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From our perspective, planets move west-to-east. Periodically, they appear to move east-to-west, which we call retrograde motion. From Earth, we see all the planets in retrograde, but Mercury is in retrograde most often because it's the fastest planet around the Sun.
#NASASolarSystem
#NASASolarSystem

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Imagine the planets as speed skaters in different lanes on a circular track. The innermost skater’s loops are short and fast. From the perspective of a skater on the third lane, the first skater sometimes travels the same direction and sometimes, the opposite.
#NASASolarSystem
#NASASolarSystem

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What could you make with 8 crayons? What about a box of 96 or 128? 🖍️

@nasa’s PACE satellite, slated to launch in 2024, will see ocean color in more shades than any other sensor, helping scientists unlock the secrets of the sea. 🌊 🛰️
go.nasa.gov/41v5CFo
#NASAEarth

A Sea of Data: The PACE Mission

The data from PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) will help us better understand how the ocean and atmosphere exchange carbon dioxide. In additi...
YouTube
#nasaearth @NASA

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Earth is aglow as spacewalker Sergey Prokopyev installs a gap spanner—a handrail allowing easier movement for future spacewalkers—to the @ESA robotic arm. Watch now…nasa.gov/live
#ISS

NASA Live

NASA launches, landings, and events. Watch live broadcasts from NASA Television and NASA's social media channels, and a schedule of upcoming live events including news briefings, launches and landings.
NASA
#iss

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Celebrating 50 years!

Skylab, America's first space station, launched 50 years ago this Sunday! Join us as we revisit the first long-duration space missions made by @nasa astronauts and see how they paved the way for the future. #Skylab50
#NASAhistory

#NASAhistory #skylab50 @NASA

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The @nasa @usgs #Landsat captured a high-flow experiment – releasing water to simulate natural flooding and carry sediment downstream – at Glen Canyon Dam north of Horseshoe Bend in Arizona on April 27, 2023. go.nasa.gov/42Sdkdy
#NASAEarth

High Flow at Glen Canyon Dam

Water managers released a surge of water from the dam in late April to help preserve shrinking sandbars and shoreline habitats downstream.
go.nasa.gov
#landsat #nasaearth @NASA

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In the coming weeks, @USGS and @NatlParkService teams will document exactly where and how much sediment has moved based on data collected by remote cameras, fieldwork, and small aircraft.

Photo courtesy of @usbr.
Read more: go.nasa.gov/42Sdkdy
#NASAEarth

High Flow at Glen Canyon Dam

Water managers released a surge of water from the dam in late April to help preserve shrinking sandbars and shoreline habitats downstream.
go.nasa.gov
#nasaearth

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Earth is aglow as spacewalker Sergey Prokopyev installs a gap spanner—a handrail allowing easier movement for future spacewalkers—to the @ESA robotic arm. Two gap spanners were successfully installed during today's spacewalk. Watch now…nasa.gov/live
#ISS

NASA Live

NASA launches, landings, and events. Watch live broadcasts from NASA Television and NASA's social media channels, and a schedule of upcoming live events including news briefings, launches and landings.
NASA
#iss
in reply to NASA

A Republic, while we kept it
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A Republic, while we kept it
• •
You mean the ISS has been an orbiting OSHA violation this whole time?

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Nearly an hour into today's spacewalk, Cosmonauts Sergey Prokopyev and Dmitri Petelin have deployed the radiator. Watch now…nasa.gov/live
#ISS

NASA Live

NASA launches, landings, and events. Watch live broadcasts from NASA Television and NASA's social media channels, and a schedule of upcoming live events including news briefings, launches and landings.
NASA
#iss

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Cosmonauts Sergey Prokopyev and Dmitri Petelin have removed two restraints from the Nauka module radiator and will now begin deploying the radiator, unfolding it to its full length. Watch now…nasa.gov/live
#ISS

NASA Live

NASA launches, landings, and events. Watch live broadcasts from NASA Television and NASA's social media channels, and a schedule of upcoming live events including news briefings, launches and landings.
NASA
#iss

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LIVE: Cosmonauts are about to embark on a spacewalk to deploy and activate a radiator that will help cool the @Space_Station’s Nauka science module: nasa.gov/live
#NASA

NASA Live

NASA launches, landings, and events. Watch live broadcasts from NASA Television and NASA's social media channels, and a schedule of upcoming live events including news briefings, launches and landings.
NASA
#NASA

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Cosmonauts Sergey Prokopyev and Dmitri Petelin opened the hatch of the Poisk airlock at 11:47 am ET today, beginning their spacewalk to deploy a radiator. blogs.nasa.gov/spacestation/20…
#ISS

