How big is the Sun?

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Jaco du Preez

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How big is the Sun?
« on: 18/07/2008 10:05:00 »
Jaco du Preez asked the Naked Scientists:

How big is the sun?

What do you think?

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Offline DoctorBeaver

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How big is the Sun?
« Reply #1 on: 18/07/2008 12:16:00 »
The Sun is approximately 865,000 miles in diameter. You could fit 1,300,000 Earths inside it. However, the Sun is composed mainly of hydrogen, which means it is much less dense than the Earth. So, despite being 1.3 million times the volume, it has only 300,000 times the mass of the Earth.

Even though the Sun is so much less dense, it still contains 99.8% of all the mass in Solar System.

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Offline Madidus_Scientia

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How big is the Sun?
« Reply #2 on: 18/07/2008 13:12:59 »
Here's a thread related to your question which you may be interested in:
http://www.thenakedscientists.com/forum/index.php?topic=15182.0