
What Is Gravity? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · The answer is gravity: an invisible force that pulls objects toward each other. Earth's gravity is what keeps you on the ground and what makes things fall. An animation of …
Gravity | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · What Is Gravity? Gravity is the force by which a planet or other body draws objects toward its center. explore What Is a Black Hole? Space Place in a Snap tackles this …
What Is an Orbit? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · This statement is called Newton's first law of motion. Without gravity, an Earth-orbiting satellite would go off into space along a straight line. With gravity, it is pulled back …
Why Are Planets Round? | NASA Space Place – NASA Science for …
Jun 27, 2019 · Why Are Planets Round? The Short Answer: A planet is round because of gravity. A planet's gravity pulls equally from all sides. Gravity pulls from the center to the edges like the …
Is Time Travel Possible? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · Here's how: Einstein's theory also says that gravity curves space and time, causing the passage of time to slow down. High up where the satellites orbit, Earth's gravity is …
What Is a Satellite? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · A satellite orbits Earth when its speed is balanced by the pull of Earth's gravity. Without this balance, the satellite would fly in a straight line off into space or fall back to Earth.
All About the Sun | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · This spacecraft will help us learn more about how the Sun works and how solar activity starts. This helps us to be more prepared! More fun facts about the Sun! The Sun goes …
How Did the Solar System Form? - NASA Space Place
Aug 29, 2022 · Bits of this material clumped together because of gravity. Big objects collided with bigger objects, forming still bigger objects. Finally some of these objects became big enough …
What Is a Black Hole? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · What Is a Black Hole? The Short Answer: A black hole is an area of such immense gravity that nothing -- not even light -- can escape from it.
How Do We Launch Things Into Space? - NASA Space Place
Sep 25, 2025 · Satellites that orbit close to Earth feel a stronger tug of Earth’s gravity. To stay in orbit, they must travel faster than a satellite orbiting farther away. The International Space …