Tag Archives: planets

Which Planet Orbits our Sun the Fastest?

Question: Which planet in our solar system is orbiting the sun at the fastest speed?  — Mike Answer: Mercury is the winner at an orbital speed of about 47.87 km/s (107,082 miles per hour), which is a period of about … Continue reading

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Does the Coriolis Effect From the Milky Way Rotation Influence the Orbits of Planets in our Solar System?

Question: I read that our solar system orbits the center of the Milky Way Galaxy and am wondering if orbital direction of the planets was initially influenced by the Coriolis effect.  — Jack Answer: Two comments to your question.  First, … Continue reading

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Building a Pyramid on Io for Maximum Durability

Question: If I were to build a 146 meter tall pyramid on the surface of Io, what material(s) would you recommend I use for maximum durability with respect to the satellite’s terrain and climate?  — Evan Answer: I think that … Continue reading

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Did Our Solar System Originally Include a Fifth Gas Giant?

Question: Read an article that researchers at the University of Toronto believe that Jupiter in the solar system early days kicked a planet out of the solar system . Do you believe this could be the one? Many thanks  — … Continue reading

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Do Magnetars Have Solar Systems?

Question: Do magnetars have their own solar system, and do they attract iron rich asteroids? If so do their orbits have more of a magnetic attraction than a gravity one or both?  — Paul Answer: Magnetars are not known to … Continue reading

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Is the Motion of the Moon in the Sky Variable?

Question: Last night with the Super Moon/Eclipse the sky was clear and the moon (in the West?) seemed to move slowly,  if at all.  Tonight the moon was moving very fast (towards the East?) and seemed to be BELOW the … Continue reading

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Why is the New Horizons Spacecraft Slowing Down?

Question: Why is New Horizons slowing down? I check it on line every day and its speed is constant. Today its losing speed.  — Tom Answer: I don’t know of any specific reason as to why New Horizons would have … Continue reading

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Relationship Between Planetary Orbits and Sun Rotation

Question: I was wondering about the relation between the Sun’s own rotation relative to the planets orbit around the sun. Does it also rotate counterclockwise?  Do you have any information about that?  — Rasmus Answer: Yes, the Sun rotates in … Continue reading

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Does the Sun’s Rotation Speed Dictate the Orbital Speed of the Planets?

Question: Are the planets orbiting the sun at the same speed as the sun revolves on its axis? Or are some planets moving slower or faster than the sun spins, of course the position in the solar system dictates how … Continue reading

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How Can Gas Particles Stick Together to Ultimately Form Stars and Planets?

Question: There is a lot of acceptance that when the gases of the universe began to join and spin because of the impact of those collisions. That would mean that all particles hit in the same direction, like using your … Continue reading

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