Nasa is currently planning to send the Solar Probe Plus to the sun in 2018 which will not carry astronauts as this could put their lives at risk if they went on the mission. The Solar Probe Plus will allow scientists to gather information about the sun by getting to a distance of about four million miles away from the sun as getting closer than this will most likely melt the probe.
The probe is designed so that it has a carbon composite shield which is four and a half inches thick. This will protect the probe from the heat as this will allow it to withstand temperatures of 1,370 degrees celsius. Scientists at NASA are looking forward to sending the probe to collect data as this could give information on the sun. NASA data shows that the surface of the sun is about 5,500 degrees celsius, whereas the atmosphere of the sun is about two million degrees celsius. They hope sending the probe to collect data will show why the atmosphere is hotter than the surface.
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