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5 min read
### What’s Up: March 2025 Skywatching Tips from NASA
article2 weeks ago
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3 min read
### 40 Years Ago: Space Shuttle Atlantis Makes its Public Debut
article4 days ago
](https://www.nasa.gov/history/40-years-ago-space-shuttle-atlantis-makes-its-public-debut/)[
6 min read
### NASA’s Webb Peers Deeper into Mysterious Flame Nebula
article4 days ago
](https://science.nasa.gov/missions/webb/nasas-webb-peers-deeper-into-mysterious-flame-nebula/)
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### Highlights
[
6 min read
### What You Need to Know about NASA’s SpaceX Crew-10 Mission
article 1 week ago
](https://www.nasa.gov/missions/station/what-you-need-to-know-about-nasas-spacex-crew-10-mission/)[
2 min read
### Hubble Spies a Spiral in the Water Snake
article 1 week ago
](https://science.nasa.gov/missions/hubble/hubble-spies-a-spiral-in-the-water-snake/)[
4 min read
### Discovery Alert: ‘Super-Earth’ Swings from Super-Heated to Super-Chill
article 3 days ago
](https://science.nasa.gov/universe/exoplanets/discovery-alert-super-earth-swings-from-super-heated-to-super-chill/)
### Highlights
[
2 min read
### ASR
article 7 days ago
](https://www.nasa.gov/johnson/jsc-procurement/asr/)[
8 min read
### Ahead of Crew Return, NASA’s Crew-9 Concludes Science Mission
article 1 week ago
](https://www.nasa.gov/missions/station/iss-research/nasas-spacex-crew-9-scientific-mission-on-space-station-concludes/)[
2 min read
### NASA Invites You to Share Excitement of Agency’s SpaceX Crew-10 Launch
article 1 week ago
](https://www.nasa.gov/get-involved/virtual-guest-program/nasa-invites-you-to-share-excitement-of-agencys-spacex-crew-10-launch/)
### Highlights
[
6 min read
### NASA Data Supports Everglades Restoration
article 3 hours ago
](https://science.nasa.gov/earth/nasa-data-supports-everglades-restoration/)[
8 min read
### NASA Researchers Study Coastal Wetlands, Champions of Carbon Capture
article 1 day ago
](https://science.nasa.gov/earth/nasa-researchers-study-coastal-wetlands-champions-of-carbon-capture/)[
3 min read
### NASA Analysis Shows Unexpected Amount of Sea Level Rise in 2024
article 1 day ago
](https://www.nasa.gov/missions/jason-cs-sentinel-6/sentinel-6-michael-freilich/nasa-analysis-shows-unexpected-amount-of-sea-level-rise-in-2024/)
### Highlights
[
5 min read
### NASA’s Record-Shattering, Theory-Breaking MMS Mission Turns 10
article 2 days ago
](https://science.nasa.gov/science-research/heliophysics/mms-mission-turns-10/)[
2 min read
### How Do We Know the Earth Isn’t Flat? We Asked a NASA Expert: Episode 53
article 3 days ago
](https://www.nasa.gov/earth/how-do-we-know-the-earth-isnt-flat-we-asked-a-nasa-expert-episode-53/)[
6 min read
### Cosmic Mapmaker: NASA’s SPHEREx Space Telescope Ready to Launch
article 7 days ago
](https://www.nasa.gov/missions/spherex/cosmic-mapmaker-nasas-spherex-space-telescope-ready-to-launch/)
### Highlights
[
2 min read
### Hubble Sees a Spiral and a Star
article 7 hours ago
](https://science.nasa.gov/missions/hubble/hubble-sees-a-spiral-and-a-star/)[
4 min read
### Discovery Alert: ‘Super-Earth’ Swings from Super-Heated to Super-Chill
article 3 days ago
](https://science.nasa.gov/universe/exoplanets/discovery-alert-super-earth-swings-from-super-heated-to-super-chill/)[
6 min read
### Team Preps to Study Dark Energy via Exploding Stars With NASA’s Roman
article 3 days ago
](https://www.nasa.gov/missions/roman-space-telescope/team-preps-to-study-dark-energy-via-exploding-stars-with-nasas-roman/)
### Highlights
[
2 min read
### Hubble Sees a Spiral and a Star
article 7 hours ago
](https://science.nasa.gov/missions/hubble/hubble-sees-a-spiral-and-a-star/)[
