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Shell

GB
commercial
London, England, United Kingdom
www.shell.com
Admin Edit

All verified mentions of this organization in source documents.

The density of debris in the targeted sun-synchronous orbital shell raises concerns about Kessler Syndrome, a runaway chain reaction of collisions.

Mentioned as: shellTechnical ProductJan 19, 2026Google Addresses Orbital Debris Risks for Project Suncatcher AI Constellation

The targeted sun-synchronous orbital shell at approximately 650 kilometers contains high concentrations of defunct satellites and rocket stages.

Mentioned as: shellTechnical ProductJan 19, 2026Google Addresses Orbital Debris Risks for Project Suncatcher AI Constellation

The newly discovered iron cloud in the Ring Nebula appears as a narrow bar entirely within the nebula's bright inner shell.

Mentioned as: shellNoiseJan 19, 2026Iron bar of hot plasma revealed inside Ring Nebula

Blue Origin commented that sustained operations at a 330 km shell could limit other launch providers' ability to conduct missions safely.

Mentioned as: ShellNarrative GeneralJan 8, 2026The Great Orbital Trench War: Sovereignty vs. The Starlink Surge

The shell lowering is being coordinated with USSPACECOM, regulators, and other orbital operators.

Mentioned as: ShellNarrative GeneralJan 1, 2026Starlink initiates orbital lowering of 4,400 satellites to mitigate debris risks

The shell lowering of Starlink satellites is coordinated with other operators, regulators, and USSPACECOM.

Mentioned as: ShellNarrative GeneralJan 1, 2026RT by @Cosmic_Penguin: Starlink is beginning a significant reconfiguration of its satellite constellation focused on increasing space safety.  We are lowering all @Starlink satellites orbiting at ~550 km to ~480 km (~4400 satellites) over the course of 2026.  The shell lowering is being tightly coordinated with other operators, regulators, and USSPACECOM.  Lowering the satellites results in condensing Starlink orbits, and will increase space safety in several ways.  As solar mininum approaches, atmospheric density decreases which means the ballistic decay time at any given altitude increases - lowering will mean a >80% reduction in ballistic decay time in solar minimum, or 4+ years reduced to a few months.  Correspondingly, the number of debris objects and planned satellite constellations is significantly lower below 500 km, reducing the aggregate likelihood of collision.   Starlink satellites have extremely high reliability, with only 2 dead satellites in its fleet of over 9000 operational satellites.  Nevertheless, if a satellite does fail on orbit, we want it to deorbit as quickly as possible.  These actions will further improve the safety of the constellation, particularly with difficult to control risks such as uncoordinated maneuvers and launches by other satellite operators.

Lowering the operational shell to 480 km will reduce the ballistic decay time by more than 80% during solar minimum.

Mentioned as: ShellNarrative PlanJan 1, 2026Starlink initiates orbital lowering of 4,400 satellites to mitigate debris risks

The shell potential ? is used as the reference for the potential in the sheath, which decays exponentially.

Mentioned as: ShellNarrative GeneralDec 26, 2025Lunar dust model maps how charged grains stick to spacecraft

Strong internal mixing in massive stars, driven by rapid rotation, binary interaction, or shell-merger events, can boost the production of odd-Z elements before a star explodes.

Mentioned as: ShellNarrative GeneralDec 10, 2025Supernova mixing traced as source of key life elements

Molybdenum-84 has a strong deformation linked to proton-neutron symmetry effects and a narrowed shell gap around N = Z = 40.

Mentioned as: ShellNarrative GeneralDec 9, 2025New island of inversion found in proton neutron symmetric molybdenum nuclei

The collaboration will investigate three major domains on ocean worlds: the rocky subseafloor, the overlying ocean, and the outer ice shell or cryosphere.

Mentioned as: ShellNarrative GeneralDec 9, 2025NASA backs WHOI effort to read organic signals from ocean worlds

The ESA plans to send a spacecraft to Saturn's moon Enceladus, which may have a liquid ocean under its icy shell that could support life.

Mentioned as: ShellNarrative GeneralDec 1, 2025Europe secures record space budget to boost independence

On larger ice moons like Titania, the drop in pressure from melting ice would cause the ice shell to crack before the triple point for water is reached.

Mentioned as: ShellNarrative GeneralNov 26, 2025Looking inside icy moons

The same shell-burrowing behavior seen in the fossils still affects oysters today.

Mentioned as: ShellNarrative GeneralNov 9, 2025Half-billion-year-old parasite still threatens shellfish

Narrow emission lines have been considered evidence for classifying a supernova as 'interacting' with a dense gas shell.

Mentioned as: ShellNarrative GeneralOct 29, 2025Supernova asociale: l’esplosione stellare che rifiuta l’interazione

NASA's Europa Clipper mission, launching in 2024, will explore the ice shell and ocean of Europa, which is the fourth largest of Jupiter's 95 moons.

Mentioned as: ShellNarrative PlanOct 20, 2025Are there living microbes on Mars? Check the ice

The China National Space Administration shared a new image of Tianwen-2 captured by an onboard camera, which shows the atmospheric reentry shell where samples will be stored.

Mentioned as: ShellNarrative GeneralOct 1, 2025Tianwen-2 Nears Halfway Point in Trek to Target Asteroid Kamoʻoalewa

The heat shield and back shell will protect Dragonfly during intense atmospheric entry into Titan's atmosphere.

Mentioned as: ShellNarrative GeneralSep 23, 2025NASA Dragonfly Mission Advances Through Crucial Development and Testing Stages

The United States created Chesapeake Shipping Inc. as a shell company incorporated in Dover, Delaware to transfer ownership of Kuwaiti tankers for reflagging during Operation Earnest Will.

Mentioned as: ShellNarrative PlanJul 7, 2025Taiwan’s satellites: A lawfare vulnerability and an option to cure and enhance deterrence against the PRC (part 2)

Eighteen IRIS² satellites will operate in a medium Earth orbit shell at an altitude of 8,0 m providing Ka-band services.

Mentioned as: ShellOrg RelationshipDec 16, 2024Europe signs contracts for IRIS² constellation
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