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Watch this Space; Astronomy news
Topic Started: May 12 2015, 05:08 PM (617 Views)
Almonaster
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NASA's DAWN mission is now in orbit around Ceres. Ceres is the largest object in the asteroid belt, and was upgraded to a "dwarf planet" at the same time as the controversial demotion of Pluto.

This series of images gives a good impression of the surface, including the interesting bright surface features, currently believed to be ice or salt deposits.

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Fin
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Almonaster
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Going much further out that our own solar system, this video is not new, but still of interest. It is about how our galaxy fits in to what we know of the overall structure of the universe.

https://www.youtube.com/watch?v=rENyyRwxpHo
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Matilda Love
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So beautiful.
I had to concentrate hard on what was being said because that stupid visual thinking thing of mine kept drowning out everything else.
I maybe should listen again but switch off the visuals :lol:
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Almonaster
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Certain events give off very similar signatures, and are used to calibrate and check the results from other observations, where the trade-off between distance and power is not as clear. One of the main "standard candles" is the type 1a supernova, but their exact origins have been unclear. A recent set of observations sheds some light on this...

http://www.eurekalert.org/pub_releases/201...--shs052015.php
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Almonaster
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Some of you may remember back in November last year the Rosetta mission to comet 67P. The lander Philae made contact, bounced and finally settled down. It was active for a couple of days, fulfilling its primary science mission; but then shut down, probably because its solar panels were in the shade.

Now it has woken up again, and tweeted back to base (via Rosetta). ESA are now hoping to gain additional data as the comet continues towards the sun.
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Stormaen
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Almonaster,Jun 15 2015
07:56 PM
Some of you may remember back in November last year the Rosetta mission to comet 67P. The lander Philae made contact, bounced and finally settled down. It was active for a couple of days, fulfilling its primary science mission; but then shut down, probably because its solar panels were in the shade.

Now it has woken up again, and tweeted back to base (via Rosetta). ESA are now hoping to gain additional data as the comet continues towards the sun.

I saw this as it broke. How interesting! :thumbsup: Hopefully they can do further research.
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Almonaster
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Back in March, NASA announced that researchers using the Hubble space telescope have detected the presence of a saltwater ocean on Ganymede, Jupiter's largest moon.

Scientists speculated for years about the existence of a liquid ocean under the icy surface of the moon, and geologists even mapped Ganymede's rocky exterior to get a better idea of its features. But until now, they weren't completely sure what was under the crust.


more...
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Almonaster
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Oops! Forget the fancy landing, let's get this thing off the ground safely first.

http://thenextweb.com/insider/2015/06/28/s...-during-launch/
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Matilda Love
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That is a shame :(
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Almonaster
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An asteroid with rings...

http://www.scienceworldreport.com/articles...eroid-rings.htm
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Stormaen
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I was just reading an article he other speculating on ringed asteroids. :P Man, they work quick! :lol:
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Almonaster
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The New Horizons probe has suffered a malfunction. It has essentially re-booted in safe mode, so is back in touch but needs investigation and work to deal with the underlying problem. They've got just over a week to fix it!

http://www.space.com/29853-new-horizons-gl...luto-flyby.html
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Stormaen
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No! :o :no:

I am so looking forward (as many are) to finally seeing what Pluto looks like! It would be devastating if something went wrong and couldn't be fixed! :(

I remember when it first launched how excited I was that we'd finally see what Pluto was like. A long wait and many discoveries later, I'm no less enchanted!

Please let it be fixable! Posted Image
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Almonaster
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Looks like it should be OK...

Space.com
 
NASA's New Horizons spacecraft will be ready for its epic Pluto flyby next week despite a recent glitch, mission team members say.

New Horizons went into a precautionary "safe mode" on Saturday (July 4) after experiencing an anomaly, but the problem did not turn out to be serious. New Horizons' handlers say the probe should be back to normal science operations by Tuesday (July 7), exactly one week before it performs the first-ever flyby of Pluto.

"The investigation into the anomaly that caused New Horizons to enter 'safe mode' on July 4 has concluded that no hardware or software fault occurred on the spacecraft," mission team members wrote in an update Sunday (July 5). "The underlying cause of the incident was a hard-to-detect timing flaw in the spacecraft command sequence that occurred during an operation to prepare for the close flyby. No similar operations are planned for the remainder of the Pluto encounter."



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Stormaen
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Almonaster,Jul 6 2015
03:59 PM
Looks like it should be OK...

Space.com
 
NASA's New Horizons spacecraft will be ready for its epic Pluto flyby next week despite a recent glitch, mission team members say.

New Horizons went into a precautionary "safe mode" on Saturday (July 4) after experiencing an anomaly, but the problem did not turn out to be serious. New Horizons' handlers say the probe should be back to normal science operations by Tuesday (July 7), exactly one week before it performs the first-ever flyby of Pluto.

"The investigation into the anomaly that caused New Horizons to enter 'safe mode' on July 4 has concluded that no hardware or software fault occurred on the spacecraft," mission team members wrote in an update Sunday (July 5). "The underlying cause of the incident was a hard-to-detect timing flaw in the spacecraft command sequence that occurred during an operation to prepare for the close flyby. No similar operations are planned for the remainder of the Pluto encounter."



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Phew! :rolleyes: :D
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Almonaster
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New horizons is kinda busy right now, so won't be transmitting much until tomorrow. Meanwhile, NASA have released this image taken on the way in...

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Almonaster
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http://www.sciencealert.com/a-mini-ice-age...e-next-15-years


Good news in terms of climate change, although bad if it is used by politicians as an excuse to do less. I should point out (as should the journalist) that a drop of 60% of solar "activity" does not mean a drop of 60% in solar output - more like a couple of percent.
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Matilda Love
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08:00 AM
New horizons is kinda busy right now, so won't be transmitting much until tomorrow. Meanwhile, NASA have released this image taken on the way in...

Posted Image

For me, this is such a a hauntingly beautiful picture.
I can't stop looking at it.

Better move further north too :yes:
Darwin sounds nice.
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Everyone has talent. What is rare is the courage to follow the talent to the dark place where it leads.
Erica Jong

Fine art is that in which the hand, the head, and the heart go together.
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Stormaen
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That picture of Pluto is absolutely stunning. I've wondered what it would like since childhood and there it is. Mattie sums it up perfectly: "...hauntingly beautiful picture. I can't stop looking at it."

I look forward to what else will come. :)
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