What Did Hubble See on Your Birthday? What Did Hubble See on Your Birthday? play What Did Hubble See on Your Birthday? What Did Hubble See on Your Birthday? Name That Nebula Name that nebula! play Name That Nebula Name that nebula! What Is the James Webb Space Telescope? The James Webb Space Telescope is the largest, most powerful space telescope ever built. explore What Is the James Webb Space Telescope? The James Webb Space Telescope is the largest, most powerful space telescope ever built. NASA Activity Books Become a NASA Space Place Explorer with these printable activity books. do NASA Activity Books Become a NASA Space Place Explorer with these printable activity books. Color Your Universe: Find the Hidden Objects Can you find all the NASA and space-themed hidden objects? play Color Your Universe: Find the Hidden Objects Can you find all the NASA and space-themed hidden objects? What Are Constellations? Learn more about what these groups of stars can (and can’t) tell us about our place in the universe. explore What Are Constellations? Learn more about what these groups of stars can (and can’t) tell us about our place in the universe. How Scary Is Space? Check out these nine unearthly nightmares that could be happening right now in our own galaxy. Eek! explore How Scary Is Space? Check out these nine unearthly nightmares that could be happening right now in our own galaxy. Eek! Is Time Travel Possible? Airplanes and satellites can experience changes in time! Read on to find out more. explore Is Time Travel Possible? Airplanes and satellites can experience changes in time! Read on to find out more. What Powers a Spacecraft? It all depends on what the spacecraft will do! Read on to learn more. explore What Powers a Spacecraft? It all depends on what the spacecraft will do! Read on to learn more. What Is a Transit? A transit is when one object in space crosses in front of another object in space. The Moon transits the Sun during an eclipse, but did you know that other objects can transit, too? Learn more in this article. What Is a Transit? A transit is when one object in space crosses in front of another object in space. The Moon transits the Sun during an eclipse, but did you know that other objects can transit, too? Learn more in this article. How Old Are Galaxies? Most galaxies formed more than 10 billion years ago! Learn about how we find the age of galaxies using light. How Old Are Galaxies? Most galaxies formed more than 10 billion years ago! Learn about how we find the age of galaxies using light. What Is a Light-Year? A light-year is the distance light travels in one Earth year. Learn about how we use light-years to measure the distance of objects in space. explore What Is a Light-Year? A light-year is the distance light travels in one Earth year. Learn about how we use light-years to measure the distance of objects in space. What Is a Nebula? A nebula is a cloud of dust and gas in space. What Is a Nebula? A nebula is a cloud of dust and gas in space. How Many Solar Systems Are in Our Galaxy? Astronomers have discovered 2,500 so far, but there are likely to be many more! explore How Many Solar Systems Are in Our Galaxy? Astronomers have discovered 2,500 so far, but there are likely to be many more! What Is a Supernova? Learn more about these exploding stars! explore What Is a Supernova? Learn more about these exploding stars! What Is a Gravitational Wave? How do gravitational waves give us a new way to learn about the universe? explore What Is a Gravitational Wave? How do gravitational waves give us a new way to learn about the universe? What Is an Exoplanet? What is an exoplanet? And how do we know they're out there? explore What Is an Exoplanet? What is an exoplanet? And how do we know they're out there? Searching for Other Planets Like Ours Exoplanets are far away and hard to see. How do we look for them? explore Searching for Other Planets Like Ours Exoplanets are far away and hard to see. How do we look for them? Types of Galaxies Explore the different types of galaxies! explore Types of Galaxies Explore the different types of galaxies! What Is a Barycenter? And how does it help us find new planets? explore What Is a Barycenter? And how does it help us find new planets? Make Stretchy Universe Slime! Make the universe stretch and expand! do Make Stretchy Universe Slime! Make the universe stretch and expand! Make a Pinwheel Galaxy Pinwheel A galaxy in the palm of your hand do Make a Pinwheel Galaxy Pinwheel A galaxy in the palm of your hand What Is Dark Matter? and dark energy, too! explore

What Is Dark Matter? and dark energy, too! What Is a Galaxy? How many are there? explore What Is a Galaxy? How many are there? What Is the Big Bang? Why do we call it that? explore What Is the Big Bang? Why do we call it that? Where Does Interstellar Space Begin? Interstellar space begins where the sun’s magnetic field stops affecting its surroundings. explore Where Does Interstellar Space Begin? Interstellar space begins where the sun’s magnetic field stops affecting its surroundings. What Is a Satellite Galaxy? What are they and what will become of them? explore What Is a Satellite Galaxy? What are they and what will become of them? Build your own spacecraft! Become a NASA engineer! do Build your own spacecraft! Become a NASA engineer! A Planet Without a Sun? Astronomers may have found a planet without a sun! explore A Planet Without a Sun? Astronomers may have found a planet without a sun! What Is a Black Hole? Space Place in a Snap tackles this fascinating question! explore What Is a Black Hole? Space Place in a Snap tackles this fascinating question! What Is a Planet? The answer isn't so simple... explore What Is a Planet? The answer isn't so simple... Make a Galactic Mobile Let the beauty of the galaxies shine in your room. do Make a Galactic Mobile Let the beauty of the galaxies shine in your room. Write your own zany adventure story! Write your own zany adventure story! play Write your own zany adventure story! Write your own zany adventure story! Gallery of NASA Universe Images Galaxies, nebulae, and supernova remnants to view or print. explore Gallery of NASA Universe Images Galaxies, nebulae, and supernova remnants to view or print. What Is Gravity? Gravity is the force by which a planet or other body draws objects toward its center. explore What Is Gravity? Gravity is the force by which a planet or other body draws objects toward its center. NASA Pumpkin Stencils Paint pumpkins with space and Earth science designs do NASA Pumpkin Stencils Paint pumpkins with space and Earth science designs Printable Space Valentines Share these with your friends and family! do Printable Space Valentines Share these with your friends and family! Explore the Electromagnetic Spectrum The windows show the Universe in all its colors. explore Explore the Electromagnetic Spectrum The windows show the Universe in all its colors. Make colorful star cookies! Find out why stars aren't all the same color. do Make colorful star cookies! Find out why stars aren't all the same color. A real shooting star! Is Mira the zippiest star in the galaxy? explore A real shooting star! Is Mira the zippiest star in the galaxy? Build a physics machine! And learn about conservation of oomph! do Build a physics machine! And learn about conservation of oomph! Make a Galaxy Montage Make a colorful work of galactic art. do Make a Galaxy Montage Make a colorful work of galactic art. Roman Space Observer Catch as many astrophysical objects and phenomena as possible in this game! This link takes you away from NASA Space Place. play Links out Roman Space Observer Catch as many astrophysical objects and phenomena as possible in this game! This link takes you away from NASA Space Place. Build a model spacecraft to explore the universe! Paper models of the great space observatories and explorers of the universe. This link takes you away from NASA Space Place. print Links out Build a model spacecraft to explore the universe! Paper models of the great space observatories and explorers of the universe. This link takes you away from NASA Space Place. StarChild A learning center for young astronomers. This link takes you away from NASA Space Place. Links out A learning center for young astronomers. This link takes you away from NASA Space Place.