While results are promising, limitations include [issue]. Future work should explore [deep learning was just emerging; many 2013 papers still used handcrafted features].
At one point, there were concerns the comet might actually collide with the Red Planet. While it ultimately missed by about 140,000 kilometers, it passed close enough that NASA and ESA had to shield their orbiting spacecraft from high-speed comet dust. The event allowed the Curiosity and Opportunity rovers to look up from the Martian surface and capture images of a comet from another world—a first in human history. 3. C/2013 R1 (Lovejoy): The Reliable Performer c 2013
by 2 Chainz & Wiz Khalifa : Featured on the official soundtrack for Fast & Furious 6 [33]. While results are promising, limitations include [issue]
While hundreds of objects are cataloged every decade, 2013 was an extraordinary year for "dirty snowballs." It was the year we witnessed the "Comet of the Century" hype, a terrifying surprise over Russia, and a deep-space encounter with Mars. 1. C/2013 S1 (ISON): The Comet of the Century (That Wasn't) While it ultimately missed by about 140,000 kilometers,
Watching ISON's death provided unprecedented data on how solar radiation affects ancient ice. Conclusion
If you are looking for space objects, "C/2013" is a catalog identifier for comets discovered that year.