Wednesday, December 11, 2013

Behemoths of the Universe: Hypergiant Stars

We’ve told you about all about VY Canis Majoris, the most sizable star in the known universe. Lurking in the cosmos some 4,900 light-years from earth (about 28.8 quadrillion miles from our home), Canis Majoris is a mammoth without compare. If this star were in the center of our solar system, it would extend far beyond the orbit of Saturn (so let’s be glad that it’s a few quadrillion miles away).

To give you some hard figures, the circumference of our Sun is approximate 2.7 million miles (4.3 million km), while Canis Majoris is approximately 1.9 billion miles (3 billion km). This means that, when circling around the sun, light clocks in at about 14.58 seconds. However, it takes almost 8 hours for photons to travel around Canis Majoris.

Learn about the biggest known stars at:

Image via NASA/wikimedia

No comments:

Post a Comment