Tag Archives: planets

Positions of the Planets on any Date

Question:  I am making a sculpture to offer to my dad with planets position at 4 of july of 1930, his day of birth. Can you help me and tell  where i can find it?  – Sérgio Answer:  There is … Continue reading

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What is an Astrogeologist?

Question:  I am a sophomore and I have been fascinated with anything about space for as long as I can remember. I’m am currently researching about the astronomy careers. I plan to be an astro geologist and I’m still not … Continue reading

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Is Kepler’s Second Law Wrong?

Question:  I am suspicious about Kepler’s area law.  Such law should not exist.  I am finding “the cycling velocity of the celestial body is constant and not the swept out area”.  How to prove that area 1/2*r*Vp=constant?  In addition I … Continue reading

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Why is the Earth’s Orbit Around the Sun Elliptical?

Question:  Why is the Earth’s revolution around the sun elliptical rather than a perfect circle? I feel like if there is the same amount of inertia and gravity acting on the Earth at all times, the revolution would end up … Continue reading

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Radio Frequency Recordings from the Planets

Question: Hello I am an experimental musician from Houston Texas. I have been searching for radio frequency recordings of the planets. Do you know if these exist? I have my mind set on attempting to compose a composition based on … Continue reading

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Solar Radiation Effects on Mars Astronauts

Question:  I have been watching a programme on the television about the preparations for a manned mission to Mars. As Mars has a very thin atmosphere the men who land on the planet will be subjected to “solar radiation”. How … Continue reading

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Can We Measure an Exoplanet’s Orbital Decay?

Question:  Is it possible for a planet of an established solar system orbiting a star to be in a decaying orbit and if so how do astronomers confirm this as the star and its solar system can be vast numbers … Continue reading

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Why do the Planets in our Solar System Orbit the Sun Counter-Clockwise?

Question: The planets in our solar system are orbiting the Sun counter clockwise, why? Do the laws of physics dictate that all planet orbit their respective stars counter clockwise or is it possible to have a solar system where the … Continue reading

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What Happens to the Planets When the Sun Becomes a Red Giant and White Dwarf?

Question: I’ve been watching a very interesting series of television programmes in which Professor Brian Cox has been delving into Astronomy. One programme focused on the life cycle of stars. I understand from the programme that as our Sun enters … Continue reading

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“Pulsating Star” in the Sky

Question:  Hi, I live in Baltimore, Md. and every morning around 4-5 o’clock I leave for work and I see this huge pulsating star. I checked on my star map app and it said it was M79 but how could … Continue reading

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