But the sun’s path around the Milky Way is much bigger. It takes about 250 million years for the sun to make a full orbit around the galaxy – even though the sun is traveling more than 500,000 ...

14. The Sun emits a continuous stream of plasma called the solar wind. On Earth, the most visible effect of the solar wind is ...

From orbiting the Sun to moving through the Milky Way, Earth’s motion is far more complex and faster than most people realize.Explore the Earth’s orbit around the Sun.

Massive stars like these are also key players in the cosmic drama of gravitational waves, the ripples in space-time first ...

The one in the middle of the Milky Way, called Sagittarius A*, is about 4 million times more massive than our sun and is relatively quiet, occasionally swallowing gas or dust that comes its way.

We live inside the Milky Way, yet most of us rarely stop to think about just how unusual it really […] ...

More information: Sergey Khoperskov et al, Rediscovering the Milky Way with orbit superposition approach and APOGEE data I. Method validation, arXiv (2024). DOI: 10.48550/arxiv.2411.15062 ...

The one in the middle of the Milky Way, called Sagittarius A (with an asterisk denoting star), is about 4 million times more massive than our sun and is relatively quiet, occasionally swallowing ...