Tag Archives: celestial events

When Does the Earth’s Prime Meridian Line Up With the Celestial Meridian?

Question: On what date and time to the nearest second (in the past) has earths prime meridian directly lined up and faced the “celestial meridian” and I am talking about using the “equatorial coordinate system” Definition for “Celestial Meridian” which … Continue reading

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What Are Those Two Bright Lights on the Western Horizon?

Question: On July 15, 2015, observing from Las Vegas, Nevada, there are 2 objects (Low) in the Western sky. One is bright the other dim. Are they Venus and Jupiter?  – George Answer: Yes!  Venus, the brighter of the two, … Continue reading

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Why Do Stars Appear to Move in the Night Sky?

Question: Why do the stars in the sky appear to orbit? – Ariana Answer: I think that you are asking why stars appear to move through the night sky from east to west in tracks that appear to be centered … 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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Night Sky Movement Simulator

Question:  Would you recommend a particular method of study to simply gain an understanding and anticipation of the hourly and seasonal movement and changes of the night sky?  – Lou Answer:  I would recommend a free program called Stellarium.  This … Continue reading

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Bright Spots Near the Sun?

Question:  I took several pictures of a strange sight. It is what looked like a small sun beside the sun at sunset. I will try to post a picture. Any ideas?  It was taken at sunset, July 12,2014.  – Kathy … Continue reading

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Star Gazer Lives On

Hi Folks, Through a very interesting article in the latest edition of Astronomy Beat, produced by my colleagues at the Astronomical Society of the Pacific (ASP), I was re-introduced to a wonderful little PBS-produced television show called “Star Gazers”.  These … Continue reading

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Size and Location of the Ecliptic in 600 BC

Question:  Dear Jeff, I am researching a point about the Ecliptic. a) if you could ‘draw’ the actual ecliptic on the earth’s surface, what would be its maximum width ? b)In 600BC at what place approx. on the North coast … Continue reading

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Some Celestial Events for 2013

Question:  Regardless of Time and Time Zones, what location (coordinates) on Earth will be first in January 2013 to experience the following: In the evening the Sun sets in the west before the “visibly” Full Moon rises in the east–Might … Continue reading

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Significant Astronomical Events in the Future

Question: What is the next significant astronomical event to occur within the next 10 years?    – James Answer: Well, there are in fact many significant astronomical events each year, but this depends upon your definition of “significant”.  For a listing … Continue reading

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