Category Archives: Solar System

What if the Sun did not turn into a Red Giant and the Moon moved out of its Orbit Around the Earth?

Question: What effects would we see on Earth if the Sun wouldn’t turn into a Red Giant? If the Moon would move away slowly until extracted from its orbit, would that, for example, affect Earth’s axis?  – Walle Answer: If … Continue reading

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Do Large Stars Possess Correspondingly Large Planets?

Question: If VY Canis Majoris has a Solar System, would the planets be star-sized and the moons planet sized?  – Monte Answer: With a mass of about 30 times that of our Sun, VY Canis Majoris is one of the … Continue reading

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Equation for Orbits?

Question: Why does the following equation seem to predict stable orbits around the sun as well as for moons around planets without any involvement of balancing centripetal and gravitational forces. The following is the equation that in my investigation seems … Continue reading

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Location of a List of Solar System Objects and Their Naming Conventions?

Question: Simple question.  What is the website address that I may gain access to the recorded bodies and there naming conventions?  — Chuck Answer: The International Astronomical Union (IAU) maintains a web site which contains all of the information regarding … Continue reading

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Star and Planet Sky Location Information

Question: Could you generate an image of the planetary alignment on September 26th,  2014?  – Branden Answer: I think that you are probably looking for night sky planet positions for a given date.  One of the best sources for this … Continue reading

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Possibility of a Settlement on Deimos and Water on Mars

Question: What is the possibility of an orbital settlement around Deimos as it would have access to the minerals of both the moon itself and the supposed water supply of Mars?  – Colin Answer: Well, settlements on other planets or … Continue reading

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Why isn’t the Precession of the Lunar Nodes Uniform with Time?

Question: I am an amateur naked eye astronomer.  I teach astronomy to 6th graders, I read a lot on the subject, and I do a lot of experiments and observations to better understand the movements of the sun, moon, etc. … Continue reading

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What is the Cause of the Great Red Spot on Jupiter?

Question:  What is the giant red spot on jupiter caused by?  – Abe Answer: The “Great Red Spot” on Jupiter is a persistent anti-cyclonic storm in Jupiter’s atmosphere, similar to hurricanes on Earth.  It is enormous; about 3 Earth diameters … Continue reading

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Do the Planets Have a Physical Effect on the Sun?

Question:  We know that our sun has a profound impact on all planets in our solar system. But, does planets have any effect on our sun?  – Vinod Answer:  Just as the Sun exerts a gravitational pull on the planets, … Continue reading

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Why Do the Planets Orbit in a Plane Parallel to the Spin Axis of the Sun?

Question:  Are orbits in our solar system really moving sideways around the sun instead of up and down around the sun? It’s a perspective/gravity/free-falling thing that’s hard for me to understand sideways.  – Jay Answer:  First, let me answer a … Continue reading

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