falcon Heavy is the only rocket capable of lifting up to 64 tons of payload into low-earth orbit.
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