Ballistic Gas Clouds Could Sweep Away Space Junk
Gassy outbursts from a suborbital rocket may be the cleanest way to get rid of hazardous space debris, suggests a new US patent application filed on 27 September by aerospace giant Boeing of Chicago. Space junk – derelict rocket bodies, broken or used-up satellites and debris generated by their endless collisions – is becoming the…
Weirdly, Venus Is Both Hotter and Colder Than Earth
Earth’s hotter, meaner twin is blowing hot and cold. This picture from Venus Express, the European Space Agency‘s planetary orbiter, shows Venus’s south pole in transition between day and night. As it turns out, sweltering Venus – average temperature a balmy 464 °C – hides a cold layer in its atmosphere. At 125 kilometres above…