Space: NASA begins process of bringing new space telescope into focus

Mission control engineers at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, began by sending their initial commands to tiny motors called actuators that slowly position and fine-tune the telescope’s principal mirror.

Those segments must now be detached from fasteners that held them in place for the launch and then moved forward half an inch from their original configuration – a 10-day process – before they can be aligned to form a single, unbroken, light-collecting surface. “All of this required us to invent things that had never been done before,” such as the actuators, which were built to move incrementally at -400 Fahrenheit in the vacuum of space, he added.

The $9-billion telescope, described by NASA as the premier space-science observatory of the next decade, will mainly view the cosmos in the infrared spectrum, allowing it to gaze through clouds of gas and dust where stars are being born. Hubble has operated primarily at optical and ultraviolet wavelengths.

Wow, amazing technological advances. But in South Africa, we still can't get sprinklers to work.

𝙸 𝚓𝚞𝚜𝚝 𝚖𝚊𝚍𝚎 R100k 𝚒𝚗 5 𝚍𝚊𝚢𝚜 𝚘𝚏 𝚝𝚛𝚊𝚍𝚒𝚗𝚐, 𝚒𝚝'𝚜 𝚞𝚗𝚋𝚎𝚕𝚒𝚎𝚟𝚊𝚋𝚕𝚎! 𝙰𝚕𝚕 𝚝𝚑𝚊𝚗𝚔𝚜 𝚝𝚘 Stephanie_fx_tr 𝚐𝚛𝚊𝚝𝚎𝚏𝚞𝚕 𝚖𝚊, 𝙸'𝚕𝚕 𝚔𝚎𝚎𝚙 𝚘𝚗 𝚝𝚎𝚜𝚝𝚒𝚏𝚢𝚒𝚗𝚐 𝚘𝚏 𝚢𝚘𝚞𝚛 𝚐𝚘𝚘𝚍𝚗𝚎𝚜𝚜

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