The night sky, a canvas of darkness speckled with stars, is under threat. Not from the usual suspects like light pollution or pollution of the atmosphere, but from a technological innovation that promises to bring 'sunlight on demand': a giant space mirror. The Federal Communications Commission (FCC) has approved the launch of Eärendil-1, an experimental satellite carrying an 18-meter-wide reflective surface. This mirror, orbiting at an altitude of 625 kilometers, will redirect sunlight towards targeted areas after dark, producing a beam roughly five kilometers wide. While this technology could revolutionize solar energy production, agriculture, construction, and emergency response, it also raises significant concerns among astronomers and environmentalists. The night sky, a crucial component of our biological clocks and a source of inspiration for countless generations, is at risk of being permanently altered. The FCC's decision to approve the launch of Eärendil-1 has opened a larger debate about who has the authority to decide how darkness, the atmosphere, and low-Earth orbit are used. Personally, I think this is a fascinating development that could have profound implications for our understanding of space and our relationship with it. What makes this particularly fascinating is the potential for this technology to disrupt our natural cycles of light and darkness. In my opinion, this is a critical issue that needs to be addressed, as it could have far-reaching consequences for both our environment and our health. From my perspective, the approval of Eärendil-1 by the FCC is a significant step towards a future where darkness is not a given, but a commodity that can be bought, sold, and manipulated. This raises a deeper question: what are the ethical implications of this technology? A detail that I find especially interesting is the potential for this technology to be used in emergency situations. While this could be a life-saving innovation, it also raises concerns about the potential for abuse. What this really suggests is that we need to carefully consider the implications of this technology before it becomes widely available. The approval of Eärendil-1 by the FCC has also highlighted a critical gap in our regulatory framework. The United States lacks a single regulator responsible for evaluating every environmental, astronomical, and public-safety effect of commercial spacecraft. This is a significant issue, as it means that the potential impacts of this technology are not being fully considered. If you take a step back and think about it, this is a major problem that needs to be addressed. The deployment of Eärendil-1 could provide valuable insights into the accuracy of orbital mirror technology and the potential for light pollution. However, the broader challenge will remain: low-Earth orbit is becoming a limited industrial environment, shared by communications satellites, scientific instruments, crewed spacecraft, and proposed commercial systems. Reflecting sunlight may prove useful during emergencies or at isolated energy facilities, but it also establishes a precedent in which access to natural darkness becomes something a company can sell, redirect, or withhold. In conclusion, the approval of Eärendil-1 by the FCC is a significant development that could have profound implications for our understanding of space and our relationship with it. While this technology has the potential to revolutionize solar energy production and other industries, it also raises critical concerns about the potential for light pollution and the disruption of our natural cycles. We need to carefully consider the implications of this technology before it becomes widely available, and ensure that our regulatory framework is adequate to address the potential impacts.