Free planetarium

 
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Watsisname
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06 Jun 2017 00:02

That's pretty hot. :o

Gnargenox wrote:
Source of the post Speaking of misaligned orbits, why are so many Hot Jupiters in polar orbits around their host star? 

Most likely a combination of planet-planet scattering events and the Kozai Mechanism.  We don't think they simply formed in those orbits, because the protoplanetary disk should be aligned with the star's rotation, and migration of the gas giant by interacting with the disk alone should also keep it in that plane.
 
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10 Jun 2017 14:45

"Exploration is in our nature. We began as wanderers, and we are wanderers still"
-carl sagan
 
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10 Jun 2017 21:34

That would be cool to try to photograph.  Too bad I'm not on the east coast anymore -- it was fun being able to see rocket launches from Wallops Island.
 
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11 Jun 2017 07:02

Wow! signal source finally discovered

https://phys.org/news/2017-06-wow-mystery-space.html
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11 Jun 2017 07:07

HarbingerDawn wrote:
Wow! signal source finally discovered

https://phys.org/news/2017-06-wow-mystery-space.html

Welp...pack it up boys. No aliens around here. :(
 
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11 Jun 2017 12:01

yeah this seems like a good reason for it.
i remember that we heard radio signals from p67 comet and we didnt know why until we realized it's something related to the water vapor or something like that if i remember correctly.
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13 Jun 2017 15:07

Time to update the satellites around Jupiter! The new total number of moons is now 69.
Two new moons around Jupiter
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14 Jun 2017 07:40

"Exploration is in our nature. We began as wanderers, and we are wanderers still"
-carl sagan
 
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15 Jun 2017 13:07

Back in 2005, the martian rover Opportunity had damage to the front-right wheel's steering actuator.
2005 article
Today, Opportunity's front-left wheel got stuck. This is very similar to the other rover Spirit's loss of control of it's front-right wheel, which it dragged along until its death, getting stuck in the sand.  :cry:
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15 Jun 2017 13:14

so it means...opportunity may come to an end....
farewell opportunity.
these mars rovers are engineering miracle. designed for only 3 months but actually survived 167 months!!  :shock:
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15 Jun 2017 23:28

Spacer wrote:
these mars rovers are engineering miracle. designed for only 3 months but actually survived 167 months!!  :shock:

That's just insane, I hope Curiosity will survive as much as Opportunity did!
The universe is not required to be in perfect harmony with human ambition.

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16 Jun 2017 08:14

Salvo, The problem is, Curiosity's power is limited. It has a battery instead of solar panels.
"Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space." - Douglas Adams
 
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16 Jun 2017 08:45

Hornblower wrote:
Source of the post It has a battery instead of solar panels.

A radioisotope thermoelectric generator, not just a battery. But yes, it's lifetime is limited by that.
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16 Jun 2017 08:54

cassini got that generator and the probe survived until now. but a probe is different than a rover on a planet surface.
i guess if everything will go well without a wheel getting stuck or broken...i give curiosity 5-10 more years
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16 Jun 2017 08:58

Spacer, but curiosity already has holes in its wheels
"Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space." - Douglas Adams

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