Astronauts face constant radiation as particles streaming off the Sun and high-energy cosmic rays bombard their bodies. Left unchecked, radiation can trigger all sorts of health issues, most notably boosting the danger of developing cancer. When NASA plans missions, the agency uses a radiation exposure cap to determine how long astronauts can stay in space. But that cap isn’t equal for all astronauts.
Diese Geschichte stammt aus der Issue 120-Ausgabe von All About Space.
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Diese Geschichte stammt aus der Issue 120-Ausgabe von All About Space.
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"We knew that this would be a historic comet"
Astronomer David Levy was immortalised for his co-discovery of Comet Shoemaker-Levy 9 – its impact with Jupiter 29 years ago held the world in awe
CELESTRON STARSENSE EXPLORER DX 102AZ
Innovative technology provides the simplest and quickest solution yet to finding objects to observe, and this instrument will be very popular with beginners
MOON TOUR - COPERNICUS
Get up close to the ‘Monarch of the Moon’
A HUNGRY BLACK HOLE 'SWITCHES ON' AS ASTRONOMERS WATCH IN SURPRISE
J221951 is one of the most extreme examples yet
MYSTERIES OF THE UNIVERSE - WHY DOES JUPITER CHANGE COLOUR?
For years, scientists have tried to work out why Jupiter’s bands frequently move and change colour. Now they believe they’ve found the answer
MARS HELICOPTER PHONES HOME AFTER A 63-DAY SILENCE
Rugged terrain had kept Ingenuity from communicating with its robotic partner, the Perseverance rover
SIX OF THE BEST SPACE PRANKS
It turns out that the sky isn’t the limit when it comes to a good old-fashioned practical joke
CLIMATES CHANGE IN THE SOLAR SYSTEM
Alongside Earth, our planetary neighbourhood is changing. But not for the better…
TIME APPEARED TO MOVE FIVE TIMES SLOWER IN THE FIRST BILLION YEARS AFTER THE BIG BANG
Time dilation, brought about by the relativistic expansion of space, has resulted in the observed slowing of ‘clocks’ in the early universe
WHAT CAN WE DO WITH A CAPTURED ASTEROID?
Asteroids could provide us with rare resources