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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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Video: Winter temperatures are soaring in the Arctic for the fourth winter in a row.
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NASA studies an unusual Arctic warming event
NASA studies an unusual Arctic warming event
Video: Global sea level rise is accelerating incrementally over time rather than increasing at a steady rate.
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New study finds sea level rise accelerating
Video: New study finds sea level rise accelerating
Video: NASA's Oceans Melting Greenland (OMG) and Operation IceBridge missions investigate Greenland's thinning ice sheets from above and below.
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Video: Greenland's thinning ice
Video: Greenland's thinning ice
Video: The ocean's important role in absorbing heat and carbon dioxide from the atmosphere.
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Ocean circulation plays an important role in absorbing carbon from the atmosphere
Video: Ocean circulation plays an important role in absorbing carbon from the atmosphere
Video: The expanse of the annual minimum Arctic sea ice for each year from 1979 through 2016.
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Annual Arctic sea ice minimum 1979-2016 with area graph
Video: Annual Arctic sea ice minimum 1979-2016 with area graph
Video: Images created from GRACE data showing changes in Antarctic ice mass since 2002.
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Antarctic ice loss 2002-2016
Video: Antarctic ice loss 2002-2016
Video: Images created from GRACE data showing changes in Greenland ice mass since 2002.
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Greenland ice loss 2002-2016
Video: Greenland ice loss 2002-2016
Video: A high-resolution, three-dimensional view of global atmospheric carbon dioxide concentrations from September 1, 2014 to August 31, 2015.
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Seasonal changes in carbon dioxide
Video: Seasonal changes in carbon dioxide
Video: The NASA satellite fleet in 2017, from low Earth orbit to the DSCOVR satellite taking in the million-mile view.
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Video: NASA's vantage point to view Earth
Video: NASA's vantage point to view Earth
Video: NASA scientists release the first new global map of Earth at night since 2012.
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Video: Lights of human activity shine in NASA's image of Earth at night
Video: Lights of human activity shine in NASA's image of Earth at night
Video: Explore how scientists determine glacial speed from space.
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At glacial speed
Video: At glacial speed
Video: Using observations from NASA's Orbiting Carbon Observatory (OCO-2) satellite, scientists developed a model of the behavior of carbon in the atmosphere from September 1, 2014 to August 31, 2015.
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Following carbon dioxide through the atmosphere
Video: Following atmospheric carbon dioxide
Video: Simulation of global clouds and aerosols from September 1, 2005, to December 31, 2005.
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Video: Simulated clouds and aerosols
Video: Simulated clouds and aerosols
Video: total sea level change between 1992 and 2014, based on data collected from the TOPEX/Poseidon, Jason-1 and Jason-2 satellites.
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Video: 22-year sea level rise
Video: 22-year sea level rise
Video: how different factors, both natural and industrial, contribute to global warming.
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How global warming stacks up
Video: How global warming stacks up
Video: Two key climate change indicators have broken numerous records through the first half of 2016.
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Record-breaking climate trends in 2016
Video: Record-breaking climate trends in 2016
A super high-definition view of how carbon dioxide in the air moves around the world with the winds.
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Super HD view of global carbon dioxide
Video: Super HD view of global carbon dioxide
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 discoveries ahead
Infographic: Jupiter and Earth: Giant discoveries ahead
Color-coded map of changing global surface temperature anomalies from 1880 through 2017. 
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Graphic: Global warming from 1880 to 2017
Graphic: Global warming from 1880 to 2017
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 cycle is off balance
Infographic: Earth's carbon cycle is off balance
We know seas are rising and we know why. The urgent questions are by how much and how quickly.
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Infographic: Sea level rise
Infographic: Sea level rise
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
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 is at its highest level in human history and is changing our climate before our eyes. 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.
Graphic: Measuring carbon dioxide from space
Quiz: Carbon and the climate
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Quiz: Carbon and the climate
Quiz: Carbon and the climate
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. 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.
Video: Majestic Planet

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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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