Recent content by Phoenix59

Well, Jupiter would be a sphere but the force of its rotation causes the oblateness. That's going to be true of any rotating sphere, even a relatively solid one such as the earth.

I agree that 650 AU is a rather extreme distance for a planet to have formed. Is there a strong reason to believe that this is not a binary system, perhaps with the companion being a brown dwarf?

In the day when the original designations were made to label the brightest stars (Alpha, Beta, Gamma, etc.) Alcor was not separately labeled, because even though it had been known to be a double star for hundreds of years -- the Native Americans used to use it as a test of vision, and the Arabs...

Would you say it's possible that another reason for the lack of impact craters on Titan might be Saturn's mass pulling meteors and asteroids into its gravity well? I suppose that effect would be even more pronounced with Jupiter if this were the case.

Trillions? How do you figure that? The entire cosmos is only 13-14 billion years old at this point. What are these Methuselah stars?