Tag

Space Junk

All articles tagged with #space junk

space13 days ago•74 min saved

LiDAR lasers trace space junk's footprint in the upper atmosphere

Scientists are using ground-based LiDAR to detect ablation from reentering space debris in the upper atmosphere. A lithium cloud linked to SpaceX’s Falcon 9 upper-stage reentry was observed, and Leibniz Institute researchers are testing a three-channel multi-species LiDAR to detect metals and propellant residues (e.g., copper, aluminum oxide, hydrogen fluoride). The findings suggest debris reentry is altering the mesosphere and upper stratosphere, with potential implications for the ozone layer as satellite megaconstellations grow; experts call for expanded monitoring and dedicated efforts to track space waste reentry.

via Space|

#ablation #lidar #space

space13 days ago•3 min saved

Moonbound Debris: Falcon 9 Upper Stage Predicted to Hit Einstein Crater in 2026

Astronomer Bill Gray predicts the Falcon 9 upper stage from SpaceX's January 15, 2025 Moon mission will crash into the Moon near Einstein crater on August 5, 2026 at about 8,700 km/h. The impact would occur on the near side’s edge and is unlikely to be visible with amateur equipment, but it highlights growing space junk concerns and the potential for cascading debris (Kessler syndrome) in Earth orbit.

via BBC Sky at Night Magazine|

#einstein-crater #falcon-9 #kessler-syndrome

science15 days ago•6 min saved

SpaceX Upper Stage Predicted to Crash into the Moon in 2026

A spent SpaceX Falcon 9 upper stage is forecast to crash into the Moon (near Einstein crater) on August 5, 2026, at about seven times the speed of sound. The impact poses no danger to Earth but highlights growing space-debris concerns as lunar exploration resumes with missions like Artemis IV and other countries planning Moon activity. The event may leave a new crater and could be imaged later by NASA’s Lunar Reconnaissance Orbiter. The analysis stems from Bill Gray’s Project Pluto work; the source object remains in an Earth orbit that intersects the Moon’s path, and experts suggest safer disposal by placing spent stages on solar orbits to reduce future hits.

via ScienceAlert|

#falcon-9 #lunar-impact #moon

space23 days ago•4 min saved

Moon Litter: The Space Race Leaves Debris on the Lunar Surface

With the U.S. and China racing to return to the Moon, rockets are leaving debris on the lunar surface, including a SpaceX Falcon 9 upper stage expected to strike near Einstein crater in August 2026. The piece notes past lunar hardware from Apollo missions, cites the Outer Space Treaty’s ban on harmful contamination (with limited enforcement), and warns that as permanent lunar bases approach, directing stages into solar orbit could prevent turning the Moon into a space junkyard.

via Jalopnik|

#moon #space #space-debris

space25 days ago•11 min saved

Mach-7 Moon Crash: Falcon 9 Upper Stage Heads for Einstein Crater

Astronomer Bill Gray predicts SpaceX’s Falcon 9 upper stage, stranded in a highly elliptical Earth orbit since January 2025, will crash into the Moon near the Einstein crater on August 5 at about 5,400 mph (Mach 7). The impact would be a brief event leaving a small crater, poses no danger to Earth, and highlights space-debris disposal as SpaceX focuses on Starship and Artemis IV—potential imaging by the Lunar Reconnaissance Orbiter may capture the crater.

via Interesting Engineering|

#einstein-crater #falcon-9 #moon

science25 days ago•3 min saved

Spent Falcon 9 Upper Stage Set to Hit the Moon, Spotlighting Space Debris

A discarded Falcon 9 upper stage from the January 2025 lunar mission is forecast to crash into the Moon near Einstein crater on August 5, 2025 at 2:44 AM EDT, traveling about 1.51 miles per second. The impact would likely create a new lunar crater and underscores growing space-debris risks as nations push for more Moon missions; a prior 2022 event created a double crater, illustrating the unexpected outcomes of spent rocket hardware.

via Futurism|

#falcon-9 #moon #science

space-and-spaceflight27 days ago•17 min saved

Wayward SpaceX Stage on Course to Slam Moon at Mach 7

A Falcon 9 upper stage from SpaceX’s 2025 lunar mission remains in a highly elliptical Earth orbit and is predicted by independent analyst Bill Gray’s Project Pluto to collide with the Moon on August 5 at about Mach 7 (5,400 mph / 8,700 km/h). The impact would likely be on the Moon’s near side and would probably not be visible from Earth; the exact impact site is expected to tighten with more data, highlighting concerns about space junk disposal in the growing near‑Earth–Moon environment.

