This is a new, reusable engine that is ready to be installed on a rocket. It is a flight-ready engine, not a prototype, but it has not yet been certified and received the necessary permits from the regulatory authority. It is expected that the first launch using the new Rocket Lab engine will take place next year. Archimedes, powered by methane and oxygen steam, was tested at NASA's John C. Stenn

The liquid is hidden deep beneath the planet's surface. California planetologists have discovered large reserves of water in the crust of Mars at a depth of 10-20 km. The conclusion is based on an array of data collected by a seismometer, which was delivered to the planet's surface by the InSight spacecraft in 2018. Over 4 years, the device recorded more than 1,300 earthquakes. By analyzing the p