Welcome to NASA's Eyes, a way for you to learn about your home planet, our solar system, the universe beyond and the spacecraft exploring them. The fleeting innermost planet is just visible here in the bright twilight, below and left of Venus and near the center of the frame. You’ve all probably heard about the International Astronomical Union (IAU) decision to define a planet — probably because it clarified that there is a big belt of icy objects out beyond the orbit of Neptune, and we now know that Pluto is one of thousands of them. The 10-year-plan will involve 37 launches of both NASA and private rockets, aiming for a human landing on the Moon again in 2024. Ride with the Curiosity Rover as it lands on Mars or fly by Pluto with the New Horizons spacecraft all from the comfort of your home computer. Moons — also known as natural satellites — orbit planets and asteroids. It also causes tides, creating a rhythm that has guided humans for thousands of years. Planets and asteroids in our solar system orbit the Sun. Our moon is the fifth largest of the 190+ moons orbiting planets in our solar system. Lunar scientist Barbara Cohen explains how our moon functions very much like a planet. Eyes on the Solar System lets you explore the planets, their moons, asteroids, comets and the spacecraft exploring them from 1950 to 2050. 55.4m Followers, 87 Following, 2,862 Posts - See Instagram photos and videos from NASA (@nasa) Most orbit the giant planets — with Saturn and Jupiter leading moon counts — but even smaller worlds like Pluto can have five moons in orbit.. Moons come in many shapes, sizes and types. NASA.gov brings you the latest images, videos and news from America's space agency. This page contains sufficient information and data to allow computation of approximate positions for the planets. Tomorrow's picture: extreme shrimp cocktails Planet Profiles. President Trump is requesting a 12 percent increase to NASA’s budget for next year to help ensure the agency sends humans back to the surface of the Moon by … There are more than 200 moons in our solar system. The Moon was likely formed after a Mars-sized body collided with Earth. The Mars Exploration Program studies Mars as a planetary system in order to understand the formation and early evolution of Mars as a planet, the history of geological processes that have shaped Mars through time, the potential for Mars to have hosted life, and the future exploration of Mars by humans. The Moon Trees - Trees planted from seeds taken to the Moon on the Apollo 14 mission; The Double Blue Moon of 1999 - and information on Blue Moons in general; Eclipse Information; USGS/PDS Map-a-Planet; Lunar Feature Names and Locations; Terrestrial Planet Mileage Guide; Moon Phase and Libration Page; Lunar Phases, Moon/Sun Rise/Set Times Find out what NASA knows about Earth's moon, how we've learned about it and what we're doing to send humans back there by 2024. Formulae are provided in a PDF document due to the inability of HTML to effectively format mathematical expressions.