APOD: Asteroids Near Earth (2011 Oct 01)

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Expand view Topic review: APOD: Asteroids Near Earth (2011 Oct 01)

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Mon Oct 03, 2011 2:52 pm

iamlucky13 wrote:Anybody who doesn't think the US has good beers needs to spend some time on the west coast. I spent a month earlier this year in the UK, which while far from the beer capital in the world, left me very disappointed after some of the comparisons others had made in favor of the UK beer scene over that of the US.
Or Colorado! My experience is similar to yours- I've had some fine beers in the UK (especially some heather ales in Scotland, which I've never found anywhere else), but I've generally found that my favorite beers are American microbrews. A peculiarity in Europe is that many major brand beers are actually produced in multiple small breweries- sometimes with different recipes, even. For example, Guinness tastes quite different in different parts of Ireland, depending on the local brewery that makes it. You only see this in pubs, though, as the bottled product is (so far as I know) the same everywhere.
Surprisingly, the big brewers are catching on. Blue Moon, for example, is a downright decent Belgian wheat brewed by Coors...
The good (though seldom great) brews coming from the big commercial operations remind me very much of the situation in Europe, and to a lesser extent Asia, where the big breweries typically produce much better beers than their American counterparts. That is, the main output of Heineken, Carlsberg, and other large breweries is quite good- better in general than we see from Coors or Budweiser. Brews like Blue Moon show that large operations can produce high quality beers. Nothing to match fine craft beers, but that is hardly surprising.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by iamlucky13 » Mon Oct 03, 2011 5:26 am

NoelC wrote:This strikes me as the kind of thing that would be better expressed as a video, with a 3D "flyover" showing where all these asteroids are, and maybe even animated to show their motion.

'Course that might scare the hell out of folks (me included).

-Noel
It absolutely would!

Here's an old version. Hopefully we'll see this updated over time.

http://www.arm.ac.uk/neos/anim.html

It loaded very slowly for me, so give it time. It's worth it. Note that this is known asteroids (who's orbits have been determined, hence why there's way fewer than 20,000 shown in the inner solar system.

Note also a lot of near earth asteroids (red) have highly elliptical orbits. They can at any moment cross the earth's orbit and therefore appear to be contradict the suggestion that the earth has cleared it's orbit, but they do not share the orbit (different eccentricity), which is part of the distinction regarding Pluto.

@mactavish - Brilliant, I love it.


Anybody who doesn't think the US has good beers needs to spend some time on the west coast. I spent a month earlier this year in the UK, which while far from the beer capital in the world, left me very disappointed after some of the comparisons others had made in favor of the UK beer scene over that of the US.
owlice wrote:There is no such thing as a "good beer" for an American commercial brew!
Surprisingly, the big brewers are catching on. Blue Moon, for example, is a downright decent Belgian wheat brewed by Coors. However, Coors can not afford to let themselves be identified with it, so they created a subsidiary "Blue Moon Brewing Company" for marketing purposes.

Not to mention, some of the bigger craft breweries are quite successful commercial scale operations. Craft Brewers Alliance (formed by the merger of Widmer Brothers and Redhook) bottles $140 million per year worth of beer. 3 of the top 10 breweries in the US are "craft" brewers, even if you don't include Sam Adams in that category.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Sun Oct 02, 2011 6:53 pm

zbvhs wrote:I saw a program on television (History or Science Channel) about a site in the eastern Sahara that is littered with some sort of glassy nodules much like fulgurites produced by lightning strikes. Since lightning strikes are exceedingly rare in the eastern Sahara, some other event must have created the high temperatures needed to fuse desert sand to glass.
Sounds like you are talking about Libyan desert glass, which is generally associated with a meteoritic event, although whether an actual impact or an air burst remains unresolved.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by zbvhs » Sun Oct 02, 2011 6:29 pm

I saw a program on television (History or Science Channel) about a site in the eastern Sahara that is littered with some sort of glassy nodules much like fulgurites produced by lightning strikes. Since lightning strikes are exceedingly rare in the eastern Sahara, some other event must have created the high temperatures needed to fuse desert sand to glass.

Apparently simulations have shown that an incoming body doesn't have actually strike the surface to cause damage. Under certain conditions the body can vaporize completely at high altitude and the resulting hypersonic shock wave can continue on to the surface. The impact of the shock wave produces high over-pressures on the ground or, in the case of the eastern Sahara event, temperatures high enough to fuse sand to glass.

An event of this sort was presented as an explanation for the damage seen after the Tunguska event. High over-pressures felled trees in a radial pattern over a large area. The effects of high over-temperatures, however, were mitigated somewhat by snow cover on the ground and the extreme cold of the Siberian winter. According to this explanation, very little - if any - of the incoming body would have reached Earth's surface, which explains the apparent lack of a visible crater on the ground.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Beyond » Sun Oct 02, 2011 4:30 pm

ah mactavish, ye have a wee bit of the Irish poet in ye, aye?

