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NASA / Space Exploration Thread incl. Pluto-New Horizons
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ummechengr Offline
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Post: #21
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(04-29-2015 08:06 AM)VA49er Wrote:  
(04-29-2015 07:23 AM)vandiver49 Wrote:  NASA does all of their calculations in metric.

That's a good thing because...........

[Image: zzbI1sU.jpg]

Lol.
04-29-2015 08:15 AM
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ummechengr Offline
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Post: #22
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
Charon's much bigger than I would've expected.

Here's an animation of their orbit around each other:
[Image: Orbit2.gif]

Compared to, Earth-Moon:
[Image: Orbit3.gif]

And, Sun-Earth:
[Image: Orbit4.gif]
04-29-2015 08:20 AM
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ericsrevenge76 Away
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Post: #23
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(04-29-2015 08:20 AM)ummechengr Wrote:  Charon's much bigger than I would've expected.

Here's an animation of their orbit around each other:
[Image: Orbit2.gif]

Compared to, Earth-Moon:
[Image: Orbit3.gif]

And, Sun-Earth:
[Image: Orbit4.gif]


There was a time people thought Pluto was a moon from Neptune or even possible a twin planet.
04-29-2015 08:31 AM
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Lord Stanley Offline
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Post: #24
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
I hope they have pictures of Pluto in HD.
04-29-2015 08:37 AM
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UofMstateU Offline
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Post: #25
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
Pluto & Charon are more of a binary system, where the two revolve around a point outside of the body of Pluto. The Earth & Moon system are close to being binary as well. For the size of the Earth, the moon is absolutely huge.
04-29-2015 08:42 AM
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ericsrevenge76 Away
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Post: #26
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(04-29-2015 08:37 AM)Lord Stanley Wrote:  I hope they have pictures of Pluto in HD.

We will.
04-29-2015 08:46 AM
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UCF08 Offline
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Post: #27
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(04-29-2015 12:22 AM)ericsrevenge76 Wrote:  
(04-28-2015 11:45 PM)UCF08 Wrote:  Well, isnt pluto not really a planet? If thats the case id assume there are more objects of similar sizes out beyond it, yes? If not, the distinction doesnt matter and wouldnt have been made most likely.

Its a planet.

They have simply reclassified it as a ice dwarf planet.

The reason Pluto's classification was changed because its orbit is aligned with the Kuiper belt.

There are some other dwarf planets in the kuiper belt, and some are still waiting to be discovered.

I thought it was also redefined because of it's small size? I don't have anything to back that up though so I'll defer to you here.
04-29-2015 08:50 AM
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VA49er Offline
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Post: #28
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
A little humor never hurts.


[Image: funny-dear-nasa-big-enough-pluto-planet.jpg]
04-29-2015 08:51 AM
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ericsrevenge76 Away
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Post: #29
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(04-29-2015 08:50 AM)UCF08 Wrote:  
(04-29-2015 12:22 AM)ericsrevenge76 Wrote:  
(04-28-2015 11:45 PM)UCF08 Wrote:  Well, isnt pluto not really a planet? If thats the case id assume there are more objects of similar sizes out beyond it, yes? If not, the distinction doesnt matter and wouldnt have been made most likely.

Its a planet.

They have simply reclassified it as a ice dwarf planet.

The reason Pluto's classification was changed because its orbit is aligned with the Kuiper belt.

There are some other dwarf planets in the kuiper belt, and some are still waiting to be discovered.

I thought it was also redefined because of it's small size? I don't have anything to back that up though so I'll defer to you here.


No, its size is mostly meaningless.

All the other "major" planets are on the same plane of orbit around the sun. Their orbits are almost like the rings of Saturn from a side view. Perfectly aligned.

The Kuiper belt is on a completely different plane and orbit. Plutos orbit is even a bit off from the Kuiper belt. Its has a strange oval shape and its at an odd angle.
(This post was last modified: 04-29-2015 09:47 AM by ericsrevenge76.)
04-29-2015 08:58 AM
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Smaug Offline
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Post: #30
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
I'll be damned if I'll sit here and watch good Plutonians treated as second-class citizens.

