aesmael: (probably quantum)
"What we see today, when we look out at the Universe, is that the farther away things are from us, the faster they move away from us. "

Let's rephrase that. Let's say "the farther away things are from us, the faster we observe our separation increasing". The standard phrasing encourages misunderstandings about the nature of the universe's expansion.
aesmael: (haircut)
Lately have been using this image as my desktop background:

It is an image I took with Celestia two years ago and, coming across again, seemed like good background material.

The main object in the foreground is of course Europa, mostly eclipsing Jupiter in the background. To the left is the Sun, and to the left of that another disk is visible. I recreated this shot in Celestia recently to verify (the time displayed in the image is local to Sydney, so I had to adjust the clock settings in Celestia to get to the right moment, but if you leave them unaltered and enter the time shown you get a shot which is nearly a mirror image of this one) that the other disk visible is indeed Io and not one of the other Galilean moons.

I think it is wonderful that there are places in the solar system we could go and see more than two objects visible in the sky as more than points.
aesmael: (tricicat)
Google Reader Shared Items
  1. Thank You Thursdays: Your (Notice I Didn't Say Female) Brain [via [livejournal.com profile] gentle_gamer. Comments to the post made me warier of this video. Did she have that brain cut in half to illustrate her point? Am pretty sure most brains I have seen are in a single piece unless cut. Much of her described experience of having a stroke is not unfamiliar to me, if to a greater degree. Not, I stress, identical, but apparently similar to something which can be accessible to me. If I were to release certain brakes, if I could remember how. I have a lot of hostility to the frame in which she presents her thesis, despite finding much recognition or even agreement in the details.

    I dislike the way people jumped on ropty's comment ("Non-gendered? Dividing the world into two parts, one is linear, unemotional, calculating and the other about feeling, emotions, timeless oneness. Gee, that sounds rather gendered to me.") because this is a thing which is done, this is a way in which brain functioning is presented and those traits are very gendered in this society. Also that my readings of other writings on neurobiology suggest this is a highly oversimplified perspective on human brain hemisphere functioning, though as this was a talk for a lay audience that may have been deliberate. And it still seems to me her described experiences are very 'on point' even if I am not so fond of her presentation of them.

    I wonder if making such experience accessible at will would have the effect on the world Dr Taylor describes.]
  2. Video: Blaser tournament unwisely fits Japanese robots with lasers -- PEW PEW [via [livejournal.com profile] soltice. If we intercut this with some footage of people we could make a movie of it.]
  3. New Hubble Images Reveal Plethora of Interacting Galaxies [via [livejournal.com profile] soltice. Pretty!]
  4. Young feminists just want to "go wild and pole dance" [via [livejournal.com profile] gentle_gamer.]
  5. How To Sing Like A Planet [via [livejournal.com profile] gentle_gamer. Wherever there be medium and motion, music. The article makes me angry, with it's talk of 'merely' as if scientific explanation of such magnificent happenings cannot be also magnificent, wondrous or beautiful themselves. I lost a lot of esteem for the writer's prior musings when I read that part.]
  6. Atheism is a condom for your mind [via [livejournal.com profile] soltice. The part I disagree with is the phrasing suggestive that removing religious belief is a part and precursor to mental hygiene and health -- I would place taking care of the mind first, and if that leads to the removal of religion then so be it. Someone eventually said so too.]
  7. Equality Through Intimidation? The Houston HRC Dinner Protest [via [livejournal.com profile] gentle_gamer.]
  8. Comical Surroundings [via [livejournal.com profile] soltice. This is interesting but I think I would not like my furniture to be displaying always the same images and words. After so many repetitions reading, wearying.]
  9. Modular, shape-shifting robots get right back up to creep you out [via [livejournal.com profile] soltice. Shiny! Still a ways to go before they are as capable as the version seen in Terminator 2 though.]
  10. Australia to Remove Antigay Discrimination From 100 Laws [via [livejournal.com profile] soltice. An improvement, but not enough.]
  11. Maintaining Moore's law with new memristor circuits [via [livejournal.com profile] soltice. Fascinating (a thing said when {in this case} interested but uneducated in a subject).]


