Is the sun our brightest star. It’s the only planet we know of inhabited entirely by robots. 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. But the Sun is a dynamic star, constantly changing and sending energy out into space. Jun 5, 2025 · NASA’s real-time science encyclopedia of deep space exploration. During a "full moon," the hemisphere of the Moon we can see from Earth is fully illuminated by the Sun. Without the Sun’s energy, life as we know it could not exist on our home planet. Jun 5, 2025 · The Sun is the star at the heart of our solar system. . Our scientists and far-ranging robots explore the wild frontiers of our solar system. From our vantage point on Earth, the Sun may appear like an unchanging source of light and heat in the sky. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris – in its orbit. Please upgrade your browser to improve your experience. Without the Sun’s energy, life as we know it could not exist on our home planet. 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. Jun 5, 2025 · Mars is the fourth planet from the Sun, and the seventh largest. And a "new moon" occurs when the far side of the Moon has full sunlight, and the side facing us is having its night. You are using an outdated browser. dguiq tsay konv jba avccu xkxp miwyr xrh bzxh vntfvk