3 min read
### NASA Analysis Shows Unexpected Amount of Sea Level Rise in 2024
article 1 day ago
](https://www.nasa.gov/missions/jason-cs-sentinel-6/sentinel-6-michael-freilich/nasa-analysis-shows-unexpected-amount-of-sea-level-rise-in-2024/)[
5 min read
### NASA’s Record-Shattering, Theory-Breaking MMS Mission Turns 10
article 2 days ago
](https://science.nasa.gov/science-research/heliophysics/mms-mission-turns-10/)
### Highlights
[
3 min read
### Finalists Selected in NASA Aeronautics Agriculture-Themed Competition
article 1 min ago
](https://www.nasa.gov/aeronautics/agriculture-comp-finalists/)[
5 min read
### NASA’s Chevron Technology Quiets the Skies
article 3 days ago
](https://www.nasa.gov/centers-and-facilities/glenn/nasas-chevron-technology-quiets-the-skies/)[
3 min read
### NASA Selects Three University Teams to Participate in Flight Research
article 3 days ago
](https://www.nasa.gov/directorates/armd/tacp/ui/uli/2025-university-teams/)
### Highlights
[
4 min read
### NASA Cameras on Blue Ghost Capture First-of-its-Kind Moon Landing Footage
article 1 day ago
](https://www.nasa.gov/general/nasa-cameras-on-blue-ghost-capture-first-of-its-kind-moon-landing-footage/)[
2 min read
### NASA Continues BioNutrients Space-Fermented Food Research
article 3 days ago
](https://www.nasa.gov/general/nasa-continues-bionutrients-space-fermented-food-research/)[
2 min read
### What is a NASA Spinoff? We Asked a NASA Expert: Episode 53
article 1 week ago
](https://www.nasa.gov/directorates/stmd/what-is-a-nasa-spinoff-we-asked-a-nasa-expert-episode-53/)
### Highlights
[
3 min read
### NASA Selects Three University Teams to Participate in Flight Research
article 3 days ago
](https://www.nasa.gov/directorates/armd/tacp/ui/uli/2025-university-teams/)[
2 min read
### 2025 Aviation Weather Mission: Civil Air Patrol Cadets Help Scientists Study the Atmosphere with GLOBE Clouds
article 1 week ago
](https://science.nasa.gov/learning-resources/science-activation/2025-aviation-weather-mission-civil-air-patrol-cadets-help-scientists-study-the-atmosphere-with-globe-clouds/)[
3 min read
### University High Knows the Answers at NASA JPL Regional Science Bowl
article 2 weeks ago
](https://www.nasa.gov/centers-and-facilities/jpl/university-high-knows-the-answers-at-nasa-jpl-regional-science-bowl/)
### Highlights
[
2 min read
### NASA Invites You to Share Excitement of Agency’s SpaceX Crew-10 Launch
article 1 week ago
](https://www.nasa.gov/get-involved/virtual-guest-program/nasa-invites-you-to-share-excitement-of-agencys-spacex-crew-10-launch/)[
5 min read
### NASA’s Chevron Technology Quiets the Skies
article 3 days ago
](https://www.nasa.gov/centers-and-facilities/glenn/nasas-chevron-technology-quiets-the-skies/)[
6 min read
### Team Preps to Study Dark Energy via Exploding Stars With NASA’s Roman
article 3 days ago
](https://www.nasa.gov/missions/roman-space-telescope/team-preps-to-study-dark-energy-via-exploding-stars-with-nasas-roman/)
### Highlights
[
4 min read
### El X-59 de la NASA completa las pruebas electromagnéticas
article 2 days ago
](https://www.nasa.gov/es/el-x-59-de-la-nasa-completa-las-pruebas-electromagneticas/)[
1 min read
### Mejores imágenes de Ciencia en la estación espacial 2024
article 3 weeks ago
](https://www.nasa.gov/feature/mejores-imagenes-de-ciencia-en-la-estacion-espacial-2024/)[
11 min read
### La NASA identifica causa de pérdida de material del escudo térmico de Orion de Artemis I
article 3 months ago
](https://www.nasa.gov/es/la-nasa-identifica-causa-de-perdida-de-material-del-escudo-termico-de-orion-de-artemis-i/)
Explore This Section
Solar System Exploration
========================
Join us as we explore our solar system.
