Pluto is a Planet!

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Profile Lynn Special Project $75 donor
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Message 1678830 - Posted: 12 May 2015, 21:26:26 UTC - in response to Message 1674325.  

Update:

NASA’s New Horizons Spots Pluto’s Faintest Known Moons



It’s a complete Pluto family photo – or at least a photo of the family members we’ve already met.

For the first time, NASA’s New Horizons spacecraft has photographed Kerberos and Styx – the smallest and faintest of Pluto’s five known moons. Following the spacecraft’s detection of Pluto’s giant moon Charon in July 2013, and Pluto’s smaller moons Hydra and Nix in July 2014 and January 2015, respectively, New Horizons is now within sight of all the known members of the Pluto system.

“New Horizons is now on the threshold of discovery,” said mission science team member John Spencer, of the Southwest Research Institute in Boulder, Colorado. “If the spacecraft observes any additional moons as we get closer to Pluto, they will be worlds that no one has seen before.”

http://www.nasa.gov/image-feature/nasa-s-new-horizons-spots-pluto-s-faintest-known-moons
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Message 1678875 - Posted: 12 May 2015, 23:14:00 UTC - in response to Message 1678830.  

Hang on...
If Pluto is not a planet, how can it have moons?
:)
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Message 1678970 - Posted: 13 May 2015, 3:45:06 UTC

Personally I still think of Pluto as a planet. But just having moons doesn't seem to qualify an object as a planet. Several asteroids have moons and they are not even round.
Bob DeWoody

My motto: Never do today what you can put off until tomorrow as it may not be required. This no longer applies in light of current events.
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Message 1679065 - Posted: 13 May 2015, 5:12:33 UTC

...so these asteroids with moons should be planets. That makes sense to me
Bob Smith
Member of Seti PIPPS (Pluto is a Planet Protest Society)
Somewhere in the (un)known Universe?
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Message 1679073 - Posted: 13 May 2015, 5:51:14 UTC - in response to Message 1679065.  

Pluto and Charon capturing all those moons. They probably have a real strong gravitational pull together acting as a sort of binary system,
since they are so close. There could be more moons, we won't know until the probe gets closer. Odds are Pluto is not boring, planet or not.
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Message 1679074 - Posted: 13 May 2015, 5:51:59 UTC

People should really read more, before posting... ;)

non-profit org. Play4Life in Zagreb, Croatia, EU
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Message 1679114 - Posted: 13 May 2015, 9:02:25 UTC - in response to Message 1679073.  

Pluto and Charon capturing all those moons. They probably have a real strong gravitational pull together acting as a sort of binary system,
since they are so close. There could be more moons, we won't know until the probe gets closer. Odds are Pluto is not boring, planet or not.


I agree Lynn.
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Message 1679130 - Posted: 13 May 2015, 10:06:09 UTC
Last modified: 13 May 2015, 10:09:02 UTC

A planet (from Ancient Greek ἀστήρ πλανήτης, astēr planētēs, or πλάνης ἀστήρ, plánēs astēr, meaning "wandering star") is an astronomical object orbiting a star or stellar remnant that
* is massive enough to be rounded by its own gravity,
* is not massive enough to cause thermonuclear fusion, and
* has cleared its neighbouring region of planetesimals.

Wandering star?
But planets are not stars. Should astronomers change the name planet as well?
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Message 1679556 - Posted: 14 May 2015, 13:41:47 UTC - in response to Message 1679114.  

Pluto and Charon capturing all those moons. They probably have a real strong gravitational pull together acting as a sort of binary system,
since they are so close. There could be more moons, we won't know until the probe gets closer. Odds are Pluto is not boring, planet or not.


I agree Lynn.



And i'll second that.

:)
If at first you don't succeed,
Then skydiving is not for you.
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Message 1680171 - Posted: 15 May 2015, 22:58:51 UTC - in response to Message 1679114.  
Last modified: 15 May 2015, 23:10:37 UTC

Pluto and Charon capturing all those moons. They probably have a real strong gravitational pull together acting as a sort of binary system,
since they are so close. There could be more moons, we won't know until the probe gets closer. Odds are Pluto is not boring, planet or not.


I agree Lynn.



Me too. Greetings .
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Profile Lynn Special Project $75 donor
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Message 1680211 - Posted: 15 May 2015, 23:54:24 UTC - in response to Message 1680171.  

Welcome to the boards Eldart!
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Message 1680238 - Posted: 16 May 2015, 0:23:39 UTC - in response to Message 1680211.  

I am delighted to be part of this. Thank you very much Lynn!
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Message 1680943 - Posted: 18 May 2015, 6:34:31 UTC - in response to Message 1680211.  