Cosmonauts Begin Spacewalk to Deploy Radiator

Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin began a spacewalk at 11:47 a.m. EDT to deploy a radiator on the International Space Station’s Nauka science module.
blogs.nasa.gov
#iss

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.@nasa TV is live as Cosmonauts Sergey Prokopyev and Dmitri Petelin are due to start a six-and-a-half hour spacewalk at 11:55am ET today to deploy a radiator. blogs.nasa.gov/spacestation/20…
#ISS

Cosmonaut Spacewalkers Exiting Station Soon Live on NASA TV

NASA Television coverage is underway for today’s spacewalk with Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin.
blogs.nasa.gov
#iss @NASA

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Finish out #TeacherAppreciationWeek strong!

Check out some of our free webinars: go.nasa.gov/3I7ifzr

11am ET (15:00 UTC): Preparing for #Artemis
12pm ET (16:00 UTC): Infiniscope Presents: Mars Sample Return
2pm ET (18:00 UTC): Exploring NASA's Lunar Lab & Astromaterials 3D
#NASAArtemis #Artemis

In Appreciation of Educators, NASA Presents Digital Learning Week

NASA’s Science Activation Program invites learners of all ages, including students and educators, to join our Digital Learning Week Celebration.
Tricia Talbert (NASA)
#artemis #nasaartemis #teacherappreciationweek

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For Webb's second year of science, a record-breaking 1,600 proposals were submitted by more than 5,450 scientists from 52 countries. Learn more about how 249 proposals were ultimately selected from Christine Chen at the @SpaceTelescope Science Institute: go.nasa.gov/3O5OEKG
#JamesWebb

The Telescope Allocation Committee: Selecting What Webb Observes Next – James Webb Space Telescope

go.nasa.gov
#jameswebb

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Exoplanets, galaxies, black holes, oh my!

Curious to see what areas of astronomy Webb will cover in year 2? Find a comprehensive list of the approved science programs here: bit.ly/42xhVSG
#JamesWebb

CYCLE 2 GO

Review approved JWST General Observer (GO) programs for Cycle 2
STScI.edu
#jameswebb

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What's better than one galaxy? A whole cluster of them!

This #HubbleFriday image features a galaxy cluster about nine billion light-years away! Explore more: go.nasa.gov/3M5WrWi
#Hubble

Hubble Captures a Light-Bending Galaxy Cluster

A vast galaxy cluster lurks in the center of this image from the NASA/ESA Hubble Space Telescope.
Andrea Gianopoulos (NASA)
#hubblefriday #hubble

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Halley Dust, Mars Dust, and Milky Way

Image Credit & Copyright: Petr Horalek / Institute of Physics in Opava

apod.nasa.gov/apod/ap230512.ht… #APOD

APOD: 2023 May 12 - Halley Dust, Mars Dust, and Milky Way

A different astronomy and space science related image is featured each day, along with a brief explanation.
apod.nasa.gov
#APOD

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Halley Dust, Mars Dust, and Milky Way apod.nasa.gov/apod/ap230512.ht… #APOD

APOD: 2023 May 12 - Halley Dust, Mars Dust, and Milky Way

A different astronomy and space science related image is featured each day, along with a brief explanation.
apod.nasa.gov
#APOD

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Heavy rains caused flash flooding and landslides in northern Italy on May 2–3, 2023. 🌧

#Landsat satellites captured these enhanced-color images of flooding near the Lamone river before (left) and after (right) the rains. go.nasa.gov/3LPXWaO
#NASAEarth

A Deluge in Italy

Heavy rains caused destructive flash flooding in the Emilia-Romagna region.
go.nasa.gov
#landsat #nasaearth

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Not just out of the park, but out of this world!

Our team participated at the @Royals’ “School Day at The K,” talking to thousands of local students from the Kansas City area about Webb science & engineering.
#JamesWebb

#jameswebb

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Two cosmonauts were given the GO for Friday's spacewalk as the rest of the Exp 69 crew serviced advanced research gear and studied space's affect on the human body. blogs.nasa.gov/spacestation/20…
#ISS

Cosmonauts GO for Spacewalk, Astronauts Work on Science Gear

Station managers have given the go for a spacewalk on Friday to deploy and activate a radiator on the International Space Station.
blogs.nasa.gov
#iss

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NASA has selected five new research teams that will work to better understand the lunar environment to prepare for further human and robotic exploration of our Moon.

