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agent46

(1,262 posts)
Tue Jan 28, 2014, 08:02 PM Jan 2014

Countdown to Pluto

One of the fastest spacecraft ever built—NASA's New Horizons—is hurtling through the void at nearly one million miles per day. Launched in 2006, it has been in flight longer than some missions last, and it is nearing its destination: Pluto.

"The encounter begins next January," says Alan Stern, of the Southwest Research Institute and the mission's principal investigator. "We're less than a year away."

Closest approach is scheduled for July 2015 when New Horizons flies only 10,000 km from Pluto, but the spacecraft will be busy long before that date. The first step, in January 2015, is an intensive campaign of photography by the Long Range Reconnaissance Imager or "LORRI." This will help mission controllers pinpoint Pluto's location, which is uncertain by a few thousand kilometers.

"LORRI will photograph the planet against known background star fields," explains Stern. "We'll use the images to refine Pluto's distance from the spacecraft, and then fire the engines to make any necessary corrections."

http://phys.org/news/2014-01-countdown-pluto.html

8 replies = new reply since forum marked as read
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Countdown to Pluto (Original Post) agent46 Jan 2014 OP
Over 41,000 mph. longship Jan 2014 #1
I had read defacto7 Jan 2014 #2
Nifty. k&r for exposure. n/t Laelth Jan 2014 #3
one year left jakeXT Jan 2014 #4
That's gonna be like the coolest 6 hours or so, when it whizzes by. Warren DeMontague Jan 2014 #5
History in the making! lastlib Jan 2014 #6
2006? That poor spacecraft thinks Pluto is still a planet. Kablooie Jan 2014 #7
Surely NASA has given it the news by now..... lastlib Jan 2014 #8

longship

(40,416 posts)
1. Over 41,000 mph.
Tue Jan 28, 2014, 08:37 PM
Jan 2014

That thing is booking. Too bad it won't be orbiting Pluto. It's going just slide on by, out into the Kuiper belt, then eventually into the Oort Cloud.

R&K

defacto7

(13,485 posts)
2. I had read
Tue Jan 28, 2014, 08:45 PM
Jan 2014

one difficulty it may face is the possibility of a relatively dense ice field surrounding it which I would surmise could be one of the reasons it can't be resolved fine enough to pinpoint it's location. That would be another good reason for the LORRI as it would get as much data as possible before it gets close enough to encounter any objects in the "possible" ice field. In any case we are going to get some fantastic images and data.

lastlib

(23,216 posts)
6. History in the making!
Wed Jan 29, 2014, 12:16 AM
Jan 2014

I may be "sick" from work that day............ Can't miss!

Still vividly remember getting up in the middle of the night to see Voyager's first pictures of Uranus and Neptune. A great thrill to see for the first time what had never been seen before, and will not be seen again probably in our lifetimes.

Kablooie

(18,626 posts)
7. 2006? That poor spacecraft thinks Pluto is still a planet.
Wed Jan 29, 2014, 07:06 AM
Jan 2014

Boy won't it be surprised when it arrives and find that Pluto's just a dwarf planet.
Hee hee hee.

lastlib

(23,216 posts)
8. Surely NASA has given it the news by now.....
Thu Jan 30, 2014, 09:49 PM
Jan 2014

...but I hope the shock doesn't over-volt the cameras--I want to see those pics!

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