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5 years ago

Choose Your Champion: Tournament Earth 2020

Tournament Earth is here! We want YOU to help us choose our best Earth image.

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Since 1999, NASA Earth Observatory has published 16,000+ images. To celebrate our 20th anniversary and the 50th anniversary of Earth Day, we want you to pick our all-time best image. Each week from March 23 to April 28, you can vote for your favorite images. Readers will narrow the field from 32 nominees down to one champion in a five-round knockout-style tournament.

The nominees are separated into four groups: Past Winners, Home Planet, Land & Ice, and Sea & Sky.

Past Winners

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No, that is not an animation of the death star orbiting Earth. It is the winner of Tournament Earth in 2016– the Dark Side and the Bright Side. The image shows the fully illuminated far side of the Moon that is not visible from Earth. Other contenders in this category are a picture of a volcanic eruption plume, sands and seas in the Bahamas, and lightning seen from the Space Station.

Home Planet

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This picture of the Twin Blue Marbles is the number one seed in our "Home Planet" category, but that doesn't mean it's going to take home the crown. It has stiff competition from the iconic photo of Earth rising to an epic total solar eclipse to our Earth at night.

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Land & Ice

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Are you a land lover or ice lover? If you don't know, you might found out by browsing the beautiful imagery in this category. Vote on scenes from the partially frozen North Caspian Sea (above) to lava flowing in Iceland between the Bardarbunga and Askja volcanoes (below).

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Sea & Sky

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Hurricanes, lightning, and volcanic explosions are just a few of the amazing captures from NASA satellites and astronauts in this category.

The model-based visual above shows an expansive view of the mishmash of particles that dance and swirl through the atmosphere. It shows tropical cyclones, dust storms, and fires spreading tiny particles throughout the atmosphere during one day in August 2018.

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Our satellites also capture the fine mixing of particles and churning of tides in our rivers. The image above shows dissolved organic matter from forests and wetlands that stained the water dark brown near Rupert Bay. A similar process darkens tea.

Learn more about Tournament Earth in the video below.

See all of the images and vote now HERE. 

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.


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7 years ago

Earth: Your Home, Our Mission

We pioneer and support an amazing range of advanced technologies and tools to help us better understand our home planet, the solar system and far beyond.

Here are 5 ways our tech improves life here on Earth...

1. Eyes in the Sky Spot Fires on the Ground

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Our Earth observing satellites enable conservation groups to spot and monitor fires across vast rainforests, helping them protect our planet on Earth Day and every day.

2. Helping Tractors Drive Themselves

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There has been a lot of talk about self-driving cars, but farmers have already been making good use of self-driving tractors for more than a decade - due in part to a partnership between John Deere and our Jet Propulsion Laboratory.

Growing food sustainably requires smart technology - our GPS correction algorithms help self-driving tractors steer with precision, cutting down on water and fertilizer waste. 

3. Turning Smartphones into Satellites

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On Earth Day (and every day), we get nonstop "Earth selfies" thanks to Planet Labs' small satellites, inspired by smartphones and created by a team at our Ames Research Center. The high res imagery helps conservation efforts worldwide.

4. Early Flood Warnings

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Monsoons, perhaps the least understood and most erratic weather pattern in the United States, bring rain vital to agriculture and ecosystems, but also threaten lives and property. Severe flash-flooding is common. Roads are washed out. Miles away from the cloudburst, dry gulches become raging torrents in seconds. The storms are often accompanied by driving winds, hail and barrages of lightning.

We are working to get better forecasting information to the National Oceanic and Atmospheric Administration (NOAA). Our satellites can track moisture in the air - helping forecasters provide an early warning of flash floods from monsoons.

5. Watching the World's Water

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Around the world, agriculture is by far the biggest user of freshwater. Thanks in part to infrared imagery from Landsat, operated by the U.S. Geological Survey (USGS), we can now map, in real time, how much water a field is using, helping conserve that precious resource.

We use the vantage point of space to understand and explore our home planet, improve lives and safeguard our future. Our observations of Earth’s complex natural environment are critical to understanding how our planet’s natural resources and climate are changing now and could change in the future.

Join the celebration online by using #NASA4Earth. 

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.


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