Tuesday March 19, 2019
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Elon Musk planning to use 4000 satellites to beam internet from space

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By NewsGram Staff Writer

Entrepreneur Elon Musk has requested permission from US Federal Communications Commission to let his company SpaceX test a project to beam internet using satellites.

The test involves 4,000 satellites being sent up into the orbit on a Falcon 9 rocket. The Independent reported that these satellites would communicate with ground stations in the US and establish whether those connections would be enough to send information from the ground to the satellites with enough speed and consistency.

Reportedly, Musk has been hoping to surpass conventional Internet companies by providing cheap and fast internet to people in remote locations who have always struggled to get the facility.

However Musk is not the only one interested in this technology; Virgin Group founder Richard Branson has supported OneWeb, a company that’s also developing a satellite constellation capable of delivering internet access from space.

Reportedly the filing has asked the government to allow the company to start testing the satellites next year. After that, the service could start in about five years.

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Study Reveals Solar Cells Can Retain Most Of Their Power Conversion Efficiency in Near Space

In the study, researchers from China's Peking University sent the devices fixed with PSCs into near space on a high-altitude balloon.

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solar energy
Perovskite solar cells (PSCs) are known for their potential of achieving higher efficiency and low production costs compared to traditional silicon solar cells. Pixabay

Chinese researchers have found that solar cells can retain most of their power conversion efficiency in near space, providing perspectives on the cells’ future application in space.

Perovskite solar cells (PSCs) are known for their potential of achieving higher efficiency and low production costs compared to traditional silicon solar cells.

These cells also have great potential for developing the new-generation energy technology for space application, but little research has been done to test the stability of PSCs in the extreme space environment, Xinhua news agency reported.

In the study, researchers from China’s Peking University sent the devices fixed with PSCs into near space on a high-altitude balloon.

energy
These cells also have great potential for developing the new-generation energy technology for space application, but little research has been done to test the stability of PSCs in the extreme space environment, Xinhua news agency reported. Piixabay

The balloon rose to near space at an altitude of 35 km, a region above Earth’s atmosphere where there is only a trace amount of moisture and ozone.

The region, considered to have “air mass zero” contains no atmospheric attenuation of solar radiation and therefore several high-energy particles and radiation, such as neutrons, electrons and gamma rays, originate from the galactic cosmic rays and solar flares.

solar cells
Chinese researchers have found that solar cells can retain most of their power conversion efficiency in near space, providing perspectives on the cells’ future application in space.
Pixabay

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According to the findings, one type of PSCs used in the study retained more than 95 per cent of its initial power conversion efficiency during the test, the researchers reported in the journal Science China Physics, Mechanics and Astronomy.

They said the study is expected to play a crucial role in the future stability research of PSCs. (IANS)