Congratulations to the new teams!
nasa.gov/feature/nasa-selects-…
#NASAMoon

NASA Selects Five Teams to Study Lunar Science and Sample Analysis

NASA has selected five new research teams to collaborate on lunar science and lunar sample analysis research to support future exploration of the Moon as part of the agency’s Solar System Exploration Research Virtual Institute (SSERVI).
Tricia Talbert (NASA)
#nasamoon

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Question: When you see something like this, do you say, “Huh, a pile of rocks.” – or something more like, “Whoa! Crazy tall, tilted, sedimentary layers! Formed by a fast-moving ancient river, maybe?”

(I think you know where I stand.)

Latest findings: go.nasa.gov/42OsAs8
#PerseveranceRover

Images From NASA's Perseverance May Show Record of Wild Martian River

Evidence left in rocks is leading scientists to rethink what watery environments looked like on ancient Mars.
NASA Mars Exploration
#perseverancerover
in reply to NASA

Yet Water Was
mastodon - Link to source
Yet Water Was
• •
And still no alt-text to your images... I think you know where I stand. Super disappointing for an org like NASA to ignore basic inclusionary standards.

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New images from @NASAPersevere may show evidence of what was once a wild and deep river on Mars. The observations are leading scientists to rethink how ancient water once flowed on the Red Planet. go.nasa.gov/41tYxEP
#NASA
#NASA
in reply to NASA

Laser314
mastodon - Link to source
Laser314
• •
I'm curious about wind erosion. Is this the surface that would have been exposed when the river dried back in antiquity? Or similar to the grand canyon are we looking at a layer that was under other layers at one time?

mastodon - Link to source
A blip in brightness & a world's demise
Astronomers saw a flash in a sky survey, and found it again in infrared: the first direct observation of a star devouring a planet. Our Sun, and perhaps our planet, will face a similar fate in 5 billion years. go.nasa.gov/42fREYs
#NASAExoplanets

Caught in the Act: Astronomers Detect a Star Devouring a Planet

A star nearing the end of its life swelled up and absorbed a Jupiter-size planet. In about 5 billion years, our Sun will go through a similar end-of-life transition.
Exoplanet Exploration: Planets Beyond our Solar System
#NASAExoplanets

mastodon - Link to source

DustDash order for phytoplankton 🌬️

A new study shares how dust – carried from land over the ocean by winds – nourishes tiny, plant-like marine organisms called phytoplankton. Phytoplankton play a large role in Earth’s climate and carbon cycle. go.nasa.gov/3MkRx9c
#NASAEarth

How Desert Dust Nourishes the Growth of Phytoplankton at Sea

After a long-distance delivery, nutrients in desert dust nourish life in the ocean.
Jennifer Fadoul (NASA)
#nasaearth

mastodon - Link to source

Scientists analyzed 14 years of ocean color measurements from the Aqua satellite and compared it to dust events in the GEOS model.

Desert dust increased the mass and improved the health of phytoplankton blooms, the team from @OregonState, @UMBaltimore & @nasa reported.
#NASAEarth

#nasaearth @NASA

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This @NASAWebb image of the Pillars of Creation helps astronomers determine how stars form. Plus, it makes pretty sweet digital wallpaper.

Download high-resolution images from webbtelescope.org.
#NASA

#NASA
in reply to NASA

skry
mastodon - Link to source
skry
• •
@Barbramon1 Here’s the link to some of the images, including this one. I found it in the nebulas category: webbtelescope.org/images?Categ…
@Barbara Monaco

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Space Shuttle Atlantis (STS-125) launched for the fifth and final Hubble Servicing Mission #OTD in 2009.

Over 5 spacewalks, the crew replaced 2 instruments and repaired 2 others, bringing @NASAHubble to the apex of its scientific capabilities!

More: go.nasa.gov/3B7Bx3O
#NASAhistory

About - Hubble Servicing Missions | Servicing Mission 4

NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.
NASA
#otd #NASAhistory

mastodon - Link to source

Here’s some Hubble history: #OTD in 2009, the fifth servicing mission to the telescope launched!

The mission’s crew installed new scientific instruments, while also completing repairs and upgrades that made Hubble more capable than ever.

