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KNOW THE TRUTH BEHIND THE MILKYWAY:STUDENTS CORNER[தமிழில்]HD

2,998 views · Published 29 June 2017 · 3:04 · Indexed 5 October 2026

Channel: STUDENTS CORNER · 2017 · Science & Technology

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YES,
The Milky Way Galaxy is most significant to humans because it is home sweet home. But when it comes down to it, our galaxy is a typical barred spiral, much like billions of other galaxies in the universe. Let's take a look at the Milky Way.
"The sun's location within the dust-obscured galactic disk is a complicating factor to observe the galactic structure," Denilso Camargo, of the Federal University of Rio Grande do Sul in Brazil, said in a statement.

The Milky Way is a barred spiral galaxy, about 100,000 light-years across. If you could look down on it from the top, you would see a central bulge surrounded by four large spiral arms that wrap around it. Spiral galaxies make up about two-third of the galaxies in the universe. [Infographic: Our Milky Way Galaxy: A Traveler's Guide]

Unlike a regular spiral, a barred spiral contains a bar across its center region, and has two major arms. The Milky Way also contains two significant minor arms, as well as two smaller spurs. One of the spurs, known as the Orion Arm, contains the sun and the solar system. The Orion arm is located between two major arms, Perseus and Sagittarius.

The Milky Way does not sit still, but is constantly rotating. As such, the arms are moving through space. The sun and the solar system travel with them. The solar system travels at an average speed of 515,000 mph (828,000 km/h). Even at this rapid speed, the solar system would take about 230 million years to travel all the way around the Milky Way.TAMIL.
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