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  1. meets , to celebrate, pick up a book from your local library about or . And don't forget to thank your librarian.

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  2. Curious about tree canopies? The amount of carbon that is being stored by trees and how it has changed over time is the least understood aspect of the global carbon cycle. Learn more about GEDI, "A New Measuring Stick for Forests."

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  3. DYK? As a citizen scientist, you are part of the GLOBE community, which includes teachers, students, partners, and professionals from 122 countries. Over the past 25 years, the program has grown to include over 36,000 schools, 167,000 app-users, and millions of data points.

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  4. It's ! Did the block the sun so Punxsutawney Phil didn't see his ? What are the like where you are? Use the app and submit your cloud cover to NASA for !

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  5. Shorter winter days are a great opportunity to catch beautiful sunrises. Shared by a cloud observer in Portland, OR, the appear as stripes called cloud streets. But higher clouds obscure a lot of these lower clouds, so they aren't as visible in the satellite image.

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  6. It's ! DYK that we have reading lists to align with the different tools in the app? Interested in , try one of these:

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  7. This week we're highlighting ! Here are just a few of the photos our have sent in along with tree height measurements over the last month. You can check out all the observations and data at .

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  8. Our Observers know that nimbostratus and stratocumulus are the ones that can produce rain or snow, and we ask you about snow on the ground as part of the surface conditions reporting, but do you have a favorite type of snow? These researchers do!

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    30. sij

    On our Day of Remembrance, we pay tribute to the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other colleagues who have lost their lives while furthering the cause of exploration and discovery:

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  10. and observations complement data from NASA's satellite. Some of the principal men and women responsible for Terra's five instruments describe the significance of the mission and its data:

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  11. The GEDI Instrument, onboard the International Space Station, is one way is looking at from space!

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  12. Did you know is the primary indicator of how well an ecosystem can grow trees? Tracking how trees are changing over time can help us estimate the number of trees that make up an area. You can help by taking tree height observations.

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  13. Learn how simple it is to use to take observations in your own community! Submit your own observations, even if larvae are not found in the mosquito habitat. Learn more at

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  14. Want to add to your experience? Bring along a tape measure when observing trees with the GLOBE Observer app.

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  16. Pink could be poop. Poop? 💩 Yes, that is right. Penguin 🐧 poop 💩 can be seen from space 🌌. And by looking at it we can learn a lot about penguins and our planet’s health too. Read it:

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  17. Our observers have been sending us pictures of the smoke from the continuing fires in Australia, but here’s a different way to see the smoke - in 3D!

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  18. This photo from an astronaut aboard the ISS on 1/22/2019 shows resuspended ash near Taal Volcano island. Full Caption: Ash can be a source of obscuration in a observation, and is useful to note if you see it, but always be safe first!

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  19. We love showcasing students doing science, whether as part of , or these graduate students on the IMPACTS forecast team!

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  20. This week we're showcasing observations sent in w/ since the beginning of 2020. Notice the climate & seasonal differences between some of these places, and the aftermath of one of the bush fires in Australia. More photos:

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