Read more: go.nasa.gov/3Bg3GFN
#Hubble

About - Hubble Servicing Missions | Servicing Mission 4

NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind.
NASA
#otd #hubble

mastodon - Link to source

Referenced link: nature.com/articles/s41586-023…
Discuss on discu.eu/q/nature.com/articles…

Originally posted by Nature Portfolio / @NaturePortfolio: nitter.platypush.tech/NaturePo…

A personalized mRNA vaccine induces a substantial immune response and potentially delays relapse in patients with a form of pancreatic cancer when used in conjunction with other treatments, reports a study published in @Nature. nature.com/articles/s41586-023…


Personalized RNA neoantigen vaccines stimulate T cells in pancreatic cancer - Nature

A phase I clinical trial of an adjuvant personalized mRNA neoantigen vaccine, autogene cevumeran, in patients with pancreatic ductal carcinoma demonstrates that the vaccine can induce T cell activity that may correlate with delayed recurrence of dise…
Nature

mastodon - Link to source

Fomalhaut's Dusty Debris Disk

Image Credit: NASA, ESA, CSA, Processing: András Gáspár (Univ. of Arizona), Alyssa Pagan (STScI), Science: A. Gáspár (Univ. of Arizona) et al.

apod.nasa.gov/apod/ap230511.ht… #APOD

APOD: 2023 May 6 - Fomalhaut's Dusty Debris Disk

A different astronomy and space science related image is featured each day, along with a brief explanation.
apod.nasa.gov
#APOD

mastodon - Link to source
Fomalhaut's Dusty Debris Disk apod.nasa.gov/apod/ap230511.ht… #APOD

APOD: 2023 May 6 - Fomalhaut's Dusty Debris Disk

A different astronomy and space science related image is featured each day, along with a brief explanation.
apod.nasa.gov
#APOD
in reply to NASA

Irfan
mastodon - Link to source
Irfan
• •
idk why JWST didnt finish to scan that black area in the centre ﾉ⁠(⁠°⁠ ⁠-⁠°⁠ﾉ⁠)

mastodon - Link to source
The Exp 69 crew on Wednesday worked on spacesuits, conducted eye exams, then studied the heart and future piloting techniques. blogs.nasa.gov/spacestation/20…
#ISS

Spacesuit Work, Eye Checks, Human Research Fill Crew Day

Two cosmonauts spent the day readying the spacesuits they will wear for a spacewalk scheduled for Friday.
blogs.nasa.gov
#iss

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A distant planet outside our solar system – and unlike anything in it – gets a look by @NASAWebb. It’s the closest look yet at the mysterious world, a “mini-Neptune” that was largely impenetrable to previous observations! go.nasa.gov/42IoS2V
#NASAExoplanets

NASA's Webb Takes Closest Look Yet at Mysterious Planet

New data from NASA's Webb space telescope reveals new details about a strange but common planet type, a 'mini-Neptune.'
Exoplanet Exploration: Planets Beyond our Solar System
#NASAExoplanets

mastodon - Link to source
True to its name, a mini-Neptune is kind of like Neptune, but fun-sized. These exoplanets have thick, hazy atmospheres that can be difficult to peer through. Now Webb has lifted the curtain with the closest look yet at mini-Neptune GJ 1214 b (illustrated): jpl.nasa.gov/news/nasas-webb-t…
#JamesWebb

NASA’s Webb Takes Closest Look Yet at Mysterious Planet

A science team gains new insight into the atmosphere of a “mini-Neptune,” a class of planet common in the galaxy but about which little is known.
NASA Jet Propulsion Laboratory (JPL)
#jameswebb
in reply to NASA

pab_odg
mastodon - Link to source
pab_odg
• •
I'm glad that when the pic is snapped that we are getting the flat side of the planet and not the wafer thickness. LOLOLOL

mastodon - Link to source
True to its name, a mini-Neptune is kind of like Neptune, but fun-sized. These exoplanets have thick, hazy atmospheres that can be difficult to peer through. Now Webb has lifted the curtain with the closest look yet at mini-Neptune GJ 1214 b (illustrated): jpl.nasa.gov/news/nasas-webb-t…
#JamesWebb

NASA’s Webb Takes Closest Look Yet at Mysterious Planet

A science team gains new insight into the atmosphere of a “mini-Neptune,” a class of planet common in the galaxy but about which little is known.
NASA Jet Propulsion Laboratory (JPL)
#jameswebb

mastodon - Link to source
Webb tracked the full orbit of GJ 1214 b, allowing scientists to create a “heat map." This map showed a big change in temperature between the mini-Neptune’s day and night sides — only possible if its atmosphere is made of heavier molecules, such as water or methane.
#JamesWebb
#jameswebb

mastodon - Link to source

The first woman of Indian descent to go to space, a pilot, and an aerospace engineer, Kalpana Chawla's trailblazing role in aerospace history will be remembered for decades to come. #AANHPIHeritageMonth

Learn more about her life: go.nasa.gov/3LT5aef
#NASAhistory

#NASAhistory #AANHPIHeritageMonth

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