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Join us as we explore the worlds of our solar system.

Milky Way Galaxy
Joined June 2008
Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)Photo by NASA Solar System (@NASASolarSystem)
NASA Solar System retweeted
NASA's Discovery Program has an impressive record of innovative, low-cost missions to explore our solar system. The NASA History Office's latest publication offers insight into how the program has evolved in recent years. Get the free e-book 📖 go.nasa.gov/4zatkYg Images from Discovery Program missions active from 2011 to 2025 (left to right): 1. Mercury – MESSENGER 2. Ceres – Dawn 3. Gravity map of the Moon – GRAIL 4. InSight on Mars 5. Asteroid Donaldjohanson – Lucy 6. Mars as seen by Psyche
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No other traveler has ever journeyed so far from home. Voyager 1 is about to become the first human-made object to reach a distance of one light-day from Earth, or about 16 billion miles. ½
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NASA Solar System retweeted
Lucy: 1 Odysseus: 0 The Lucy spacecraft has officially reached the Jupiter Trojan asteroid region, just 5 years after launch — half the time it took Odysseus to get home from his voyage to the Trojans.
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NASA Solar System retweeted
It’s #SunDay! Here’s your space weather report for Oct. 30-Nov. 5: •1 M-class flare •0 C-class flares •11 coronal mass ejections •1 geomagnetic storm This video from NASA’s Solar Dynamics Observatory shows the week’s activity. After a quiet stretch, the Sun woke up at the very end of this reporting period. Active region AR14566 rotated into view on the southeastern limb (lower left) around Nov. 3. Within about a day, its magnetic field had tangled into a complex arrangement that tends to produce strong flares. On Nov. 5, AR14566 fired an M3.5 flare, the week’s strongest, along with a coronal mass ejection (not readily visible in this view) that sped away at about 2 million mph (915 km/s). The flare appears as a bright flash at about 2:59 in the video, to the left of and just below the Sun’s center. We’ll be watching this region as it crosses the Sun in the coming days. More about solar storms and flares: go.nasa.gov/3Naeuv9
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NASA Solar System retweeted
New awards. New mission updates. More progress toward a Moon Base. We're advancing commercial lunar deliveries, a nuclear-powered rover, launch and orbital transfer services, and infrastructure to support a sustained human presence on the Moon: nasa.gov/news-release/nasa-a…
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NASA Solar System retweeted
LIVE: Big updates on our efforts to build a Moon Base! @NASAAdmin and agency leaders are sharing the latest progress and new developments toward establishing a sustained human presence on the lunar surface. xitter.gq/i/broadcasts/2ybAenAyp…
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NASA Solar System retweeted
We're kicking Moon Base updates into high gear! 🚀 Tune in today at 5 p.m. ET as agency leaders share the latest progress and new developments in our efforts to establish a sustained human presence on the lunar surface. The event will stream live from MAX POWER at @NASAKennedy.
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NASA Solar System retweeted
Nice shades. 😎 This sunshade will fly on NEO Surveyor, a spacecraft that will spot nearby asteroids and comets that ground-based telescopes might miss. The sunshade will help by harnessing the Sun’s power and blocking its blinding glare: go.nasa.gov/47Ze1GP
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Flyby #1 is happening tonight! 🔭 Where and when to see these Mars-bound spacecraft from your location: go.nasa.gov/4sFegAc
NASA’s twin ESCAPADE spacecraft swing past Earth one by one on Nov. 6-7 and 8-9 on their way to Mars. Have a telescope? You may be able to spot each spacecraft in the hours before each flyby as a faint dot drifting slowly east to west. 🔭 Star charts for locations across the U.S.: go.nasa.gov/4ySFuEV
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NASA Solar System retweeted
This spacecraft selfie🤳from deep space shows the top deck of ESA's Hera asteroid mission🛰️& the sticker with Hera's newly-named dinosaur🦖mascot - meet Chicxu! esa.int/articles/about-us/di…
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Ready to put your STEM skills to the test during NASA's @SpaceApps Challenge hackathon on Nov. 14-15? Work with teams from around the world to tackle some of the most pressing issues in science and space exploration. Through the "Flame in Freefall" challenge, you'll use NASA Glenn resources and data to deliver insights about fire safety in microgravity. Register here: bit.ly/4gmUvc8
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NASA Solar System retweeted
So, you're building a Moon Base? 🤔 You've got questions. We've got answers! Why the lunar South Pole region? How do you build a base on the Moon? What will it take to live and work there? Explore answers to these questions and more in our Moon Base FAQ: nasa.gov/moon-base-frequentl…
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Tantalizing!
Closing in on Didymos. ☄️ Our planetary defence mission Hera has captured its first close-up of the binary asteroid system, 60 km away, as it prepares to investigate the aftermath of DART’s historic impact with Dimorphos. Detailed images of both asteroids are coming on 25 November. Read more: esa.int/articles/about-us/di…
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NASA’s twin ESCAPADE spacecraft swing past Earth one by one on Nov. 6-7 and 8-9 on their way to Mars. Have a telescope? You may be able to spot each spacecraft in the hours before each flyby as a faint dot drifting slowly east to west. 🔭 Star charts for locations across the U.S.: go.nasa.gov/4ySFuEV
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Best viewing times on the West Coast: Spacecraft 1: Saturday, Nov. 7, midnight-1am PT Spacecraft 2: Monday, Nov. 9, 1am-2am PT Each will be faint and take hours to cross the sky. More on ESCAPADE's intrepid Mars maneuver: go.nasa.gov/4sFegAc
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NASA Solar System retweeted
Join NASA’s Night Sky Network on Wednesday, Nov. 4, at 6:00 p.m. PT (9:00 p.m. ET) for a livestream discussing half a century of science with our Voyager mission as Voyager 1 approaches 1 light-day from Earth. The event will also be recorded. Details: youtu.be/lG0djnmkRYM
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Hey stargazers, November offers meteor showers, a close pairing of Mars and Jupiter, and more.
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