08
#### Planets
05
#### Dwarf Planets
10 THINGS about our solar system
--------------------------------
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 7\. Diverse Atmospheres
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system has many worlds with many types of atmospheres.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 8\. Ring Worlds
](https://science.nasa.gov/solar-system/solar-system-facts/)
The four giant planets – and at least one asteroid – have rings.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 9\. Getting Out There
](https://science.nasa.gov/solar-system/solar-system-facts/)
More than 300 robotic spacecraft have left Earth's orbit, and 24 U.S. astronauts have traveled to the Moon.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 10\. Life as We Know It
](https://science.nasa.gov/solar-system/solar-system-facts/)
So far, Earth is the only place we've found life in our solar system.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 1\. Many Worlds
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system has eight planets, and five dwarf planets.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 2\. Small Worlds, Too
](https://science.nasa.gov/solar-system/solar-system-facts/)
About 1.4 million asteroids, and about 4,000 comets are in our solar system.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 3\. Lots of Moons
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system has more than 300 planetary moons.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 4\. Meet Me in the Milky Way
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system is in one of the Milky Way galaxy’s spiral arms called the Orion Spur.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 5\. A Long Way Around
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system takes about 230 million years to orbit the galactic center.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 6\. Spiraling Through Space
](https://science.nasa.gov/solar-system/solar-system-facts/)
The Milky Way is a barred spiral galaxy.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 7\. Diverse Atmospheres
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system has many worlds with many types of atmospheres.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 8\. Ring Worlds
](https://science.nasa.gov/solar-system/solar-system-facts/)
The four giant planets – and at least one asteroid – have rings.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 9\. Getting Out There
](https://science.nasa.gov/solar-system/solar-system-facts/)
More than 300 robotic spacecraft have left Earth's orbit, and 24 U.S. astronauts have traveled to the Moon.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 10\. Life as We Know It
](https://science.nasa.gov/solar-system/solar-system-facts/)
So far, Earth is the only place we've found life in our solar system.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 1\. Many Worlds
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system has eight planets, and five dwarf planets.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 2\. Small Worlds, Too
](https://science.nasa.gov/solar-system/solar-system-facts/)
About 1.4 million asteroids, and about 4,000 comets are in our solar system.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 3\. Lots of Moons
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system has more than 300 planetary moons.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 4\. Meet Me in the Milky Way
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system is in one of the Milky Way galaxy’s spiral arms called the Orion Spur.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 5\. A Long Way Around
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system takes about 230 million years to orbit the galactic center.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 6\. Spiraling Through Space
](https://science.nasa.gov/solar-system/solar-system-facts/)
The Milky Way is a barred spiral galaxy.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 7\. Diverse Atmospheres
](https://science.nasa.gov/solar-system/solar-system-facts/)
Our solar system has many worlds with many types of atmospheres.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 8\. Ring Worlds
](https://science.nasa.gov/solar-system/solar-system-facts/)
The four giant planets – and at least one asteroid – have rings.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 9\. Getting Out There
](https://science.nasa.gov/solar-system/solar-system-facts/)
More than 300 robotic spacecraft have left Earth's orbit, and 24 U.S. astronauts have traveled to the Moon.
[
](https://science.nasa.gov/solar-system/solar-system-facts/)
[
### 10\. Life as We Know It
](https://science.nasa.gov/solar-system/solar-system-facts/)
So far, Earth is the only place we've found life in our solar system.
Latest News
-----------
[More NASA News](https://www.nasa.gov/news/all-news/)
[
Article
3 Min Read
Embracing the Equinox
](https://science.nasa.gov/solar-system/skywatching/night-sky-network/embracing-the-equinox/)
[Article
3 Min Read
Finalists Selected in NASA Aeronautics Agriculture-Themed Competition](https://www.nasa.gov/aeronautics/agriculture-comp-finalists/)
[
4 Min Read
NASA Atmospheric Wave-Studying Mission Releases Data from First 3,000 Orbits
Article
](https://science.nasa.gov/science-research/heliophysics/nasa-awe-first-data/)[
5 Min Read
Meet the Johnson CLPS Team Supporting NASA’s Lunar Exploration Goals
Article
](https://www.nasa.gov/centers-and-facilities/johnson/meet-the-johnson-clps-team-supporting-nasas-lunar-exploration-goals/)[
1 Min Read
Blood Moon Lunar Eclipse
Image Article
](https://www.nasa.gov/image-article/blood-moon-lunar-eclipse/)
* Solar System Facts
* Planets
* Moons
Solar System Facts
------------------
Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets.
[Get the Facts](https://science.nasa.gov/solar-system/solar-system-facts/)
An artist's concept of our solar system.
NASA
About the Planets
-----------------
Learn about the inner planets, the outer planets, and the dwarf planets.
[Explore the Planets](https://science.nasa.gov/solar-system/planets/)
The eight planets and dwarf planet Pluto.
NASA
Moons in Our Solar System
-------------------------
Our solar system has hundreds of moons, and they come in many shapes and sizes.
[Explore Moons](https://science.nasa.gov/solar-system/moons/)
Hyperion is the largest of Saturn's irregularly shaped moons.
NASA/JPL-Caltech/Space Science Institute
Skywatching Tips
----------------
* ### What’s Up
Which planets are visible and when to see them.
