Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.
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3I/Atlas makes history with the highest orbital eccentricity ever recorded: Here’s what it means for science
The interstellar object 3I/Atlas has left astronomers amazed after data revealed it follows the most stretched and unusual orbit ever measured ...
Prepare to look up and reconsider everything you thought you knew about these cosmic wanderers. Comet 3I/ATLAS has shattered ...
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