The Dude

Birkenhead, UK

#979 Feb 13, 2013
MikeF wrote:
BTW, Old Timers...

I heard from Noodly James today. He's finishing up his neuroradiology fellowship in Miami and doing well.
Good man, top banana!
MikeF wrote:
Hello Kitty in space:
http://www.scienceworldreport.com/articles/47...
Smart kid!
Hmmm. That's one I haven't tried yet...

“Nihil curo de ista tua stulta ”

Since: May 08

Orlando

#980 Feb 13, 2013
MikeF wrote:
Hello Kitty in space:
http://www.scienceworldreport.com/articles/47...
Smart kid!
Very cool!

Glad she (they) had the foresight to measure air pressure, temperature and altitude during the ascent.

““You must not lose faith ”

Level 5

Since: Jun 11

Location hidden

#981 Feb 14, 2013
http://map.gsfc.nasa.gov/universe/uni_matter....
jan 2013 results on the composition of baryonic matter, that now also includes dark matter.

Given that we have 500 forms of matter (The Perimeter Institute)i'm not surprised. Though nowit's a bit harder to simply state that baryonic matter is just the chemical part.

“There is no such thing”

Level 3

Since: May 08

as a reasonable person

#982 Feb 17, 2013
http://www.the-scientist.com/...
Dogs Cured of Type 1 Diabetes
Beagles no longer showed diabetes symptoms following a single course of gene therapy.

“Pissing people off since 1949”

Level 8

Since: Apr 08

Seffner, FL

#983 Feb 18, 2013

“Pissing people off since 1949”

Level 8

Since: Apr 08

Seffner, FL

#984 Feb 20, 2013

“Pissing people off since 1949”

Level 8

Since: Apr 08

Seffner, FL

#985 Feb 20, 2013
Something else to worry about:

http://www.salon.com/2013/02/19/micro_drones_...

“H-o-o-o-o-o-o-ld on thar!”

Level 7

Since: Sep 08

The Borderland of Sol

#986 Feb 20, 2013
MikeF wrote:
Something else to worry about:
http://www.salon.com/2013/02/19/micro_drones_...
*sigh*

I suppose that was inevitable.

“It's all about the struggle”

Since: Jun 10

Location hidden

#987 Feb 26, 2013

Level 9

Since: Sep 08

Everett, WA

#988 Feb 26, 2013
nanoanomaly wrote:
It looks interesting, but my cable company seems to have dropped the NASA channel. I did see the landing of the Rover live.

“Pissing people off since 1949”

Level 8

Since: Apr 08

Seffner, FL

#989 Feb 27, 2013

“Nihil curo de ista tua stulta ”

Since: May 08

Orlando

#990 Feb 27, 2013
HOLY CRAP! How AWSOME would this be?

There is an outside chance that a newly discovered comet might be on a collision course with Mars. Astronomers are still determining the trajectory of the comet, named C/2013 A1 (Siding Spring), but at the very least, it is going to come fairly close to the Red Planet in October of 2014. "Even if it doesn't impact it will look pretty good from Earth, and spectacular from Mars," wrote Australian amateur astronomer Ian Musgrave, "probably a magnitude -4 comet as seen from Mars's surface."

The comet was discovered in the beginning of 2013 by comet-hunter Robert McNaught at the Siding Spring Observatory in New South Wales, Australia. According to a discussion on the IceInSpace amateur astronomy forum when the discovery was initially made, astronomers at the Catalina Sky Survey in Arizona looked back over their observations to find "prerecovery" images of the comet dating back to Dec. 8, 2012. These observations placed the orbital trajectory of comet C/2013 A1 right through Mars orbit on Oct. 19, 2014.

However, now after 74 days of observations, comet specialist Leonid Elenin notes that current calculations put the closest approach of the comet at a distance of 109,200 km, or 0.00073 AU from Mars in October 2014. That close pass has many wondering if any of the Mars orbiters might be able to acquire high-resolution images of the comet as is passes by.

But as Ian O'Neill from Discovery Space points out, since the comet has only been observed for 74 days (so far), so it's difficult for astronomers to forecast the comet's precise location in 20 months time. "Comet C/2013 A1 may fly past at a very safe distance of 0.008 AU (650,000 miles)," Ian wrote, "but to the other extreme, its orbital pass could put Mars directly in its path. At time of Mars close approach (or impact), the comet will be barreling along at a breakneck speed of 35 miles per second (126,000 miles per hour)."

Elenin said that since C/2013 A1 is a hyperbolic comet and moves in a retrograde orbit, its velocity with respect to the planet will be very high, approximately 56 km/s. "With the current estimate of the absolute magnitude of the nucleus M2 = 10.3, which might indicate the diameter up to 50 km, the energy of impact might reach the equivalent of staggering 2×10¹º megatons!"

An impact of this magnitude would leave a crater 500 km across and 2 km deep, Elenin said.

While the massive Comet Shoemaker–Levy 9 (15 km in diameter) that crashed into Jupiter in 1994 was spectacular as seen from Earth orbit by the Hubble Space Telescope, an event like C/2013 A1 slamming into Mars would be off the charts.

Astronomers are certainly keeping an eye on this comet, and they will refine their measurements as more data comes in. You can see the orbital parameters available so far at JPL's Solar System Dynamics website.

We'll keep you posted.

“Nihil curo de ista tua stulta ”

Since: May 08

Orlando

#991 Feb 27, 2013

“Pissing people off since 1949”

Level 8

Since: Apr 08

Seffner, FL

#992 Feb 27, 2013
Kong_ wrote:
Wow!

“Nihil curo de ista tua stulta ”

Since: May 08

Orlando

#993 Feb 27, 2013
Followup to possible Mars/comet collision:

I just looked it up, and Mars will be just 1.63 AU from earth on Oct 19, 2014.

DAMMIT MAN! I gotta get a decent telescope by then!
(Hopefully by Nov of THIS year for THAT comet!)

“H-o-o-o-o-o-o-ld on thar!”

Level 7

Since: Sep 08

The Borderland of Sol

#994 Feb 27, 2013
nanoanomaly wrote:
Drat.

Missed it...

“H-o-o-o-o-o-o-ld on thar!”

Level 7

Since: Sep 08

The Borderland of Sol

#995 Feb 27, 2013
Subduction Zone wrote:
<quoted text>
It looks interesting, but my cable company seems to have dropped the NASA channel. I did see the landing of the Rover live.
Hey! So has mine!

NOW I'm annoyed!

“H-o-o-o-o-o-o-ld on thar!”

Level 7

Since: Sep 08

The Borderland of Sol

#996 Feb 27, 2013
MikeF wrote:
One hopes that its ultimate destination is appropriate.

“H-o-o-o-o-o-o-ld on thar!”

Level 7

Since: Sep 08

The Borderland of Sol

#997 Feb 27, 2013
Kong_ wrote:
Followup to possible Mars/comet collision:
I just looked it up, and Mars will be just 1.63 AU from earth on Oct 19, 2014.
DAMMIT MAN! I gotta get a decent telescope by then!
(Hopefully by Nov of THIS year for THAT comet!)
Meade makes some decent reflectors, quite reasonably...

“Nihil curo de ista tua stulta ”

Since: May 08

Orlando

#998 Feb 27, 2013
macumazahn wrote:
<quoted text>Meade makes some decent reflectors, quite reasonably...

Yup! That they do.

And Ebay sells them for less.
But quality may suffer.

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