科技与人工智能

Latest estimate for Starship launches required to support a Moon landing? 22.

来源: Ars Technica - All content · 发布于

Latest estimate for Starship launches required to support a Moon landing? 22.
来源: Ars Technica - All content

NASA does not have, nor want, nuclear weapons. But when it comes to a particular metric that is part of the Artemis Program to land people on the Moon, NASA guards a particular number like they are trying to prevent outsiders from cracking nuclear codes. I am speaking of the numb

NASA does not have, nor want, nuclear weapons. But when it comes to a particular metric that is part of the Artemis Program to land people on the Moon, NASA guards a particular number like they are trying to prevent outsiders from cracking nuclear codes. I am speaking of the number of Starship launches required to fuel a Starship-based lunar lander in low-Earth orbit such that it can fly out to the Moon, land there, and return to lunar orbit.

This number has been a moving target over the years. The general response from NASA has typically been, 'We don't know for sure, so we're not going to say.' In 2023, for example, the then-director of NASA's Human Landing System, Lisa Watson-Morgan, told Ars , "We have a general idea, but I’m reluctant to say exactly what that is." Read full article Comments

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NASA captures strange waves high above Hurricane Simon
科学与环境

NASA captures strange waves high above Hurricane Simon

As Hurricane Simon unleashed destructive winds and flooding along Mexico’s coast, NASA satellites captured an extraordinary sight: massive atmospheric waves rippling high above the storm. The rare images reveal how powerful hurricanes can disturb the upper atmosphere, creating pa

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