Astronomy Picture of the Day

Discuss celestial objects and phenomena outside the Earth's atmosphere, Earth-launched satellites and exploratory missions, etc....

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Re: Astronomy Picture of the Day

#3801  Postby i have no avatar » Feb 05, 2018 4:25 am

Np, and you're welcome, MoS. :grin:
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Re: Astronomy Picture of the Day

#3802  Postby i have no avatar » Feb 05, 2018 4:27 am

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Re: Astronomy Picture of the Day

#3803  Postby i have no avatar » Feb 06, 2018 4:08 am

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Re: Astronomy Picture of the Day

#3804  Postby i have no avatar » Feb 07, 2018 5:10 am

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Re: Astronomy Picture of the Day

#3805  Postby Made of Stars » Feb 07, 2018 11:29 am


Whoa.

Taking bets on tomorrow's APOD... Dual booster landing, anyone? Starman on his way to Mars in a Tesla Roadster?
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Re: Astronomy Picture of the Day

#3806  Postby i have no avatar » Feb 08, 2018 1:26 am

I would have thought so too. But no...

NGC 7331 Close-Up
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Re: Astronomy Picture of the Day

#3807  Postby i have no avatar » Feb 09, 2018 5:06 am

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Re: Astronomy Picture of the Day

#3808  Postby Made of Stars » Feb 09, 2018 12:54 pm

i have no avatar wrote:I would have thought so too. But no...

NGC 7331 Close-Up

:awesome:
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Re: Astronomy Picture of the Day

#3809  Postby i have no avatar » Feb 10, 2018 1:40 am

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Re: Astronomy Picture of the Day

#3810  Postby i have no avatar » Feb 11, 2018 4:04 am

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Re: Astronomy Picture of the Day

#3811  Postby newolder » Feb 11, 2018 10:23 am

Twinkle, twinkle little star
Speeding fast, but won't get far.
A rotting piece of human waste.
A rubbish tip in outer space.
(After, Milligan S.)
:grin:

Thanks for the return of APODs though, ihns. :thumbup:
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Re: Astronomy Picture of the Day

#3812  Postby i have no avatar » Feb 12, 2018 4:51 am

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Re: Astronomy Picture of the Day

#3813  Postby i have no avatar » Feb 13, 2018 3:14 am

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Re: Astronomy Picture of the Day

#3814  Postby i have no avatar » Feb 14, 2018 3:26 am

Car Orbiting Earth

"These cameras, connected to the car's battery, are now out of power."

I assume they mean the 12V battery. Why not run the camera off of the HV batteries through a high to low voltage converter and with a high enough gain antenna to send images to Earth while the car is in its own orbit about the Sun?

Gosh, I'm so much smarter than Elon Musk, the dummy. :nono:

Or were fully charged HV batteries too much of a risk? Theories? Credible info? (too lazy to Google).
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Re: Astronomy Picture of the Day

#3815  Postby i have no avatar » Feb 15, 2018 3:58 am

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Re: Astronomy Picture of the Day

#3816  Postby Made of Stars » Feb 15, 2018 10:34 am

i have no avatar wrote:Car Orbiting Earth

"These cameras, connected to the car's battery, are now out of power."

I assume they mean the 12V battery. Why not run the camera off of the HV batteries through a high to low voltage converter and with a high enough gain antenna to send images to Earth while the car is in its own orbit about the Sun?

Gosh, I'm so much smarter than Elon Musk, the dummy. :nono:

Or were fully charged HV batteries too much of a risk? Theories? Credible info? (too lazy to Google).

Dunno. They might have left them off to reduce weight and maximise the orbit.
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Re: Astronomy Picture of the Day

#3817  Postby aban57 » Feb 15, 2018 12:05 pm

Also, it means that you need to keep the infrastructure to keep broadcasting until the end. Might not have been the original purpose.
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Re: Astronomy Picture of the Day

#3818  Postby i have no avatar » Feb 16, 2018 2:34 am

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Re: Astronomy Picture of the Day

#3819  Postby i have no avatar » Feb 17, 2018 3:43 am

Comet PanSTARRS is near the Edge, taken on January 13, 2018 per the Explanation.


Compare this to the APOD from February 12, 2018 whose Explanation says that the comet is moving towards the top of the image. If so, then obviously this image was taken after January 13th, although I do not see a specific date given.
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Re: Astronomy Picture of the Day

#3820  Postby newolder » Feb 17, 2018 9:25 am

Here's a link to an image in a gallery on the same comet. Taken on 2018 Feb. 4th from somewhere in New Mexico. The Feb 12 APOD looks similar.
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