Scienceblogs
  1. Vaccination doesn't cause autism volume what-are-we-up-to-now? [And yet we see how well the continued lack of evidence substantiating a connection is received. *sigh*]
aesmael: (it would have been a scale model)
If it did not taste so good with every drop, surely we would stop drinking it.

Since it was not visible from here, I am going to watch the lunar eclipse via Celestia. Celestia is being finicky in GNOME and KDE. Going to try installing the GNOME frontend, see if that helps. Also xorsa because it looks fun.

Hm

2008-01-26 12:53
aesmael: (haircut)
So reportedly NASA is soliciting input on creating a massively multiplayer online game.

Anyone read Ender's Game? (actually I haven't, but have read Ender's Shadow)
aesmael: (sudden sailor)
    Lots of instrumentation information here as probes study Mars during one of its famous dust storms. The rovers, however, are in an endurance race. Will battery power be sufficient for them to continue operating until the sky clears?

    I did not know the HiRISE team has a blog until I read that article. Now I am wondering how many other missions and instruments have blogs I could be reading to keep updated.
aesmael: (haircut)
    Emily Lakdawalla reports on the recent discovery of four (as yet unnamed) moons orbiting Saturn. So far that makes 60, none of which can make a decent cocktail.
    These new moons, like many of Saturn's, are about half the size of Deimos, which is pretty small. The curious should click through if they wish to see an animation of the discovery images for one of the newly found satellites.
aesmael: (Electric Waves)
Religious belief in Australia is falling, sadly more from apathy than anything else, I think. Our local media seemed not so excited about it but PZ Myers is positively emerald. ^_^

Steinn Sigurðsson|Dynamics of Cats has been to a conference and oh how I envy him. I mean, he has to endure terrible hardships, but just look at the conference highlights he has posted so far here (+!), here (amongst other things, Barnard's Star appears not to have any candidates so far so no Barnardian eels, alas, while Proxima Centauri may with further inspection) and here.

I won't say much because, really, all I have to go on are the quick bullet points he has posted so far, but I have not been so hungry since the last time I was in a really good bookshop. A lot of this is amazing and fascinating and the more information we get on the population of planets out there the more wonders we know.

If I were to go into academia this is what I would study, but alas I lack the skills and the dedication, so I will just sit here on the sidelines. :-P

And now it is off to sleep for me. Keep well, people.

Love,
    Tricia Fakename

Haha

2007-03-11 12:13
    According to John Scalzi|Whatever, New Mexico is considering legislation [resolution text*] to declare Pluto a planet. This is probably because Clyde Tombaugh apparently came from the county the Representative responsible represents (isn't it nice when they do that?).
    The official stance of the International Astronomical Union is, as I am sure everyone knows by now, that Pluto is not considered a planet because it has not "cleared the neighbourhood around its orbit". Instead, it is what they call a dwarf planet.
    My official stance, which I try to repeat every chance I get in hopes of the idea picking up momentum, is that the IAU made the wrong decision. Pluto should be considered a planet, but because it is not the most dynamically significant body in its orbit (it is locked in a 3:2 resonance with Neptune and even without Neptune there are many other KBOs of comparable size 'nearby') it should be considered a minor or dwarf planet, as you will. The main difference is that it, Eris and Ceres would still be planets, just a particular kind. Under the IAU resolution that is a seperate class of thing, not a sub-classification.
    Also I really like the idea of making Pluto|Charon a double planet. Wouldn't that be neat?


*According to this resolution, merely discovering another moon of Pluto would de-planet it again.
aesmael: (friendly)
First heard from that Silly Human Michael Bains, now confirmed by Bad Astronomer Phil Plait that Hubble is (probably) going to be getting a new servicing mission, installing new equipment and replacing its ageing gyros among other things.

Edit: Forgot to mention I consider this a Good Thing.

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