via Gizmodo|

#falcon-9 #orbital-mechanics #space-and-spaceflight

environment1 month ago•32 min saved

Mega-constellations risk turning orbit into a debris nightmare

SpaceX’s Starlink mega-constellations now dominate low-Earth orbit with about 10,000 satellites and plans for up to a million more, sparking concerns over light pollution, future debris, and potential ground fallout; satellites typically burn up on re-entry, but larger mega-constellations could leave debris that falls to Earth, as seen in Saskatchewan, and Canada has no formal debris reporting or environmental regulation for space activities; experts warn of increased collision risk (Kessler syndrome) and stress the need for Canadian internet alternatives and stronger governance, since SpaceX currently controls a large share of orbital slots.

via The Narwhal|

#environment #environment-regulation #orbital-debris

space-exploration4 months ago•47 min saved

Earthquake sensors offer real-time tracking for reentering space junk

Researchers propose using a global network of seismic sensors to detect sonic booms from space debris as they reenter Earth, enabling reconstruction of their trajectories and potentially pinpointing where fragments might land. In a 2024 Shenzhou 17 module event, 127 California seismic stations recorded the sonic boom, revealing the debris path differed from orbital predictions and suggesting ground impact could occur between Bakersfield and Las Vegas; the approach could speed up locating debris and inform risk assessments, with future work expanding to acoustic sensors over oceans. The study, published in Science, highlights how quake networks could augment current radar/optical tracking in space situational awareness.

via Space|

#reentry #seismic-sensors #sonic-boom

science4 months ago•8 min saved

Real-Life Tractor Beams Could Tackle Space Junk Crisis

Scientists are developing a real-life electrostatic tractor beam that uses electrostatic attraction to safely move defunct satellites out of Earth's orbit, potentially helping to address the growing space junk problem. While promising, the technology faces challenges such as slow operation and high costs, but could become operational within a decade if funding is secured.

via Live Science|

#cu-boulder #electrostatic-attraction #science

science-and-technology6 months ago•4 min saved

Earth's Orbit Faces Growing Crisis from Space Debris and Satellite Risks

The European Space Agency has introduced a space environment health index to assess the long-term impact of space debris, revealing that Earth's orbit is in serious crisis with levels four times above the safe threshold, emphasizing the urgent need for debris mitigation and sustainable space practices to prevent future chaos and ensure the viability of space activities.

via Earth.com|

#esa #orbital-sustainability #science-and-technology

science6 months ago•5 min saved

Florida Fireball Likely from Reentering Space Debris, Not Meteorite

A fireball was observed over Florida on Nov. 8, 2025, likely caused by a satellite reentry rather than a meteorite or rocket explosion, with multiple eyewitnesses and photos documenting the event.

via Florida Today|

#fireball #florida-sky #observations

science6 months ago•2 min saved

Rising Space Debris Sparks Concerns Over Earth's Increasingly Dangerous Orbit

Mine workers in Western Australia discovered a smoking, burning slab of metal believed to be part of a Chinese space rocket's upper stage, raising concerns about space debris and its reentry risks. Authorities are investigating its origin, emphasizing the importance of managing space junk to prevent damage and ensure safety, amid increasing satellite launches like Starlink.

via Yahoo|

#australia #science #space-debris

science7 months ago•4 min saved

Mysterious Space Debris Discovered in Australian Outback

A charred piece of space debris, likely from China's Jielong 3 rocket, was found smoldering in the Australian outback, marking a rare uncontrolled reentry of a rocket stage that partially burned upon reentry, raising concerns about space debris and reentry safety.

via Live Science|

#australia-outback #chinese-rocket #rocket-reentry

science7 months ago•2 min saved

Space Debris Woes: Mysterious Wreckage and Junk Found in Australian Outback

Space debris from rockets and satellites is increasing exponentially, leading to more incidents of space junk falling to Earth and raising collision risks in low Earth orbit, which could have serious consequences for space operations and safety.

via Yahoo|

#earth-impact #low-earth-orbit #science