Tagged observation

mars

Space 01

A 100 km/h Martian storm pushes like a 12 km/h breeze on Earth. We run the tipping math for a 50 m rocket and find what Mars dust really threatens.

Space 02

About 7 months, but why? We derive the 259-day Hohmann transfer, the 26-month launch window and why most real probes arrive in 200 to 230 days.