Stop the hate.
04-29-2015 09:44 AM
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vandiver49 Offline
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Post: #31
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(04-29-2015 08:20 AM)ummechengr Wrote:  Charon's much bigger than I would've expected.

Here's an animation of their orbit around each other:
[Image: Orbit2.gif]

Compared to, Earth-Moon:
[Image: Orbit3.gif]

And, Sun-Earth:
[Image: Orbit4.gif]

I think the Earth-Moon one is a little exaggerated due to the fact that what the Moon has a greater effect on the water, which then tugs slightly at the planet.
04-29-2015 09:53 AM
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ericsrevenge76 Away
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Post: #32
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
New pics and details showing bright spots on Pluto, possible ice caps.

https://www.scientificamerican.com/artic...e-icy-cap/

The probe is now sending back higher resolution pics than Hubble.
(This post was last modified: 05-02-2015 01:04 PM by ericsrevenge76.)
05-02-2015 09:03 AM
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Fo Shizzle Offline
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Post: #33
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
cool.
05-02-2015 12:41 PM
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GoodOwl Offline
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Post: #34
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
Pluto-bound Spacecraft Bringing Dwarf Planet into Focus (Photos)

This is so cool. Reminds me of the Viking and Voyager missions!

[Image: Pluto-bound_Spacecraft_Bringing_Dwarf_Pl...e41fe94853]
05-28-2015 09:09 PM
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Fo Shizzle Offline
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Post: #35
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(05-28-2015 09:09 PM)GoodOwl Wrote:  Pluto-bound Spacecraft Bringing Dwarf Planet into Focus (Photos)

This is so cool. Reminds me of the Viking and Voyager missions!

[Image: Pluto-bound_Spacecraft_Bringing_Dwarf_Pl...e41fe94853]

amazing that thing has made it this far without destruction.
05-28-2015 09:15 PM
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UofMstateU Offline
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Post: #36
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(05-28-2015 09:09 PM)GoodOwl Wrote:  Pluto-bound Spacecraft Bringing Dwarf Planet into Focus (Photos)

This is so cool. Reminds me of the Viking and Voyager missions!

[Image: Pluto-bound_Spacecraft_Bringing_Dwarf_Pl...e41fe94853]

Showing this much detail at this distance is a good sign that we will see some really cool stuff.
05-28-2015 09:30 PM
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GoodOwl Offline
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Post: #37
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
Just think--this is the first time any humans have seen this planet this closely, and that blob is only going to get sharper and more detailed. This is an example of a government program that, while certainly not perfect, is a more worthy use of taxpayer funds than most of them. I wish we'd commit to putting an orbiting satellite around every planet in the solar system at this point. We can build them so small and relatively cheaply these days, it's a shame not to get this done.
05-28-2015 09:33 PM
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blah Offline
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Post: #38
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
Anyone know how long it takes for the images to get to Earth that it is transmitting?

I know light from the sun takes like 8.3 minutes to get here so if the images were traveling at light speed it would take about 7 hours.
05-28-2015 11:07 PM
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ericsrevenge76 Away
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Post: #39
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
I'm stoked other people are actually following this like I am. I've always felt very isolated being excited by these things, and I've been waiting with baited breath to see these pics for almost 35 years now (since I was about 6 years old).

I saw these pics about an hour after they were released and was thrilled to see others here posting them this fast.
05-29-2015 01:54 AM
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ericsrevenge76 Away
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Post: #40
RE: Pluto -NASA space mission flyby (and maybe to Kuiper Belt afterwards!)
(05-28-2015 09:33 PM)GoodOwl Wrote:  Just think--this is the first time any humans have seen this planet this closely, and that blob is only going to get sharper and more detailed. This is an example of a government program that, while certainly not perfect, is a more worthy use of taxpayer funds than most of them. I wish we'd commit to putting an orbiting satellite around every planet in the solar system at this point. We can build them so small and relatively cheaply these days, it's a shame not to get this done.


What an amazing time we are lucky enough to be born in.

And I fully agree that we should have probes orbiting every planet in our system ans we should have several floating around in the kuiper belt.

Its frustrating that its not already in the works.
05-29-2015 01:58 AM
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