June 2022
Protecting crews in interplanetary ships and space colonies from the space environment
..., including the long-term effects of spaceflight on humans. Indeed, the dangers of high-energy solar and galactic radiation, as well as long-term weightlessness, were unknown in 1948, and further discoveries confirmed his assumptions. Fig. 1. Options...
February 2020
Surviving bacteria in space
... Nuclear Techniques in Tunisia (directed by Dr Najla Ben Miloud) has applied the highly-trusted decontamination method of ionising radiations - already widely used in the food and drug industry - to the issue of biofilm surface colonisation. The idea...
May 2021
Forecasting space-weather effects on Earth
...variations of the ring current, which encircles the Earth close to the magnetic equator in the Van Allen radiation belts, on an hourly basis. It is calculated as an average value of the horizontal component of the magnetic field observed at four near...
April 2020
Evolutionary lessons for an interplanetary future
..., repairs, or exploration - would increase the radiation exposure. This radiation exposure means that people living on Mars are ... percent gravity? How do lower gravity and higher radiation exposure affect child development? Will children born on Mars...
25 July 2018
Radiation on Europa dictates where search for life begins
... the building blocks for proteins and they also serve as a useful example of molecular survival in high radiation environments. "The radiation that bombards Europa's surface leaves a fingerprint," said Kevin Hand, co-author of the new research and...
February 2016
Defending Earth against cosmic hazards
... and was imaged by NASA’s Solar Dynamics Observatory (SDO) Earth is a constantly bombarded not just by solar radiation but by cosmic radiation originating from the nuclear reactions in stars, from novae and supernovae and even pulsars. Recent...
