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Science May 15, 4:00 am

Picturing Earth in a New Light

Discover how new maps of artificial light are revealing changes in our planet's nighttime landscape

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What changed

The useful update

  • New maps detail changes in artificial light at night across the globe
  • Areas of brightness and dimming have been analyzed and mapped
Why it matters

The stakes

  • Understanding these light changes is crucial for assessing urbanization and its effects on wildlife
  • It provides insight into energy consumption trends and environmental implications
What to watch next

The next check

  • Artificial light at night can significantly impact ecosystems and human health
  • The analysis and mapping efforts by NASA highlight the importance of monitoring environmental changes

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    Original report Picturing Earth in a New Light

    Publisher: NASA Science ยท Published May 15, 4:00 am ยท science.nasa.gov

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The short version

Earth Observatory Science Earth Observatory Picturing Earth in a New Light Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Lifeโ€ฆ

A recent analysis revealed where artificial light at night has intensified, as well as where it has diminished

Maps can show more than just where things areโ€”they can also show how things change. New maps of artificial light reveal a planet that has been reshaping its nights through patterns of brightening and dimming

What happened

  • New maps detail changes in artificial light at night across the globe
  • Areas of brightness and dimming have been analyzed and mapped
  • The maps reflect significant shifts in how our nights are illuminated

Why this matters

  • Understanding these light changes is crucial for assessing urbanization and its effects on wildlife
  • It provides insight into energy consumption trends and environmental implications

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Picturing Earth in a New Light
Source image 01 NASA Science
Picturing Earth in a New Light

Original articlePicturing Earth in a New Light - NASA Science

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A river winds from east to west past Aniak, Alaska. Some stretches of the wide channel are still frozen over, while others contain broken-up ice. Most of the surrounding land is snow-free.
Source image 02 NASA Science
A river winds from east to west past Aniak, Alaska. Some stretches of the wide channel are still frozen over, while others contain broken-up ice. Most of the surrounding land is snow-free.

Original articlePicturing Earth in a New Light - NASA Science

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A global map shows changes in artificial light at night from 2014 to 2022, with increases shown in yellow and orange and decreases shown in purple.
Source image 03 NASA Science
A global map shows changes in artificial light at night from 2014 to 2022, with increases shown in yellow and orange and decreases shown in purple.

Original articlePicturing Earth in a New Light - NASA Science

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Studying Pneumonia in Space for Heart Health on Earth
Source image 04 NASA Science
Studying Pneumonia in Space for Heart Health on Earth

Original articlePicturing Earth in a New Light - NASA Science

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