2021年3月7日 · Page 4 - Seeking answers about space? Join the Space community: the premier source of space exploration, innovation, and astronomy news, chronicling (and celebrating) humanity's …

2021年8月3日 · Engines of reusable sounding rockets are said to be throttleable from 40% to 100% of thrust to sustain a vertical landing of the launch vehicle. Boost and sustainer engines have …

2021年3月7日 · Boeing has proven that if you tell people for long enough how difficult and expensive spaceflight is then they will eventually believe you. Conversely, or so it appears, when that belief …

2021年2月3日 · We just had another crash on landing this week. Rockets actually take a lot of abuse. This weeks Falcon Nine had flown (If I recall correctly) six times previous to this. It most likely had an …

2021年2月24日 · I am fond of the technology that is manufactured by small but promising space firm from Scotland. I am staggered by the microsatellites they make and also by some types of rockets …

2024年10月7日 · KateP2016 replied to the thread NASA astronaut photographs SpaceX's private Polaris Dawn capsule reentry from ISS (photo). Why can't the Dragon use the Super Draco rockets on the …

2025年1月1日 · Page 2 - Seeking answers about space? Join the Space community: the premier source of space exploration, innovation, and astronomy news, chronicling (and celebrating) humanity's …

2022年3月6日 · Apparently it may require more than six months to send up ten refueling rockets before the star ship could leave orbit and proceed to the moon. Musk says that the star ship can orbit the …

2021年1月25日 · Do you know that solar activity has a huge impact on our technology. Our technology in space, to our technology on the ground, historical evidence shows the vulnerability of modern …

2022年6月9日 · Hello: This Active Region 3029 was determined to be a spotless plage area yesterday. A new ring of sunspots grew very quickly close to the old active region. NOAA has numbered this new …