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2 years ago

Watch "History of 7th-Day Adventists, Christian Science, J.W.s & Mormons | Intermediate Discipleship #97" on YouTube


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2 years ago
叶わないと知っているから遠くなるばかり。

叶わないと知っているから遠くなるばかり。

1 year ago
I Got The Chance To Road Trip Out To The Path Of Totality! My Phone Camera Didn’t Do It Justice, So

I got the chance to road trip out to the path of totality! My phone camera didn’t do it justice, so I painted what I saw instead 🌞🌚

I Got The Chance To Road Trip Out To The Path Of Totality! My Phone Camera Didn’t Do It Justice, So
I Got The Chance To Road Trip Out To The Path Of Totality! My Phone Camera Didn’t Do It Justice, So

Here’s the photo I took and the sketch I made with my finger in the notes app while watching it happen 😆

1 year ago
doctarjaferson - Jaferson Doctar

yes, and? 1.12 ♡

1 year ago
A drawing of Earth is positioned at top center of the cover for Issue 2 of First Woman. To the right are the words "National Aeronautics and Space Administration," a thin white line, and the NASA "meatball" logo. Underneath Earth are the words "First Woman, NASA's Promise for Humanity, Issue No. 2: Expanding Our Universe." Below, fictional astronauts Callie Rodriguez (left) and Meshaya Billy (right) stand back-to-back in white spacesuits in front of the Moon. They are holding their helmets: Callie holds hers with both hands while Meshaya tucks hers under her right arm. Between them, RT, Callie's robotic sidekick, looks up inquisitively at the duo. Behind all three of them, stars peek through a colorful haze. Image credit: NASA

Commander Callie Continues Moon Mission in NASA’s Second Graphic Novel

You followed fictional astronaut, Callie Rodriguez, on her journey to the Moon in our First Woman graphic novel, “Issue No. 1: From Dream to Reality.”

In the brand new “Issue No. 2: Expanding our Universe,” find out how Callie and her robotic sidekick RT escape the lunar lava tunnel and what challenges await them on the lunar surface.

See Callie and her new crewmates work together as a team and navigate the unexpected as they take on a challenging mission to deploy a next-generation telescope on the far side of the Moon. Now available digitally in English at nasa.gov/CallieFirst and in Spanish at nasa.gov/PrimeraMujer!

Along with the new chapter, the First Woman app – available in the Apple and Google Play stores – has been updated with new immersive, extended reality content. Explore the lunar surface and learn about the real technologies we’re building to make living and working on the Moon – and eventually, Mars – possible.

Make sure to follow us on Tumblr for your regular dose of space!

1 year ago
An aerial view of the Barents Sea, north of Norway and Russia, shows white, wispy cloud coverage over both land and ocean. Clouds are seen in the bottom left corner extending up towards the top left corner but dwindling as they rise. Clouds are also seen in the top right corner. A green colored land mass is seen along the bottom third of the image. In the dark blue ocean are vibrant swirls of teal and green phytoplankton blooms. Credit: NASA

Sharpening Our View of Climate Change with the Plankton, Aerosol, Cloud, ocean Ecosystem Satellite

As our planet warms, Earth’s ocean and atmosphere are changing.

Climate change has a lot of impact on the ocean, from sea level rise to marine heat waves to a loss of biodiversity. Meanwhile, greenhouse gases like carbon dioxide continue to warm our atmosphere.

NASA’s upcoming satellite, PACE, is soon to be on the case!

Set to launch on Feb. 6, 2024, the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission will help us better understand the complex systems driving the global changes that come with a warming climate.

A global map centered on the Pacific Ocean. The map highlights the areas where ocean surface color changed. Change in color is represented by shades of green. The darkest green correlates to higher levels of change. Black dots on the map represent areas where chlorophyll levels also changed. Credit: NASA/Wanmei Liang; data from Cael, B. B., et al. (2023)

Earth’s ocean is becoming greener due to climate change. PACE will see the ocean in more hues than ever before.

While a single phytoplankton typically can’t be seen with the naked eye, communities of trillions of phytoplankton, called blooms, can be seen from space. Blooms often take on a greenish tinge due to the pigments that phytoplankton (similar to plants on land) use to make energy through photosynthesis.

In a 2023 study, scientists found that portions of the ocean had turned greener because there were more chlorophyll-carrying phytoplankton. PACE has a hyperspectral sensor, the Ocean Color Instrument (OCI), that will be able to discern subtle shifts in hue. This will allow scientists to monitor changes in phytoplankton communities and ocean health overall due to climate change.

Satellite image of a bright turquoise phytoplankton bloom in the Atlantic. The bloom is a large spiral shape on the right side of the image. Credit: USGS; NASA

Phytoplankton play a key role in helping the ocean absorb carbon from the atmosphere. PACE will identify different phytoplankton species from space.

With PACE, scientists will be able to tell what phytoplankton communities are present – from space! Before, this could only be done by analyzing a sample of seawater.

Telling “who’s who” in a phytoplankton bloom is key because different phytoplankton play vastly different roles in aquatic ecosystems. They can fuel the food chain and draw down carbon dioxide from the atmosphere to photosynthesize. Some phytoplankton populations capture carbon as they die and sink to the deep ocean; others release the gas back into the atmosphere as they decay near the surface.

Studying these teeny tiny critters from space will help scientists learn how and where phytoplankton are affected by climate change, and how changes in these communities may affect other creatures and ocean ecosystems.

Animation of aerosol model data around the world. Plumes of red, green, yellow, blue and pink swirl over the gray landmasses and blue ocean to show carbon, sulfate, dust, sea salt, and nitrate, respectively. Credit: NASA

Climate models are one of our most powerful tools to understand how Earth is changing. PACE data will improve the data these models rely on.

The PACE mission will offer important insights on airborne particles of sea salt, smoke, human-made pollutants, and dust – collectively called aerosols – by observing how they interact with light.

With two instruments called polarimeters, SPEXone and HARP2, PACE will allow scientists to measure the size, composition, and abundance of these microscopic particles in our atmosphere. This information is crucial to figuring out how climate and air quality are changing.

PACE data will help scientists answer key climate questions, like how aerosols affect cloud formation or how ice clouds and liquid clouds differ.

It will also enable scientists to examine one of the trickiest components of climate change to model: how clouds and aerosols interact. Once PACE is operational, scientists can replace the estimates currently used to fill data gaps in climate models with measurements from the new satellite.

Animation of the PACE satellite orbiting a gray globe. As the satellite orbits, colorful swaths are left in its path, indicating where the satellite has collected data. Credit: NASA

With a view of the whole planet every two days, PACE will track both microscopic organisms in the ocean and microscopic particles in the atmosphere. PACE’s unique view will help us learn more about the ways climate change is impacting our planet’s ocean and atmosphere.

Stay up to date on the NASA PACE blog, and make sure to follow us on Tumblr for your regular dose of sPACE!

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doctarjaferson - Jaferson Doctar
Jaferson Doctar

The Secretary-General's son Gabriel Lougou Unicef.org 🇺🇳🇨🇫🇩🇰.

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