nasa solar system exploration overview
50 Years of Solar System Exploration
In its first 50 years of planetary exploration, NASA sent spacecraft to fly by, orbit, land on, or rove on every planet in our solar system, as well as Earth''s Moon and several moons of other planets. Pluto, reclassified as a dwarf planet in 2006, was visited by the New Horizons spacecraft in 2015. What began as an endeavor of two nations ...
Asteroids: Exploration
NASA''s Galileo mission was the first spacecraft to fly past an asteroid. It flew past asteroid Gaspara in 1991 and Ida in 1993. NASA''s Near-Earth Asteroid Rendezvous (NEAR-Shoemaker) mission studied asteroids Mathilde, and Eros.; The European Space Agency''s Rosetta mission to comet 67P/Churyumov-Gerasimenko also flew by asteroid (2867) …
Neptune
Planet Neptune Overview. Dark, cold and whipped by supersonic winds, giant Neptune is the eighth and most distant major planet orbiting our Sun. More than 30 times as far from the Sun as Earth, Neptune is not visible to the naked eye. In 2011, Neptune completed its first 165-year orbit since its discovery. The planet''s rich blue color comes ...
Sun
The Sun''s gravity holds the solar system together, keeping everything – from the biggest planets to the smallest particles of debris – in its orbit. The connection and interactions between the Sun and Earth drive the seasons, ocean currents, weather, climate, radiation belts and auroras. Though it is special to us, there are billions of ...
Update: NASA Extends Exploration for 8 Planetary Science …
Following a thorough evaluation, NASA has extended the planetary science missions of eight of its spacecraft due to their scientific productivity and potential to deepen our knowledge and understanding of the solar system and beyond. The missions – Mars Odyssey, Mars Reconnaissance Orbiter, MAVEN, Mars Science Laboratory …
About Us – NASA Solar System Exploration
Launched in October 1998, the Solar System Exploration website is a real-time, living encyclopedia of the robotic exploration of our solar system. We provide the public with reliable, accurate, up-to-date information about the planets, moons, asteroids, comets and everything else in our solar system. We also provide a complete historical …
Overview | Galileo – NASA Solar System Exploration
Introduction. Galileo orbited Jupiter for almost eight years, and made close passes by all its major moons. Its camera and nine other instruments sent back reports that allowed scientists to determine, among other things, that Jupiter''s icy moon Europa probably has a subsurface ocean with more water than the total amount found on Earth.
Overview | VERITAS Tabs – NASA Solar System Exploration
The first U.S. mission to Venus in more than three decades, VERITAS will study Earth''s sister planet from crust to core. VERITAS is the next mission in NASA''s Discovery Program of smaller, focused missions to explore the solar system, following Lucy (launched in 2021) and Psyche (launched in 2022). VERITAS is an acronym for "Venus …
Lunar Discovery and Exploration
Overview To achieve an innovative and sustainable program of scientific and human exploration with commercial and international partners, NASA established the Lunar Discovery and Exploration Program (LDEP) within the Science Mission Directorate. The LDEP portfolio includes the establishment of commercial contracts for lunar landing …
Solar System Exploration
The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.3 million asteroids, and about 3,900 comets. It is located in an outer spiral arm of the Milky Way galaxy called the Orion Arm, or Orion Spur. Our solar system orbits the center of the galaxy at about 515,000 mph (828,000 kph).