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by mactavish » Sun Oct 02, 2011 4:14 am

Oh pity the innkeeper’s plight
When his customers, night after night,
Order only pale brew
And brown ale eschew —
For his dark is much worse than his lite.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Sun Oct 02, 2011 4:00 am

owlice wrote:There is no such thing as a "good beer" for an American commercial brew!
And yet, some of the best beers in the world are American. I'd even say the best, period. But not from the big commercial breweries, that's for sure.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by owlice » Sun Oct 02, 2011 3:23 am

rstevenson wrote:best used for mouth wash
Ugh, no! Then it might hit the taste buds!
rstevenson wrote:or toilet bowl cleansing
Some might opine that much of it is used in, though not necessarily for, that very activity (or leading to it), especially on Friday and Saturday nights in university towns...

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by saturn2 » Sun Oct 02, 2011 3:05 am

Very well.
It aren´t 35,000 asteroids.
" Only" it are 19,500 asteroids near to Earth. :)

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by rstevenson » Sun Oct 02, 2011 2:10 am

owlice wrote:There is no such thing as a "good beer" for an American commercial brew!
:D
My thought exactly. There's English style ale (perferably "Bitter") and there's German style beer (Pilsener and the like.) Each is made in the traditional manner, sold in a relatively small geographic range, and therefore each local brand has its own unique characteristics. All of the global-brand manufactured "byrs" (thanks Chris) are pallid imitations, best used for mouth wash or toilet bowl cleansing.

Rob

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Beyond » Sun Oct 02, 2011 2:02 am

Uh-oh :!:

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by owlice » Sun Oct 02, 2011 1:23 am

There is no such thing as a "good beer" for an American commercial brew!

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by bystander » Sun Oct 02, 2011 12:07 am

Killian's Irish Red is a pretty good beer for an American commercial brew.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by NoelC » Sat Oct 01, 2011 11:18 pm

Typical. People drinking themselves into ignorance of the threat of asteroid collisions. Great idea! :)

Don't they brew non-light beer up in Golden? Certainly there are Coors varieties other than Coors Light, and some of them quite good. If so, how would what the brewery smells like be pertinent to a discussion about whether they brew a Light variety?

-Noel

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by orin stepanek » Sat Oct 01, 2011 10:30 pm

I like a beer now and then; especially the amber and dark beers you can get at the mini breweries. :D :b: :b: 8-) :wink: :mrgreen:

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Sat Oct 01, 2011 7:36 pm

Beyond wrote:
Chris Peterson wrote:...it doesn't even smell like a proper brewery.
And That's bad :?: :?:
Bakeries and breweries... two things that should (and usually do) smell wonderful.

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Beyond » Sat Oct 01, 2011 7:24 pm

Chris Peterson wrote:...it doesn't even smell like a proper brewery.
And That's bad :?: :?:

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Sat Oct 01, 2011 6:05 pm

neufer wrote:Very few people working at Coors brewery would consider Coors Light anything other than "beer."
Ignorance, I say, pure and simple ignorance!

(I often drive past the Coors brewery heading up to the Colorado School of Mines in Golden, and I can tell you, it doesn't even smell like a proper brewery.)

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by neufer » Sat Oct 01, 2011 5:54 pm

Chris Peterson wrote:
neufer wrote:
<<Light beer is beer that is reduced in alcohol content or in calories, compared to regular beer...
I strongly disagree that "light beer" is beer. While "light" is frequently rendered "lite" in this case, it is actually "beer" that should be altered... to "byr" perhaps. In the U.S. at least, you can't use the term "cream" unless there is actually dairy cream in the product- otherwise "creme" is typically used. "Light beer" is false advertising, pure and simple, and undeserving of that historical term!
Very few people working at Coors brewery would consider Coors Light anything other than "beer."
http://en.wikipedia.org/wiki/Coors_Brewing_Company wrote: <<The Coors Brewing Company managed to survive Prohibition relatively intact. Years before the Volstead Act went into effect nationwide, Adolph Coors with sons Adolph Jr., Grover, and Herman established the Adolph Coors Brewing and Manufacturing Company, which included Herold Porcelain and other ventures. The brewery itself was converted into a malted milk and near beer production facility. Coors sold much of the malted milk to the Mars candy company for the production of confection. Manna, the company's non-alcoholic beer replacement, was a near beer which is similar to current non-alcoholic beverages. However, Coors and sons relied heavily on the porcelain company as well as a cement and real estate company to keep the Coors Brewing Company afloat. By 1933, after the end of Prohibition, the Coors brewery was one of only a handful of breweries that survived Prohibition intact.

All the non-brewery assets of the Adolph Coors Company were spun off between 1989 and 1992; the descendant of the original Herold Porcelain ceramics business continues to operate as CoorsTek.>>

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Beyond » Sat Oct 01, 2011 5:40 pm

NoelC wrote:This strikes me as the kind of thing that would be better expressed as a video, with a 3D "flyover" showing where all these asteroids are, and maybe even animated to show their motion.

