![A comet with a tail streaking through space with small, orange Mars in the backgrounda along with many stars.](https://science.nasa.gov/wp-content/uploads/2014/10/siding-spring-with-mars-e1698184203790.jpg?w=4096&format=jpeg)
Comet Siding Spring and Mars
A unique composite image of comet Siding Spring as it made its never-before-seen close passage of a comet by Mars.
Credits: NASA, ESA, PSI, JHU/APL, STScI/AURA
Image CreditNASA, ESA, PSI, JHU/APL, STScI/AURA
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