Earth
NASA studies our own planet more than any other. We operate 26 missions in orbit and sponsor hundreds of research programs and studies each year. We observe our planet''s oceans, land, ice, and atmosphere, and measure how a change in one drives change in others. We develop new ways to observe and study Earth''s interconnected systems and …
Solar System Exploration
NASA Announces New System to Aid Disaster Response. article 3 days ago. 2 min read. ... Solar System Exploration. Back to search page Audience. Educators, Students. Grade Levels. Grades K-4, Grades 5-8, Grades 9-12, Higher Education, Informal Education. Subject. Space Science, Solar System and Planets, Astronomy, Robotic …
Cassini-Huygens
For more than a decade, NASA''s Cassini spacecraft shared the wonders of Saturn, its spectacular rings, and its family of icy moons. Cassini was a sophisticated robotic spacecraft sent to study Saturn and its complex system of rings and moons in unprecedented detail. It was one of the most ambitious efforts ever mounted in planetary …
Io
Moon Io Overview Jupiter''s moon Io is the most volcanically active world in the solar system, with hundreds of volcanoes, some erupting lava fountains dozens of miles (or kilometers) high. Io is caught in a tug-of-war between Jupiter''s massive gravity and the smaller but precisely timed pulls from two neighboring moons that orbit farther from […]
In Depth | Our Solar System – NASA Solar System Exploration
An overview of our local neighborhood in the Orion arm of the Milky Way galaxy. ... Two NASA spacecraft launched in 1977 have crossed the termination shock: Voyager 1 in 2004 and Voyager 2 in 2007. ... Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the ...
Universe
How NASA''s Roman Mission Will Hunt for Primordial Black Holes. Astronomers have discovered black holes ranging from a few times the Sun''s mass to tens of billions. Now a group of scientists has predicted that NASA''s Nancy Grace Roman Space Telescope could find a class of "featherweight" black holes that has so far eluded detection.
Bennu
Overview. Bennu is a carbon-rich asteroid that is about one-third of a mile (half a kilometer) wide at its equator. An ancient relic of our solar system''s early days, asteroid Bennu has seen more than 4.5 billion years of history. Scientists think that within 10 million years of our solar system''s formation, Bennu''s present-day ...
Europa
Europa is the fourth largest of Jupiter''s 95 moons. It''s the sixth-closest moon to the planet. Europa and Jupiter''s three other largest moons – Io, Ganymede, and Callisto – were the first moons discovered beyond Earth. They are called the Galilean moons after Italian astronomer Galileo Galilei, who first observed them with a homemade ...
About | Science Goals – NASA Solar System Exploration
The program will achieve long-standing scientific goals with a suite of new missions across the solar system. It will provide fundamental new scientific knowledge, engage a broad segment of the planetary science community, and have wide appeal for the general public whose support enables the program. The 2013 Decadal Survey provides …
Overview | Asteroids, Comets & Meteors
Overview. Don''t let the name fool you. Our solar system''s small bodies – asteroids, comets, and meteors – pack big surprises. These chunks of rock, ice, and metal are leftovers from the formation of our solar system 4.6 billion years ago. They are a lot like a fossil record of our early solar system. There are currently known asteroids ...
Saturn
The farthest planet from Earth discovered by the unaided human eye, Saturn has been known since ancient times. The planet is named for the Roman god of agriculture and wealth, who was also the father of Jupiter. NASA''s Eyes is a real-time visualization of our solar system powered by actual planetary science data.
What is a Planet? | Planets – NASA Solar System Exploration
Introduction. This seemingly simple question doesn''t have a simple answer. Everyone knows that Earth, Mars and Jupiter are planets. But both Pluto and Ceres were once considered planets until new discoveries triggered scientific debate about how to best describe them—a vigorous debate that continues to this day. The most recent definition of a planet was …
Jupiter
It''s the largest planet in our solar system. If Jupiter was a hollow shell, 1,000 Earths could fit inside. Jupiter also is the oldest planet, forming from the dust and gases left over from the Sun''s formation 4.5 billion years ago. But it has the shortest day in the solar system, taking only 10.5 hours to spin around once on its axis.
Sun: Exploration
Sun Overview; Facts; Exploration; Eclipses; Helio Big Year; NASA HEAT; Stories; Gallery; Our Solar System ... Voyager 2 set a course to exit our solar system, reaching interstellar space on Dec. 10, 2018, as a speedy, silent messenger from Earth. ... and NASA, Solar Orbiter is a Sun-observing satellite with 10 science instruments, all designed ...
Moon
Overview. Earth''s Moon is the brightest and largest object in our night sky. The Moon makes Earth a more livable planet by moderating our home planet''s wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years. The Moon was likely formed after a Mars-sized ...
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