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Elon Musk: “Path to Petawatts is Mass drivers on Moon” SpaceX’s Lunar Mass Driver is a planned electromagnetic launch system on the Moon, similar to a giant coilgun-style catapult, designed to launch solar-powered AI compute satellites into orbit or deep space at extremely low cost

On January 15, 2025, Falcon 9 successfully deployed Firefly Aerospace’s Blue Ghost Mission 1 and ispace’s RESILIENCE lunar landers on a trajectory to the Moon from pad 39A in Florida. For most of our missions, we plan a controlled deorbit of the Falcon second stage so it safely reenters over the ocean. For higher energy missions like those to a lunar transfer orbit, nearly all performance on the vehicle is devoted to successfully placing the payload in the intended orbit, and a controlled disposal maneuver is not always possible. We actively work to be as responsible as possible with hardware left in space to ensure space safety, including for more complex missions. In this case, over time, solar activity and gravity led the second stage toward the Moon. Impacts like this are rare, but they can happen with objects in these types of orbits, and we worked with NASA on the optimal disposal solution. Our focus remains on advancing reliable access to space while working toward even more sustainable operations with Starship in the future. As a fully reusable vehicle, Starship is designed to eliminate expendable upper stages entirely, reducing hardware left in orbit and enabling even more missions to the Moon, Mars, and beyond.

世界各国的LLM，韩国最近的势头也很猛 美国模型：Claude（Anthropic）、GPT（OpenAI）、Gemini（Google）、Grok（SpaceX）、Muse（Meta）等； 中国：DeepSeek（DeepSeek）、Kimi（月之暗面）、GLM（智谱）、Qwen（千问）、Seed（字节）等； 法国：Mistral（Mistral），最大675B 加拿大：Command（Cohere），最大218B 韩国：K-EXAONE（LG）、A.X-K2（SKT）、Motif（Motif）、Solar（Upstage），最大750B 印度：Sarvam（Sarvam），最大105B 阿拉伯：Jais（Inceptionai），最大70B

It’s #SunDay#! Here’s your space weather report for the week of July 17 - July 23: • 5 M-class flares • 2 C-class flares • 31 coronal mass ejections • 0 geomagnetic storms This video from NASA’s Solar Dynamics Observatory (SDO) shows the week’s activity. It was a fairly calm week on the Sun as SDO’s daily Earth eclipses punctuate our view of the Sun. The spacecraft’s Earth eclipse season, which began on July 5, continues through August 2. Eclipse seasons are three-week periods twice a year when the spacecraft’s orbit passes “behind” Earth, briefly blocking out the Sun each day. Learn more about space weather:

Peter is not correct about me in this case. I have always known that dangers from Earth will also pose dangers to Mars. Obviously so. However, the immense difficulty of traveling to Mars means that there is a much higher likelihood of mitigating risks originating from Earth. A clear example of major risk reduction would be a deadly pandemic. Since it takes 6 months to reach Mars, there is an automatic 6 month quarantine! Even traveling at the speed of light, a deadly computer virus or AI attack can potentially be stopped due to Mars being ~4 to ~20 light-minutes from Earth. This doesn’t mean that a Mars civilization eliminates all risk, but it absolutely greatly reduces the risk of consciousness being extinguished. Moreover, Mars is a stepping stone to extending consciousness broadly within our solar system and ultimately to millions of stars within our galaxy, which would extend the probable lifespan of consciousness as we know it by many orders of magnitude. That said, what I personally find most motivating is not the risk reduction aspect of extending life beyond Earth, but rather the inspiring nature of exploration and being out there among the stars! Perhaps we will meet aliens or find the remains of long-dead civilizations that lasted millions of years …