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Sun of sharadar. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris – in its orbit. Our scientists and far-ranging robots explore the wild frontiers of our solar system. Jun 5, 2025 · Mars is the fourth planet from the Sun, and the seventh largest. Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids. . From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky. It’s the only planet we know of inhabited entirely by robots. Without the Sun’s energy, life as we know it could not exist on our home planet. Sep 3, 2025 · Jupiter Jupiter is the fifth planet from the Sun, and the largest in the solar system, by far — more than twice as massive as the other planets combined. 6 billion miles (12. But the Sun is a dynamic star, constantly changing and sending energy out into space. This corresponds to an orbital circumference around the Sun of about 7. Halley's orbit period is, on average, 76 Earth years. Overlapping the outer edge of the main part of the Kuiper Belt is a second region called the scattered disk, which continues outward to nearly 1,000 AU, with some bodies on orbits that go even farther beyond. 2 billion kilometers). The inner, main region of the Kuiper Belt ends around 50 AU from the Sun. Jun 5, 2025 · The Sun is the star at the heart of our solar system. Without the Sun’s energy, life as we know it could not exist on our home planet. And a "new moon" occurs when the far side of the Moon has full sunlight, and the side facing us is having its night. Jun 5, 2025 · Solar System Our Solar System Sun Kuiper Belt Oort Cloud Beyond Our Solar System Eclipses Jun 5, 2025 · NASA’s real-time science encyclopedia of deep space exploration. The period varies from appearance to appearance because of the gravitational effects of the planets. During a "full moon," the hemisphere of the Moon we can see from Earth is fully illuminated by the Sun. 708f grvf ar8mlbl xz sh7m zk geubiq 8in0uk4x rw3zq imt2rc