'Course that might scare the hell out of folks (me included).

-Noel
In that case, a lite byr just wouldn't do. You'd need the full effects of a light beer, to get through the experience FAST :!: :mrgreen:

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by NoelC » Sat Oct 01, 2011 4:40 pm

This strikes me as the kind of thing that would be better expressed as a video, with a 3D "flyover" showing where all these asteroids are, and maybe even animated to show their motion.

'Course that might scare the hell out of folks (me included).

-Noel

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Sat Oct 01, 2011 4:08 pm

neufer wrote:<<Light beer is beer that is reduced in alcohol content or in calories, compared to regular beer...
I strongly disagree that "light beer" is beer. While "light" is frequently rendered "lite" in this case, it is actually "beer" that should be altered... to "byr" perhaps. In the U.S. at least, you can't use the term "cream" unless there is actually dairy cream in the product- otherwise "creme" is typically used. "Light beer" is false advertising, pure and simple, and undeserving of that historical term!

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by neufer » Sat Oct 01, 2011 3:58 pm

Chris Peterson wrote:
"Light" is a broad term with many definitions.
  • ...
Light, n. [OE.light, liht, AS. leót; akin to OS. lioht, D. & G. licht, OHG. lioht, Goth. liuhap, Icel. ljs, L. lux light, lucere to shine, Gr. white, Skr. ruc to shine. . Cf. Lucid, Lunar, Luminous, Lynx.]
http://en.wikipedia.org/wiki/Low-alcohol_beer wrote:
<<Light beer is beer that is reduced in alcohol content or in calories, compared to regular beer. The spelling "lite beer" is also commonly used. Light beers may be chosen by beer drinkers who wish to manage their alcohol consumption or their calorie intake. However, these beers are sometimes criticized for being less flavorful than full-strength beers, being "watered down" (whether in perception or in fact), and thus advertising campaigns for light beers generally advertise their retention of flavor.

In Australia, regular beers have approximately 5% ABV; reduced-alcohol beers have 2.2%–3.2%.
In Canada, a reduced-alcohol beer contains 2.6%–4.0% ABV, and an “extra-light” beer contains less than 2.5% ABV.
In Scotland, beers were taxed according to strength in the 19th century. The weakest category, 60/-, was generally under 3.5% ABV.

In the United States, most reduced-alcohol beers, including Bud Light, Coors Light, and Miller Lite have 4.2% ABV. This is a 16% reduction in alcohol compared to beer that has 5% ABV. Also, some establishments are permitted to sell only reduced-alcohol beer. For example, in Colorado, Kansas, Minnesota, Oklahoma, and Utah, beer that is sold in supermarkets and convenience stores must have no more than 3.2% alcohol by weight (4% ABV). This low-alcohol beer is called "low-point beer" or "three-two beer". Minnesota has a full-service alcohol license that is available to retailers. It permits the sale of regular beer, but licenses permitting the sale of 3.2% beers are easier to obtain.

"Light beer" can also refer to beer that has a reduced calorie content, compared to regular beer. Reducing the calorie content of beer is done by a large reduction of its carbohydrate content and a small reduction of its alcohol content. Most beer of this kind is not significantly less intoxicating than regular beer, although Budweiser Select is labelled as having under 3.2% ABW, possibly to permit its sale in localities that have 3.2% beer laws. Beer Advocate suggests it actually contains 2.5% ABV, or 50% of the alcohol in a normal American-style non-light lager.

The calorie content of beers varies over a wide range:
  • Bud Light contains 110 calories per 12-ounce serving.
    Coors Light contains 102 calories.
    Miller Lite contains 96 calories.>>

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Sat Oct 01, 2011 3:18 pm

drollere wrote:point of english usage: "light" is *visible* electromagnetic radiation. the standard of light is the human eye and the radiation it can detect in most situations.
Not so. "Light" is a broad term with many definitions. It can quite properly refer to any electromagnetic radiation, or to only visible EM, or to EM that lies within a wavelength range where optical principles apply for analysis, detection, and control. That latter definition is probably the most commonly used in astronomy and physics.

Very few people working in optics would consider IR (even far IR) or UV anything other than "light".

Re: APOD: Asteroids Near Earth (2011 Oct 01)

by Chris Peterson » Sat Oct 01, 2011 3:15 pm

orin stepanek wrote:Wow!and they took away Pluto's planetary status because it hasn't cleared out it's orbital path. Looks to me like Mercury; Venus; Earth; and Mars hasn't either. :mrgreen:
It's a bit of an illusion- the scale of the drawing makes it impossible to see that the Earth's path is clear, as are the paths of the other inner planets. There is a broad swath around all the planets that is largely clear of other material (the same is true for Pluto, as it happens).

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