Six astatine isotopes, with mass numbers of 214 to 219, are present in nature as the products of various decay routes of heavier elements, but neither the most stable isotope of astatine ( with mass number 210 ) nor astatine-211 ( which is used in medicine ) is produced naturally.

* 210: 951 Brownsville / Laredo / San Antonio, TX ( GTE ) ( deprecated, 951 is available for reassignment as of 2012.

It lies at an elevation of 1132 m ( 3717 ft ) on the right bank of the Ubaye River, and is surrounded by mountains which reach peaks of over 3000 m ; the tallest of these is the Needle of Chambeyron at 3412 m. Barcelonnette is situated 210 km from Turin, 91 km from Nice and 68 km from Gap.

BBC Red Button is also available on Sky in the Republic of Ireland through BBC One, Two, Three or Four on channels 141, 142, 210 and 211 respectively.

Its minaret is the world's tallest at 210 metres.

It is the shallowest of the Great Lakes with an average depth of 62 feet ( 19 m ) and a maximum depth of 210 feet ( 64 m ).

The filament voltage to ground is usually at a potential of 30 volts, while the grid voltage at 180 – 210 volts DC, unless there is an optional electron bombardment feature, by heating the grid, which may have a high potential of approximately 565 volts.

Away from the central bulge or outer rim, the typical stellar velocity is between 210 and 240 km / s ( about half-million mi / h ).

There, at the beginning of the rapids is the narrowest place of the river ( 210 m ).

The current mayor is a Christian. The greater Nazareth metropolis area had a population of 210, 000, including 125, 000 ( 59 %) Israeli Arabs and 85, 000 Jews ( 41 %).

< sup > 210 </ sup > Po ( half-life 138. 376 days ) is the most widely available.

< sup > 210 </ sup > Po is an alpha emitter that has a half-life of 138. 4 days ; it decays directly to its stable daughter isotope, < sup > 206 </ sup > Pb.

A few curies ( 1 curie equals 37 gigabecquerels, 1 Ci = 37 GBq ) of < sup > 210 </ sup > Po emit a blue glow which is caused by excitation of surrounding air.

However, it is the alpha particles, not the side effect of an occasional gamma ray, that results in < sup > 210 </ sup > Po decay.

< sup > 210 </ sup > Po ( in common with < sup > 238 </ sup > Pu ) has the ability to become airborne with ease: if a sample is heated in air to 55 ° C ( 131 ° F ), 50 % of it is vaporized in 45 hours, even though the melting point of polonium is 254 ° C ( 489 ° F ) and its boiling point is 962 ° C ( 1763 ° F ).< ref >

The blade was around 18 inches ( 55 cm ) long, on the end of a pole 6 or 7 feet ( 180 – 210 cm ) long However, instead of having a tang like a sword or naginata, the blade is affixed in a socket-shaft configuration similar to an axe head, both the blade and shaft varying in length.

δ Serpentis, also in the head, is a double star 210 light-years from Earth.

The total area is and the population totalled 22, 210 in 2009.

Alpha particles have a typical kinetic energy of 5 MeV ( that is, ≈ 0. 13 % of their total energy, i. e. 110 TJ / kg ) and a speed of 15, 000 km / s.

Averaging at least 1. 6 km thick, the ice is so massive that it has depressed the continental bedrock in some areas more than 2. 5 km below sea level ; subglacial lakes of liquid water also occur ( e. g., Lake Vostok ).

The McMurdo – South Pole Highway is a 900-mile ( 1450 km ) road in Antarctica linking the United States McMurdo Station on the coast to the Amundsen – Scott South Pole Station.

Helicopter pads are available at 27 stations ; runways at 15 locations are gravel, sea-ice, blue-ice, or compacted snow suitable for landing wheeled, fixed-wing aircraft ; of these, 1 is greater than 3 km in length, 6 are between 2 km and 3 km in length, 3 are between 1 km and 2 km in length, 3 are less than 1 km in length, and 2 are of unknown length ; snow surface skiways, limited to use by ski-equipped, fixed-wing aircraft, are available at another 15 locations ; of these, 4 are greater than 3 km in length, 3 are between 2 km and 3 km in length, 2 are between 1 km and 2 km in length, 2 are less than 1 km in length, and data is unavailable for the remaining 4.

Even the knowledge that she was losing another boy, as a mother always does when a marriage is made, did not prevent her from having the first carefree, dreamless sleep that she had known since they dropped down the canyon and into Bear Valley, way, way back there when they were crossing those other mountains.

Bryn Mawr Drive is only two or three miles from the Spartan, and it took me less than five minutes to get there.

The true artist is like one of those scientists who, from a single bone can reconstruct an animal's entire body.

This is puzzling to an outsider conscious of the classic tradition of liberalism, because it is clear that these Democrats who are left-of-center are at opposite poles from the liberal Jefferson, who held that the best government was the least government.

But apart from racial problems, the old unreconstructed South -- to use the moderate words favored by Mr. Thomas Griffith -- finds itself unsympathetic to most of what is different about the civilization of the North.

The Bourbon economic philosophy, moreover, is not very different from that of Northern conservatives.

It is noteworthy that the majority of the delegates to the Congress were from the less developed, former colonial nations.

Today, as new nations rise from the former colonial empires, nationalism is one of the hurricane forces loose in the world.

To him, law is the command of the sovereign ( the English monarch ) who personifies the power of the nation, while sovereignty is the power to make law -- i.e., to prevail over internal groups and to be free from the commands of other sovereigns in other nations.

And Bill Wisman, forty-three, a farmer's son from Beallsville, Ohio, is a quiet but impressive man.

In point of fact, this is a beige box with a bright red door, about one and a half feet square and hung from the wall about six feet from the door to Wisman's right.

from downstream, where the water level is much lower, it is a high, elaborately facaded pavilion.

Here, on the hottest day, it is cool beneath the stone and fresh from the water flowing in the sluices at the bottom of the vaults.

Since it is not far from Viareggio, he will visit Puccini's house, as he never fails to do, to pay his respects to the memory of the composer of La Boheme, which he considers one of Puccini's masterpieces.

`` I have just come from viewing a man who had made the fortune of his country, but now is working all night in order to support his family '', he reflected.

It is interesting, however, that despite this strong upsurge in Southern writing, almost none of the writers has forsaken the firmly entrenched concept of the white-suited big-daddy colonel sipping a mint julep as he silently recounts the revenue from the season's cotton and tobacco crops ; ;

A new South is emerging after the post-bellum years of hesitation, uncertainty, and lack of action from the Negro in defining his new role in the amorphously defined socio-political organizations of the white man.

If his dancers are sometimes made to look as if they might be creatures from Mars, this is consistent with his intention of placing them in the orbit of another world, a world in which they are freed of their pedestrian identities.

Though he is also concerned with freeing dance from pedestrian modes of activity, Merce Cunningham has selected a very different method for achieving his aim.

The fact is that the Southern Confederacy differed from the earlier one almost as much as the Federal Constitution did.

For the family is the simplest example of just such a unit, composed of people, which gives us both some immunity from, and a way of dealing with, other people.