Welcome to the boards Eldart!


+1
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Message 1680995 - Posted: 18 May 2015, 11:01:42 UTC - in response to Message 1680943.  

Thanks Julie, best regards.


ACK!! ACK!! AAACK!!
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Message 1681010 - Posted: 18 May 2015, 12:13:13 UTC - in response to Message 1680995.  
Last modified: 18 May 2015, 12:13:40 UTC

Welcome.

Maybe Aliens are annoying...

Close Encounters of the Annoying Kind
https://www.youtube.com/watch?v=sGJK5xFqm7Q
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Message 1684942 - Posted: 28 May 2015, 0:58:35 UTC - in response to Message 1681010.  

Pluto in the 3 images has dark patches all over it's surface. Which could indicate, geological processes at work. It also looks like there could be snow/ice, etc to. It doesn't look like it will be dull.


NASA’s New Horizons Sees More Detail as It Draws Closer to Pluto


What a difference 20 million miles makes! Images of Pluto from NASA’s New Horizons spacecraft are growing in scale as the spacecraft approaches its mysterious target. The new images, taken May 8-12 using a powerful telescopic camera and downlinked last week, reveal more detail about Pluto’s complex and high contrast surface.





These images show Pluto in the latest series of New Horizons Long Range Reconnaissance Imager (LORRI) photos, taken May 8-12, 2015, compared to LORRI images taken one month earlier. In the month between these image sets, New Horizons’ distance to Pluto decreased from 68 million miles (110 million kilometers) to 47 million miles (75 million kilometers), as the spacecraft speeds toward a close encounter with the Pluto system in mid-July. The April images are shown on the left, with the May images on the right. All have been rotated to align Pluto’s rotational axis with the vertical direction (up-down), as depicted schematically in the center panel. Between April and May, Pluto appears to get larger as the spacecraft gets closer, with Pluto’s apparent size increasing by approximately 50 percent. Pluto rotates around its axis every 6.4 Earth days, and these images show the variations in Pluto’s surface features during its rotation. These images are displayed at four times the native LORRI image size, and have been processed using a method called deconvolution, which sharpens the original images to enhance features on Pluto. Deconvolution can occasionally add “false” details, so the finest details in these pictures will need to be confirmed by images taken from closer range in the next few weeks. All of the images are displayed using the same linear brightness scale.

http://www.nasa.gov/feature/nasa-s-new-horizons-sees-more-detail-as-it-draws-closer-to-pluto
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Message 1685032 - Posted: 28 May 2015, 7:41:43 UTC

Very interesting images, thank you Lynn!
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Message 1685053 - Posted: 28 May 2015, 8:49:38 UTC

Thank's Lynn that is interesting only 2 months and then we can see what it looks like
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Message 1687491 - Posted: 3 Jun 2015, 23:22:42 UTC - in response to Message 1685053.  
Last modified: 3 Jun 2015, 23:23:47 UTC

Wanted to wait for an update. Julie & Glenn, your welcome.

Pluto's moons tumble in orbit, Hubble measurements reveal

Pluto’s moons have been tracked closely for the first time, showing that they tumble unpredictably rather than keeping one face fixed on their host planet.

Astronomers also observed that Pluto, whose status was downgraded to a dwarf planet in 2006, might be better regarded as a binary dwarf as it is locked in orbit with its largest moon, called Charon.

The twin system creates an imbalanced and shifting gravitational field, which sends the tiny outer moons spinning chaotically, the measurements from the Hubble space telescope showed.

http://www.theguardian.com/science/2015/jun/03/plutos-moons-have-chaotic-orbits-hubble-measurements-reveal
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Message 1687526 - Posted: 4 Jun 2015, 1:06:52 UTC - in response to Message 1687491.  

NASA’s Hubble Finds Pluto’s Moons Tumbling in Absolute Chaos

If you lived on one of Pluto’s moons, you might have a hard time determining when, or from which direction, the sun will rise each day. Comprehensive analysis of data from NASA’s Hubble Space Telescope shows that two of Pluto’s moons, Nix and Hydra, wobble unpredictably.

“Hubble has provided a new view of Pluto and its moons revealing a cosmic dance with a chaotic rhythm,” said John Grunsfeld, associate administrator of NASA’s Science Mission Directorate in Washington. “When the New Horizons spacecraft flies through the Pluto system in July we’ll get a chance to see what these moons look like up close and personal.”

http://www.nasa.gov/press-release/nasa-s-hubble-finds-pluto-s-moons-tumbling-in-absolute-chaos
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