April 2020
Replacing hydrazine fuel with a greener alternative
... are others too, such as hydroxylammonium nitrate (HAN), also called AF-M315E, and proprietary bipropellant combinations of hydrogen peroxide combined with the hydrocarbon NHMF (non-toxic hypergolic miscible fuel). These new non-toxic alternatives...
January 2022
Revealing the magnetic universe
... mechanisms. As the galactic collision triggered a burst of star formation and reshaped the original spiral galaxy, they combined with gravitational forces to distort, twist and amplify the smaller-scale magnetic fields. Similar merging processes...
10 February 2020
ESA's Solar Orbiter probe blasts off to face the Sun
... their instruments’ operations according to the most recent observations of the Sun surface.” Solar Orbiter will use a combination of 10 in situ and remote-sensing instruments to observe the turbulent solar surface, the Sun’s hot outer atmosphere...
December 2014
MAVEN and the evolution of Mars
...potential for future long-term human presence. These, and a combination of adventure, inspiration and politics, have led to the current .... They will help constrain assumptions regarding how combinations of circumstances, such as surface liquid water,...
October 2015
From the kitchen… to the stars?
... firing tests of the KVD1 steering engine block, also using natural gas instead of hydrogen. This design combined a deflector that could move in two planes to an angle of ± 39.5°, at a thrust of 200 kgf and a chamber pressure of 40 kg/cm2; start...
August 2016
Our changing world and the mounting risk of a calamitous solar storm
...of this study would be to devise an architecture of a network of a number of these structures that could be combined to create an effective solar shield system. A combination of scores of these electro-magnetic force fields that could slow and divert...
