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Picturing Earth in a new light

Phys · · 311 words · By Sally Younger

The article describes new maps based on NASA's Black Marble data that track changes in artificial nighttime light globally. It highlights a 34% increase in global radiance while noting specific regional trends, such as brightening in China and India and dimming in Europe due to energy-efficient LEDs and economic crises.

open_in_new Read the original article: https://phys.org/news/2026-05-picturing-earth.html

analyticsAnalysis

0%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

9 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

info Single Source 5
verified Verified 3
help Insufficient Evidence 1
verified
“The maps are based on a recent analysis of NASA's Black Marble data”
VERIFIED
The NASA Science website explicitly states that the maps are based on a recent analysis of NASA's Black Marble data.
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web search NEUTRAL — The maps are based on a recent analysis of NASA’s Black Marble data, which found that instead of a gradual increase in artificial light at night over the course of nearly a decade, the patterns are mu…
https://science.nasa.gov/earth/earth-observatory/picturing-e…
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web search NEUTRAL — Black Marble is a NASA Earth Science Data Systems (ESDS) project that provides a product suite of daily, monthly and yearly global nighttime lights.Before downloading and extracting Black Marble data,…
https://worldbank.github.io/blackmarbler/
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web search NEUTRAL — To realize real-time urban land cover change detection, high-frequency remotely sensed data are urgently needed. In this study, we tested the detection capability of urban land cover changes using a n…
https://www.researchgate.net/publication/322191952_Modeling_…
verified
“NASA's Black Marble product uses observations from the VIIRS (Visible Infrared Imaging Radiometer Suite) sensors on the Suomi-NPP, NOAA-20, and NOAA-21 satellites”
VERIFIED
NASA Earthdata and ESSIC confirm that the Black Marble product utilizes the VIIRS Day/Night Band (DNB) and mentions the associated satellites (Suomi-NPP, NOAA-20).
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web search NEUTRAL — The Black Marble product utilizes the VIIRS Day/Night Band (DNB), a specialized sensor with variable gain settings designed to capture low-light imagery of Earth at night.19, 2012, to present; VJ146 p…
https://www.earthdata.nasa.gov/data/projects/black-marble
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web search NEUTRAL — NASA Logo, National Aeronautics and Space Administration.The NASA Black Marble algorithm produces cloud-free imagery that have been corrected for atmospheric, terrain, lunar BRDF, thermal, and strayli…
https://viirsland.gsfc.nasa.gov/Products/NASA/BlackMarble.ht…
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web search NEUTRAL — NASA’s Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) atmospheric- and Lunar-BRDF-corrected Black Marble product (VNP46A2) provides daily global nighttime radiances with high t…
https://essic.umd.edu/monitoring-nighttime-light-changes-wit…
info
“The VIIRS day-night band detects nighttime light in a range of wavelengths from green to near-infrared”
SINGLE SOURCE
The provided search results for this claim are irrelevant (educational workbooks), providing no technical information about the VIIRS day-night band wavelengths.
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web search NEUTRAL — This workbook has brief exam revision notes for end-of-year study, with examples and NCEA exam questions from 2024 and earlier years. Product code: 9781991107466
https://www.paperplus.co.nz/shop/books/non-fiction/education…
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web search NEUTRAL — This workbook has brief exam revision notes for end-of-year study, with examples and NCEA exam questions from 2021 and earlier years. Full answers with explanations and A, M and E grades are given.
https://readpacific.co.nz/product/16837-ame-ncea-level-2-mat…
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web search NEUTRAL — AME Workbooks Not seeing what you want here? Try changing the filters or email sales@learnwell.co.nz and we will help you. Want to try a digital resource? You can get a demo of our great digital resou…
https://learnwell.co.nz/collections/ame-workbooks
verified
“Overall, the researchers found that global radiance increased by 34% during the study period”
VERIFIED
The source 'NASA Night-light Imagery Tracks US Energy Transition, Global Volatility' explicitly states that researchers found global radiance increased by 34% during the study period.
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web search NEUTRAL — Overall, the researchers found that global radiance increased by 34% during the study period, but that surge masks large areas of dimming. Such “bidirectional changes” often happen side by side.
https://science.nasa.gov/earth/human-dimensions/earth-at-nig…
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web search NEUTRAL — Data for this analysis: time period November 1971-October 2003, nationwide suicide rates, global solar radiation from the Jokioinen weather station.
https://www.researchgate.net/figure/Dependence-of-suicide-ra…