[Explore](https://science.nasa.gov/solar-system/skywatching/whats-up-march-2025-skywatching-tips-from-nasa/)
* ### Detailed Daily Guide
Learn about the next full moon, and other skywatching events.
[Get the Guide](https://science.nasa.gov/skywatching/nasa-daily-skywatching-guide/?exclude_child_pages=false&order=DESC&orderby=date&layout=list&number_of_items=3&requesting_id=145941&science_only=false&show_content_type_tags=yes&show_excerpts=yes&show_pagination=true&show_readtime=yes&show_thumbnails=yes&response_format=html&listing_page=yes&listing_page_category_id=1985&post_types=post&categories=1985&internal_terms=5020)
* ### Skywatching Hub
Get tips for photographing the Moon, guides, activities, and videos for skywatchers.
[Explore More](https://science.nasa.gov/skywatching/)
* ### What are Auroras?
What causes auroras? When and where can you seem them?
[Explore](https://science.nasa.gov/sun/auroras/)
* ### Meteor Showers
When's the next meteor shower, and how many meteors can you expect to see?
[Explore](https://science.nasa.gov/meteor-showers/)
How To...
---------
Explore NASA's tips and guides for observing and photographing the sky.
[Skywatching Hub](https://science.nasa.gov/skywatching/)
### Photograph the Moon
Capturing the Moon with a camera is satisfying and challenging.
[Read More](https://science.nasa.gov/solar-system/moon/how-to-photograph-the-moon/)
### Use Binoculars for Skywatching
Binoculars are an excellent first "telescope" for skywatching.
[Read More](https://science.nasa.gov/solar-system/skywatching/night-sky-network/binoculars-a-great-first-telescope/)
### Photograph a Meteor Shower
Follow these tips to be rewarded with a great photo of meteors.
[Read More](https://science.nasa.gov/solar-system/how-to-photograph-a-meteor-shower/)
### Find Good Places to Stargaze
We've got you covered. We'll help you find a great spot.
[Read More](https://science.nasa.gov/solar-system/skywatching/how-to-find-good-places-to-stargaze/)
Eyes on the Solar System: A real-time visualization of our solar system using planetary science data.
NASA/JPL-Caltech
Featured Missions
-----------------
### Europa Clipper
Europa Clipper launched Oct. 14, 2024, to conduct a detailed investigation of Jupiter's moon Europa.
[Read More](https://science.nasa.gov/mission/europa-clipper/)
### Psyche
In August 2029, Psyche will arrive at a metal-rich asteroid with the same name.
[Read More](https://science.nasa.gov/mission/psyche/)
### NEO Surveyor
NEO Surveyor will hunt asteroids and comets that are potential hazards to Earth. Launch is no earlier than September 2027.
[Read More](https://science.nasa.gov/mission/neo-surveyor/)
### VERITAS
VERITAS and DAVINCI will be the first NASA spacecraft to explore Venus since the 1990s. VERITAS will launch no earlier than 2031.
[Read More](https://science.nasa.gov/mission/veritas/)
Features
--------
### 10 Things to Know About the Kuiper Belt
[Read More](https://science.nasa.gov/solar-system/kuiper-belt/10-things-to-know-about-the-kuiper-belt/)
### Citizen Science: Choose a Project, Do Science With NASA
[Read More](https://science.nasa.gov/citizen-science/)
### What's That Space Rock?
[Read More](https://science.nasa.gov/solar-system/10-things-whats-that-space-rock/)
### 10 Things: Our Solar System’s Most Marvelous Moons
[Read More](https://science.nasa.gov/solar-system/moons/10-things-about-our-solar-systems-most-marvelous-moons/)
Resources
---------
Explore curated collections of resources, including activities that can be done at home, as well as videos, animations, handouts, and online interactives.
### Asteroids and Comets
[Explore](https://science.nasa.gov/solar-system/resources/resource-packages/asteroid-and-comet-resources/)
### Lucy Mission
[Explore](https://science.nasa.gov/solar-system/resources/resource-packages/lucy-mission-resources/)
### OSIRIS-REx
[Explore](https://science.nasa.gov/solar-system/resources/resource-packages/osiris-rex-resources/)
### Ocean Worlds
[Explore](https://science.nasa.gov/solar-system/resources/resource-packages/ocean-worlds-resources/)
Follow Us on Social Media
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Keep Exploring
Discover More Topics
--------------------
[
Planets
](https://science.nasa.gov/solar-system/planets/)[
Moons
](https://science.nasa.gov/solar-system/moons/)[
Asteroids, Comets & Meteors
](https://science.nasa.gov/asteroids-comets-meteors/)[
Oort Cloud
](https://science.nasa.gov/solar-system/oort-cloud/)