The Sun’s Vast Orbit
Our Sun orbits the Milky Way's center, taking about 225-250 million years to complete a revolution. This journey, at an astounding speed of 828,000 km/h, occurs within the galactic habitable zone, sustaining life's potential on Earth.
Misconceptions of Movement
The Sun isn't stationary; it moves relative to other stars. As Earth orbits the Sun, it appears like the Sun travels across the sky, but in reality, both bodies are in constant motion through space.
Solar Position Changes
The Sun’s position in space is not fixed. It follows a path determined by the Milky Way's gravitational forces and dark matter distribution, impacting its long-term trajectory through the galaxy.
Sun's Galactic Role
The Sun is one of over 100 billion stars in the Milky Way, positioned in the Orion Arm. Despite being an average-sized star, it plays a crucial role in Earth’s climate and life cycles.
Mysterious Solar Journey
Scientists study the Sun’s motion to understand galactic dynamics. Its path is influenced by the galaxy's mass distribution, which includes other stars, gas clouds, and the elusive dark matter.
Sun’s Future Trajectory
In billions of years, the Sun will have circled the Milky Way multiple times. Its path could change due to close encounters with other stars or the dynamic evolution of the galaxy itself.
Sun-Earth Connection
The Sun’s position relative to Earth defines our seasons, day length, and climate patterns. Although 149.6 million kilometers away, its precise location is crucial for sustaining terrestrial life.
How long is Sun's galactic orbit?
100 million years
225-250 million years
500 million years
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