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web search NEUTRAL — The results show that 5G greatly increases radiofrequency radiation exposure and that ill health occurs fairly immediately after 5G is switched on near people’s homes. The study also included three ch…
https://radiationprotection.se/5g/the-first-study-in-the-wor…
info
“West Coast cities grew brighter as their populations increased”
SINGLE SOURCE
While general web results discuss the link between nighttime lights and population/employment, no specific source provided confirms the specific finding regarding West Coast cities in the context of this study.
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web search NEUTRAL — Recent satellite observations indicate a consistent increase in nighttime brightness across the planet, with global nighttime lighting rising by approximately.
https://news.ssbcrack.com/global-nighttime-lighting-increasi…
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web search NEUTRAL — Multiple studies highlight the relationship between nighttime brightness and job creation. For instance, a prominent research effort discovered that regions exhibiting an increase in nighttime lights …
https://diversedaily.com/geospatial-research-in-nighttime-li…
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web search NEUTRAL — Explaining cities' nighttime brightness is therefore affected not only by country level factors (such as GDP), but also by the built environment and by climatic factors.
https://www.researchgate.net/publication/312448100_A_global_…
info
“much of the East Coast showed dimming, which the team attributed to the increased use of energy-efficient LEDs and broader economic restructuring”
SINGLE SOURCE
The search results for this claim returned dictionary definitions of the word 'much' rather than factual evidence regarding East Coast dimming or LED adoption.
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web search NEUTRAL — May 8, 2026 · The meaning of MUCH is great in quantity, amount, extent, or degree. How to use much in a sentence.
https://www.merriam-webster.com/dictionary/much
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web search NEUTRAL — MUCH definition: 1. a large amount or to a large degree: 2. a far larger amount of something than you want or need…. Learn more.
https://dictionary.cambridge.org/dictionary/english/much
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web search NEUTRAL — Define much. much synonyms, much pronunciation, much translation, English dictionary definition of much. adj. more , most Great in quantity, degree, or extent: not ...
https://www.thefreedictionary.com/much
info
“nighttime light surged in China and northern India along with urban development”
SINGLE SOURCE
The search results for this claim returned AI paraphrasing tools rather than factual evidence regarding nighttime light in China and India.
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web search NEUTRAL — QuillBot's AI-powered paraphraser helps students and professionals rewrite, edit, and change the tone of their text to improve clarity and comprehension.
https://quillbot.com/paraphrasing-tool
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web search NEUTRAL — A paraphrasing tool is an AI-powered solution designed to help you quickly reword text by replacing certain words with synonyms or restructuring sentences. Whether you’re working on an article, essay,…
https://www.scribbr.com/paraphrasing-tool/
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web search NEUTRAL — Paraphrasing Tool Editpad’s Paraphrasing Tool helps rephrase sentences, paragraphs, articles, and other types of content. The paraphrase tool offers 12 pre-defined modes, and each of them lets you uni…
https://www.editpad.org/tool/paraphrasing-tool
info
“LEDs and energy conservation measures coincided with reduced light pollution in Paris and throughout France (33% dimming), the UK (22% dimming), and the Netherlands (21% dimming)”
SINGLE SOURCE
The search results provide general information about LEDs and NASA visualizations, but do not confirm the specific percentage decreases for France (33%), UK (22%), and Netherlands (21%).
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web search NEUTRAL — The first low-powered LEDs were developed in the early 1960s, and only produced light in the low, red frequencies of the spectrum.
https://en.wikipedia.org/wiki/LED_lamp
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web search NEUTRAL — The visualization below shows the same data for the Eastern Hemisphere. Note that this version includes some artistic touches, such as simulated sunlight and shadows, while the nighttime lights data o…
https://science.nasa.gov/earth/earth-observatory/picturing-e…
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web search NEUTRAL — The hidden impact of blue light on nighttime rest. Blue light emitted from digital screens penetrates eye tissue more easily than other light wavelengths. It directly acts on the brain’s circadian con…
https://well.newsimilar.com/why-light-nighttime-screen-use-s…
help
“European nights dimmed sharply in 2022 during a regional energy crisis that followed the outbreak of the Russia-Ukraine conflict”
INSUFFICIENT EVIDENCE
No evidence was found in the search results to confirm or deny the claim regarding European nighttime dimming in 2022.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.