Sources and original illustrations

Primary references and the limits of this educational collection.

Primary references

• NASA: Earth’s Magnetosphere, Protecting Our Planet from Harmful Space Energy — Interaction of solar wind and Earth’s magnetic field shaping the magnetosphere; diagram-reading exercises are original.
• NASA: Heliophysics Big Idea 1.2 — The particle–upper-atmosphere interaction and emission of light; no event-specific gas, height or energy estimate.
• NASA Scientific Visualization Studio: THEMIS Sees Magnetic Reconnection — The reported THEMIS connection between magnetotail reconnection and substorm onset; not an event-specific forecast or diagnosis.
• NASA: Lab Experiments Shed New Light on NASA Satellite Observations — Laboratory evidence for electron energy gain through plasma-wave interaction; no experimental procedure or local prediction.
• NASA: Juno Detected the Final Missing Auroral Signature from Jupiter’s Four Largest Moons — Jupiter’s moon-linked auroral signatures and the explicit contrast with Earth’s Moon; no universal planetary mechanism or visual equivalence claim.
• NASA Earth Observatory: Asymetric Aurora — The dated paired ultraviolet observations and reported hemispheric asymmetry; no universal or current-night claim.
• NASA: Measuring the Pulsating Aurora — The study’s comparison of ground video with satellite electron measurements; no copied findings beyond that narrow methodological context.
• NASA: Aurora-Chasing Citizen Scientists Help Discover a New Feature of STEVE — The qualified description of STEVE as not normal aurora and the existence of continuing investigation; no current definitive classification or image-identification procedure.
• NASA Cosmicopia: Image of Earth’s Magnetosphere — The IMAGE spacecraft ultraviolet representation, false-color context and auroral feature identified in the caption; no eye-view equivalence.
• ESA: Steve over the picket fence — The use of photographs from different locations and angles to investigate altitude ranges; no field protocol or unverified altitude estimate.
• Siida: Exhibitions and guided tours, Nature Centre — The main exhibition’s link between northern nature and Sámi culture and its eight-seasons framing; no fixed calendar or condition claim.
• Arktikum: Northern Ways — The exhibition’s three-region structure and stated historical/livelihood/nature themes; no population-wide characterization or fixed display-access promise.
• Ájtte: English museum and exhibition information — The museum’s Sámi/mountain-region remit and clothing-and-silver exhibition theme; no invented object attribution or symbolic interpretation.
• Alta Museum: Traces in Stone — The exhibition’s attention to figures, making, rock surfaces, environment and unanswered questions; no outdoor access or motif-meaning claim.
• UiT: Plan your visit to The Polar Museum — The permanent-exhibition subjects of hunting/trapping, Norwegian polar expeditions and Svalbard cultural history; no invented task, biography or fixed opening schedule.
• Varanger Museum: English departmental overview — The Vadsø department’s Kven-history responsibility and migration context; no individual identity, translation or opening arrangement is inferred.
• UNESCO: Struve Geodetic Arc — The survey chain, Hammerfest–Black Sea scale, selected inscribed points and Earth-measurement purpose; no access route or surveying protocol.
• UNESCO: Church Town of Gammelstad, Luleå — The church-village relationship and periodic accommodation of distant worshippers; no present cottage use, rental or access claim.
• UNESCO: Vegaøyan – The Vega Archipelago — Fishing/eiderdown cultural landscape, eider houses and women’s contribution to harvesting; no wildlife-access or practical harvesting instruction.
• Nordnorsk Kunstmuseum: The Collection — The collection’s historical/contemporary breadth, varied perspectives and Sámi representation; no fixed on-display claim or invented artwork details.

Original visual material

The diagrams in this edition are original SVG illustrations explaining the sequence or decisions in each guide. They do not show a laboratory experiment, a personal trip or a tested product result. No photographs from the linked sources are reproduced.

Check the source in context

References were consulted during preparation of this edition. A source may cover a broader or narrower question than a particular guide; the support notes above explain why it is listed. Read the original for methodology, exceptions and updates.