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We are NASA's Planetary Science Division. Our hardworking robots explore the planets and more on the wild frontiers of our solar system.

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this week in 2011 our messenger mission became the first spacecraft to orbit the first planet from the sun amo
This week in 2011, our MESSENGER mission became the first spacecraft to orbit the first planet from the Sun. Among its findings, confirming the existence of water ice at Mercury’s shadowy poles. Meet Mercury: https://t.co/96KPCcMtO4
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NASA Solar System
NASASolarSystem
today the is full and its also the vernal equinox the in the northern hemisphere coincidence yes but its a goo
Today the #Moon is full 🌕 – and it’s also the vernal equinox, the #FirstDayOfSpring in the Northern Hemisphere. 🌷 Coincidence? Yes. But it’s a good time to learn more about equinoxes: https://t.co/FoFXZgNghU and lunar phases: https://t.co/LEldn6vVFN
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NASA Solar System
NASASolarSystem
were already learning so much about the building blocks of our solar system from this small world check out th
We’re already learning so much about the building blocks of our solar system from this small world. Check out the press release and follow @OSIRISREx for more about asteroid Bennu. https://t.co/TxYltqJnhB
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NASA Solar System
NASASolarSystem
we also found particles streaming from bennus surface the discovery of plumes and satellites around bennu is o
We also found particles streaming from Bennu’s surface. “The discovery of plumes and satellites around Bennu is one of the biggest surprises of my scientific career,” said Dante Lauretta, @OSIRISREx principal investigator. https://t.co/TxYltqJnhB #BennuRevealed
NASA Solar System
NASASolarSystem
after a few months of close study at asteroid bennu were sharing our initial results from first bennu is far r
After a few months of close study at asteroid Bennu, we’re sharing our initial results from @OSIRISREx.

First - Bennu is far rougher than anticipated. The asteroid is a bunch of rocks traveling together in space – we call it a rubble pile. Learn more: https://t.co/TxYltqJnhB
NASA Solar System
NASASolarSystem
bennus bumpiness has implications for our upcoming sample collection will be the first mission to collect a sa
Bennu’s bumpiness has implications for our upcoming sample collection. @OSIRISREx will be the first @NASA mission to collect a sample of an asteroid and return it to Earth. Given Bennu’s rugged surface, the sample area needs to be very small. Our plan? A bullseye tag.
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NASA Solar System
NASASolarSystem
listen in tomorrow march 19 at 1 30 et 18 30 utc as members of our mission discuss the latest news of asteroid
Listen in tomorrow, March 19 at 1:30 ET/18:30 UTC as members of our @OSIRISREx mission discuss the latest news of asteroid Bennu. https://t.co/Pfs39j8Wm3 #BennuRevealed
NASA Solar System
NASASolarSystem
the farthest object ever explored is slowly revealing its secrets as scientists piece together the puzzles of
The farthest object ever explored is slowly revealing its secrets, as scientists piece together the puzzles of the Kuiper Belt object the @NASANewHorizons spacecraft flew past on New Year's Day, four billion miles from Earth. See what they’ve learned: https://t.co/3Oyj6wxyA7
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NASA Solar System
NASASolarSystem
with ongoing missions to the moon mars jupiter amp beyond it s a golden age of solar system exploration were e
With ongoing missions to the Moon, Mars, Jupiter & beyond, it's a golden age of solar system exploration. We’re even discovering planets *outside* our own system. Today at 7pm PT (10pm ET) see the latest exoplanet science: https://t.co/RezD50804o Follow @PlanetQuest for more.
NASA Solar System
NASASolarSystem
the jokes they write themselves the science is pretty interesting too on the anniversary of its discovery in 1
The jokes, they write themselves. The science is pretty interesting, too. On the anniversary of its discovery in 1781, explore the secrets of the sideways planet: https://t.co/cTb2jY0lYH

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NASA Solar System
NASASolarSystem
for the first time we have heard the winds of another world learn more about the sent by
For the first time, we have heard the winds of another world.
Learn more about the #SoundsofMars sent by : https://t.co/PFHRE1ncRH
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NASA Solar System
NASASolarSystem
we cant pick favorites but weve got you check out the whole solar system at
We can’t pick favorites, but we’ve got you--check out the whole solar system at https://t.co/CPHjQD2MtZ
NASA Solar System
NASASolarSystem
were seeing s rings at just the right time scientists estimate that this spectacular phenomenon is no more tha
We’re seeing #Saturn’s rings at just the right time. Scientists estimate that this spectacular phenomenon is no more than 100 million years old—a short time during the life of the solar system—and the rings won’t last forever. Learn more: https://t.co/KWDIKAbwmm
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NASASolarSystem
we re commemorating the anniversary with a trip through the solar system as seen by our intrepid spacecraft ov
We're commemorating the #NASA60th anniversary with a trip through the solar system, as seen by our intrepid spacecraft over the past six decades: https://t.co/DmlNQYu3hk
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NASA Solar System
NASASolarSystem
dont miss the perseid meteor shower which peaks this weekend learn more
Don’t miss the Perseid meteor shower, which peaks this weekend. Learn more: https://t.co/jDu0MuCnyT
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NASA Solar System
NASASolarSystem
the peaks on nov 17 the best viewing will be after midnight your local time once the moon has set in this week
The #Leonid #meteorshower peaks on Nov. 17. The best viewing will be after midnight your local time, once the Moon has set. In this week’s #10Things, get tips for taking great photos of meteor showers: https://t.co/hM9GmXb1Pd #Leonidss#photography
NASA Solar System
NASASolarSystem
a new analysis of data from nasas cassini mission indicates saturn s rings may have formed during the age of t
A new analysis of data from NASA’s Cassini mission indicates Saturn's rings may have formed during the age of the dinosaurs: https://t.co/XT3ggO26fn
NASA Solar System
NASASolarSystem
all in a day using data from nasa s cassini spacecraft researchers believe they have finally solved a longstan
All in a day: using data from NASA's Cassini spacecraft, researchers believe they have finally solved a longstanding mystery, the length of a day on Saturn. https://t.co/HPWAiq8Anr
NASA Solar System
NASASolarSystem
congratulations to jaxaen on the launch of the hayabusa2 asteroid mission
Congratulations to @JAXA_en on the launch of the #Hayabusa2 asteroid mission. http://t.co/dj2Tg9MoCr http://t.co/y6kkmQWu0O
NASA Solar System
NASASolarSystem
it s been a big week for small objects in the solar system a billion miles past pluto explored a small kuiper
It's been a big week for small objects in the solar system. A billion miles past Pluto, @NASANewHorizons explored a small Kuiper Belt object for the first time, while closer to Earth, @OSIRISREx entered orbit around an asteroid. See details at https://t.co/CPHjQD2MtZ
Total(1) => 0.1531229019165 f_f_QM(2) => 0.099206924438477 indS(2) => 0.0417160987854 indM(2) => 0.051945924758911 indM_1(2) => 0.0035550594329834 indM_2(2) => 0.00087380409240723 indM_4(2) => 0.0067920684814453 indM_5(2) => 0.0052101612091064 indM_6(2) => 0.0020961761474609 indM_7(2) => 0.0044479370117188 indM_8(2) => 0.0020391941070557 indM_9(2) => 0.013928890228271 indM_10(2) => 0.012477874755859 f_f_pTL(2) => 0.05124306678772 f_f_dT(20) => 0.050769090652466