Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Web Extras

Talking to spacecraft

Hear about the state of the art from the program manager of NASA's Deep Space Network and the Spitzer Space Telescope's mission manager.
By Francis Reddy
Published: March 19, 2008
"Inside NASA's Deep Space Network" gave me an opportunity to delve into an aspect of space exploration I had always wondered about. We tend to focus on the results — the fabulous Cassini images from Saturn, Voyager 1's "taste" of plasma in the far solar system — rather than the process of acquiring them. But if you can't receive the data, there's little point in launching pricey space probes.
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