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Our Sun is a 4.5 billion-year-old yellow dwarf star – a hot glowing ball of hydrogen and helium – at the center of our solar system. It’s about 93 million miles (150 million kilometers) from Earth and it’s our solar system’s only star.
- What Is the Sun’s Role in Climate Change? - Science@NASA
The Sun powers life on Earth; it helps keep the planet warm...
- Sun - NASA Science
The Sun's gravity holds the solar system together, keeping...
- What Is the Sun’s Role in Climate Change? - Science@NASA
2 de feb. de 2024 · The sun has extremely important influences on our planet: It drives weather, ocean currents, seasons, and climate, and makes plant life possible through photosynthesis. The sun is an ordinary star, one of about 100 billion in our galaxy, the Milky Way.
6 de sept. de 2019 · The Sun powers life on Earth; it helps keep the planet warm enough for us to survive. It also influences Earth’s climate: We know subtle changes in Earth’s orbit around the Sun are responsible for the comings and goings of the past ice ages.
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.
15 de sept. de 2018 · On Earth, the sun can take on warmer hues, especially at sunrise or sunset, because our planet's atmosphere scatters blue and green light the most. From our perspective, “dwarf” might not be...
12 de sept. de 2023 · Our planet is spinning like a top every 25,700 years, with Earth's axis of rotation drawing a lazy circle in the sky. This changes which hemisphere gets more sun.
19 de oct. de 2023 · The sun is the closest star to Earth. Even at a distance of 150 million kilometers (93 million miles), its gravitational pull holds the planet in orbit. It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow.
