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Quiz: Our world, other worlds

Test your knowledge of how Earth is different from other planets, both within our solar system and beyond.

Test your knowledge of how Earth is different from other planets, both within our solar system and beyond.

You can browse a gallery containing this quiz and others here.

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NASA Climate Change website

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The relentless rise of carbon dioxide levels in the atmosphere.
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The inexorable rise of carb...
Graphic: The relentless rise of carbon dioxide
Land. Water. Fire. Ice. These elements are basic ingredients that make up planet Earth. Take a moment to admire the magnificent spectacle of our stunning home planet from the perspective of space.
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Land. Water. Fire. Ice. The...
Video: Majestic Planet
These cloud formations were seen over the western Aleutian Islands. Their color variations are probably due to differences in temperature and in the size of water droplets that make up the clouds. This image was acquired by the Landsat 7 satellite on June 16, 2000.
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Aleutian clouds
Aleutian clouds
Video: The ocean's important role in absorbing heat and carbon dioxide from the atmosphere.
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Ocean circulation plays an ...
Video: Ocean circulation plays an important role in absorbing carbon from the atmosphere
Quiz: The air we breathe
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Quiz: The air we breathe
Quiz: The air we breathe
An animation shows several high impact events across the globe between August 2019 and January 2020, including the Australian bushfires.
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Global Transport of Smoke f...
Global Transport of Australian Bushfire Smoke
Test your knowledge of energy and its role in our climate.
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Test your knowledge of ener...
Quiz: Energy
Test your knowledge of sea level rise and its effect on global populations.
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Test your knowledge of sea ...
Quiz: Sea level rise
Learn how you can explore Earth Now's many features, including real-time data visualizations of Earth's vital signs and 3D models of Earth-orbiting satellite missions.
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'Earth Now' Tutorial
'Earth Now' Tutorial
This view of Earth from space is a fusion of science and art, drawing on data from multiple satellite missions and the talents of NASA scientists and graphic artists.
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Twin Blue Marbles
Twin Blue Marbles
Video: Simulation of global clouds and aerosols from September 1, 2005, to December 31, 2005.
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Video: Simulated clouds and...
Video: Simulated clouds and aerosols
A detailed look at Jupiter's and Earth's atmospheres and cores as we unlock mysteries of the solar system.
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Jupiter and Earth: Giant di...
Infographic: Jupiter and Earth: Giant discoveries ahead
Temperature agreement - Climate 365 graphic
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Temperature agreement - Cli...
Graphic: Earth's temperature record
Video: Southern Hemisphere ozone between July 1 and December 31 for selected years between 1979 and 2018.
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Video: Ozone Watch 2018
Video: Ozone Watch 2018
NASA scientists are working to understand if our land and ocean can continue to absorb carbon dioxide at the current rate – and for how long.
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Infographic: Earth's carbon...
Infographic: Earth's carbon cycle is off balance
Quiz: Carbon and the climate
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Quiz: Carbon and the climate
Quiz: Carbon and the climate
Test your knowledge about global temperature change and its impact on Earth's climate.
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Test your knowledge about g...
Quiz: Global warming
City vs. desert - Climate365 graphic
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City vs. desert - Climate36...
Graphic: City vs. desert temperatures
NASA's new Orbiting Carbon Observatory-2 space satellite will probe the carbon cycle like never before, telling us where the carbon is going and giving us clues as to where we will end up.
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Atmospheric carbon dioxide ...
Graphic: Measuring carbon dioxide from space
This visualization shows the complex patterns of methane emissions produced globally from January 2018 to November 2018.
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Video: Methane Sources
Video: Methane Sources
Track Earth's vital signs and fly along with NASA's Earth-observing satellites.
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Eyes on the Earth
Interactive: Eyes on the Earth
Test your knowledge of ocean salinity and its relationship to climate change.
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Test your knowledge of ocea...
Quiz: Ocean salinity
Head into the field with first responders, fire scientists and forest managers to see what challenges they face and how NASA can help mitigate the effects of longer and more intense fire seasons.
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Operation Earth: Wildfires
Video: 'Operation Earth: Wildfires'
Video: NASA scientists release the first new global map of Earth at night since 2012.
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Video: Lights of human acti...
Video: Lights of human activity shine in NASA's image of Earth at night
This animation shows the change in atmospheric nitrogen dioxide (NO2) levels as a result of COVID-19 stay-at-home restrictions.
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COVID-19 Mitigation Leads t...
COVID-19 Mitigation Leads to Reduced Pollution Associated with Decreased Fossil Fuel Use

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Interactives, galleries and apps

Images of Change

Images of Change

Explore a stunning gallery of before-and-after images of Earth from land and space that reveal our home planet in a state of flux.
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Climate Mobile Apps

Climate Mobile Apps

Keep track of Earth's vital signs, see the planet in a state of flux and slow the pace of global warming with NASA's free mobile apps.
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Climate Time Machine

Climate Time Machine

Travel through Earth's recent climate history and see how increasing carbon dioxide, global temperature and sea ice have changed over time.
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Eyes on the Earth

Eyes on the Earth

Track Earth's vital signs from space and fly along with NASA's Earth-observing satellites in an interactive 3D visualization.
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Global Ice Viewer

Global Ice Viewer

Earth's ice cover is shrinking. See how climate change has affected glaciers, sea ice, and continental ice sheets.
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