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Forum » SpaceEngine » Science and Astronomy Discussions » Pluto-Charon system
Pluto-Charon system
spacerDate: Saturday, 30.04.2016, 13:52 | Message # 166
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nasa released new black and white pluto global map:


the blurry spots i guess is the areas we couldnt take photos? or dont have any data?





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Edited by spacer - Saturday, 30.04.2016, 13:53
 
WatsisnameDate: Saturday, 30.04.2016, 23:35 | Message # 167
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Blurry spots are regions that were captured from greater distances. Pluto rotates once in about 6 Earth days, so during New Horizon's approach we could watch as different parts of the world rotated into view. Thus we can build a whole map the surface (except the parts currently in polar night -- thus the dark region). However, the resolution depends on distance, which changes tremendously over 6 days. So this is like scanning Pluto from East to West, with increasing resolution that peaks at the moment of flyby.

The only way to get a uniform high-resolution mapping of a world is to go into orbit of it, but we didn't have that luxury with New Horizons. We wanted to get there fast, which contradicts staying there long. smile





 
steeljaw354Date: Sunday, 01.05.2016, 00:24 | Message # 168
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If it were up to me I would have used Cerberus and Crios. Vulcan doesn't make sense because it represents heat and fire and pluto is an ice cold planet and so are it's moons.

Edited by steeljaw354 - Sunday, 01.05.2016, 00:30
 
MosfetDate: Friday, 03.06.2016, 23:54 | Message # 169
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More images of possible clouds and a spectacular atmosphere released:
http://www.space.com/33066-g....ud.html





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steeljaw354Date: Saturday, 04.06.2016, 00:22 | Message # 170
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It's more planet like than most have thought. Most expected a boring cratered dead world like ceres or mercury, thats not what we have seen, just because pluto's orbit isn't clear that doesn't mean it doesn't have planet like traits, planet enough for me. New images
Attachments: 0840096.jpg(257Kb) · 0667329.jpeg(51Kb)


Edited by steeljaw354 - Saturday, 04.06.2016, 00:23
 
spacerDate: Saturday, 04.06.2016, 04:02 | Message # 171
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so lets declare all big kepler ojects as planets then we have like 20 planets in the solar system...
i think dwarf planets is great type for little round bodies





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-space engine photographer
 
JackDoleDate: Saturday, 04.06.2016, 08:16 | Message # 172
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The term planet means something like wanderer, and in ancient times all the objects were so called, who are wandering across the sky.

So I think only the planets that were known in ancient times, should be called planets: Sun, Moon, Mars, Mercury, Jupiter, Venus!

All other would then be 'dwarf planets' because they are so small that they can not seen! biggrin





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WatsisnameDate: Saturday, 04.06.2016, 08:36 | Message # 173
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JackDole wins. An awards ceremony will be held in the Defining Planethood Thread. Planet-themed cakes will be served along with posters of dissenting opinions.

(No, seriously, use that thread if you're still going to discuss how to define a planet.) wink





 
WatsisnameDate: Tuesday, 07.06.2016, 05:12 | Message # 174
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OK, discussion moved.




 
steeljaw354Date: Wednesday, 22.06.2016, 16:30 | Message # 175
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Scientists have just discovered that Pluto has a subsurface ocean, http://gizmodo.com/it-look....2418191

Pluto is stranger and weirder than most have thought.


Edited by steeljaw354 - Wednesday, 22.06.2016, 16:40
 
spacerDate: Wednesday, 22.06.2016, 17:10 | Message # 176
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nothing from nasa etc
liquid? by how?
the other moons in the solar system have subsurface liquid oceans because of the strong tidal forces between them and thier parents (jupiter, saturn) but pluto? not only its more far from the sun but has no strong tidal forces.

but maybe it is possible. and someone will correct me





"we began as wanderers, and we are wanderers still"
-carl sagan

-space engine photographer


Edited by spacer - Wednesday, 22.06.2016, 17:18
 
steeljaw354Date: Wednesday, 22.06.2016, 17:18 | Message # 177
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Well they said that the surface of Pluto is newer and is smooth, could only be icy volcanoes or an ocean.
 
WindWpnDate: Wednesday, 22.06.2016, 17:26 | Message # 178
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I believe they noted the heat may be generated by radioactive decay of elements in Pluto's core. Speculative, but possible.




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Edited by WindWpn - Wednesday, 22.06.2016, 17:27
 
HornblowerDate: Wednesday, 22.06.2016, 19:06 | Message # 179
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Pluto is like every other icy planet. The heat and pressure of being further down into the planet melts the ice. Seen in Titan, Europa, Enceladus, etc.
 
HarbingerDawnDate: Wednesday, 22.06.2016, 19:12 | Message # 180
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steeljaw354, a thread for discussing Pluto already exists. A new thread was unnecessary.




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