Tag Archives | orbit

vesta

Climate change studies vexed by Vesta

Paleoclimate studies, where scientists look into the past to try and understand changes in Earth’s climate, may be a waste of time if astronomers are correct in their theory that relatively minor bodies like the asteroid Vesta can cause chaotic fluctuations in Earth’s orbit. NASA’s Dawn space-probe flew by Vesta last Saturday. The journal Astronomy […]

Continue Reading
mxer

Into Orbit Via A Slingshot

The public’s imagination may have been fired up in the past by proposals for “space elevators” – where satellites or space vehicles are carried up a 62,000 mile cable into space – but the technological challenges that exist for such a project make its implementation a futuristic dream. But another type of tether may hold […]

Continue Reading

Powered by WordPress. Designed by WooThemes