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 ...
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