Tag

Orbital Safety

All articles tagged with #orbital safety

technology2 days ago•7 min saved

Startup Proposes 4,000 Orbital Sky Mirrors to Shine Daylight After Dusk, Draws Astronomers’ Fears

A California startup, Reflect Orbital, plans a constellation of up to 4,000 low-Earth-orbit satellites each carrying large tilting reflectors to redirect sunlight toward Earth after sunset, potentially delivering daylight-like illumination for hours. A demonstration mission (Eärendil-1) is in the works, with ambitions to scale to tens of thousands of satellites, raising major concerns among astronomers and ecologists about night-sky brightness, wildlife impacts, and orbital congestion before any large-scale deployment.

via Indian Defence Review|

#light-pollution #orbital-safety #reflective-surfaces

space3 months ago•8 min saved

Addressing the Growing Threat of Space Debris and Micrometeoroids

In 2025, space debris around Earth has reached nearly 130 million pieces, causing increased collision risks and prompting emergency responses like China's spacecraft re-entry delay, highlighting the urgent need for better debris tracking, international cooperation, and sustainable space practices to prevent future crises.

via Space|

#china-space-incident #orbital-safety #space

science-and-technology1 year ago•3 min saved

Satellite Survives Space Debris Collision, Captures Selfie as Proof

A small object traveling at high speed punctured NanoAvionics' MP42 satellite in Earth's orbit, highlighting the risks posed by space debris and micrometeoroids. The incident underscores the importance of responsible space operations to prevent the escalation of space debris, which could lead to the Kessler effect—a cascade of collisions in orbit. NanoAvionics has joined the European Space Agency's Zero Debris Charter to help mitigate this risk by promoting responsible satellite operations and disposal.

via Mashable|

#kessler-effect #nanoavionics #orbital-safety

spaceflight2 years ago•7 min saved

"SpaceX Starlink Satellites: 25,000 Near-Misses in 6 Months"

SpaceX's Starlink satellites have had to make over 25,000 collision-avoidance maneuvers in the past six months, double the number from the previous six-month period. Concerns are growing over the long-term sustainability of satellite operations as the number of satellites in orbit continues to increase. Experts warn that the exponential growth in maneuvers could lead to a significant risk of collisions and the accumulation of space debris, potentially rendering parts of the orbital environment unusable.

via Space.com|

#orbital-safety #satellite-collisions #space-debris