25 May 2020
Clashing galaxies may have triggered Solar System formation says new study
... thought. After analysing the ages of tens of millions of stars in a 6,500 light-year radius bubble around the Sun in order to understand star-forming events, researchers uncovered a striking coincidence; each time Sagittarius got uncomfortable close...
March 2016
Rosetta – Starting from Scratch
...environment for months or years while it travels around the Sun. The initial idea was even more ambitious - to land...: flying a solar-powered spacecraft at 800 million km from the Sun, hibernating a spacecraft for 2.5 years, navigating around a small, ...
November 2016
Rosetta - an eventful cruise phase
...of the spacecraft.. One month later, in early September, the Sun decided to frighten us, blinding the Rosetta Star Trackers by flooding...the spacecraft would not react to the loss of Sun presence by triggering survival modes. Rosetta flight control ...
October 2017
Saving geostationary orbit
... warning of extreme space weather events generated by the Sun. Debris problem Fifty years of GEO operations has resulted...addition, the Yarkovsky effect – where energy absorbed from the Sun is eventually re-radiated away as heat, creating a tiny ...
August 2018
Exoplanet census promises radical discoveries
...exoplanets), which are planets that orbit stars other than the Sun. From the first exoplanet discovery (by Swiss astronomers, Michel...to search for and characterise Earth-like planets around Sun-like stars. A starshade and telescope flying in formation...
November 2018
How many people does it take to colonise an exoplanet?
...gives some cause for optimism. Orbiting the nearest star to the Sun, this is the closest exoplanet we can find. It is likely...km/s by taking advantage of the enormous gravitational pull of the Sun. But even this translates to a travel time to Proxima ...
