At the fifteenth magnitude, Af, and at the twenty-fifth magnitude, Af.

At magnitude 5. 5, it is only 1 / 370th as bright visually as Antares A, although it shines with 170 times the Sun's luminosity.

At room temperature the magnitude of this fractionation is roughly 0. 25 ‰ ( 0. 025 %) per atomic mass unit ( AMU ).

At magnitude 9, it is visible in medium amateur telescopes.

At least 100 aftershocks registering a 6. 0 magnitude or higher have followed the main temblor.

At first, as the electric field increases in magnitude, no change in alignment occurs.

At atomic scale, it is about 100 times stronger than electromagnetism, which in turn is orders of magnitude stronger than the weak force interaction and gravitation.

At distances around 10 < sup >− 18 </ sup > meters, the weak interaction has a strength of a similar magnitude to the electromagnetic force ; but at distances of around 3 × 10 < sup >− 17 </ sup > m the weak interaction is 10, 000 times weaker than the electromagnetic.

* November 24 – At least 3, 840 are killed in a Richter scale magnitude 7. 3 earthquake of Van and Muradiye in Turkey.

At first the output was insignificant, but gradually the magnitude of the operations was enlarged until the competition became effective, and steel traders generally became aware that the firm of Henry Bessemer & Co. was underselling them to the extent of UK £ 10 -£ 15 a ton.

At magnitude 10. 7, the asteroid will not be visible to the naked eye, but may be visible to experienced observers using high-end binoculars.

At least 1 in 18 stars brighter than 9. 0 magnitude in the northern half of the sky are known to be double stars visible with a telescope.

At any given point on the Earth's surface, the magnitude and direction of the wind would vary with time of day and season.

At 1: 53 p. m. on June 16, 2005, Yucaipa experienced a magnitude 4. 9 earthquake centered four miles ( 6 km ) north of the center of town.

At the time of its conception, Longview was the only planned city of its magnitude to have ever been conceived of and built entirely with private funds.

At the time of its discovery, the comet was shining at magnitude 11. 0 and had a coma approximately 2. 5 arcminutes across.

At Oxford he extended the Cape observations of stars to the 7th magnitude from 25 ° S declination to the equator, and collected the results in the Radcliffe catalogue for 1890, which contains the places of 6, 424 stars.

At a distance of 10. 5 light years ( ly ), it has an apparent magnitude of 3. 73.

At a distance of approximately 7. 8 light years from the Earth, it has an apparent magnitude of 13. 5 and can only be seen with a large telescope.

At an apparent magnitude of 9. 59, this galaxy can be readily observed using a small telescope with a aperture.

" And: " At 2310 UT on August 3, 1973, a magnitude 2. 6 earthquake occurred at BML ".

At 3: 32 in the morning of 6 April, 2009, the Abruzzo region of central Italy was rocked by a magnitude M 6. 3 earthquake.

At birth, normal infants have AFP levels 4 or more orders of magnitude above this normal range, that decreases to a normal range over the first year of life.

At present, techniques to establish the realization of an ampere have a relative uncertainty of approximately a few parts in 10 < sup > 7 </ sup >, and involve realizations of the watt, the ohm and the volt.

At the command of Moses he stretched out his rod in order to bring on the first of three plagues ( Exodus 7: 19, 8: 1, 12 ).

At approximately 7: 15 on March 31, 2007 the AMPS / TDMA network ceased to function.

At the same time annual inflation in the economy was variable and during the last five years ( 2003 – 2007 ) has seen a low of 2. 3 % and high of 7. 3 %.

At that time, Sloane's collection consisted of around 71, 000 objects of all kinds including some 40, 000 printed books, 7, 000 manuscripts, extensive natural history specimens including 337 volumes of dried plants, prints and drawings including those by Albrecht Dürer and antiquities from Egypt, Greece, Rome, the Ancient Near and Far East and the Americas.

At that same period it was responsible for 17. 7 percent of goods and services imported by Cyprus.

He uses the Latin " Cogito ergo sum " in the later Principles of Philosophy ( 1644 ), Part 1, article 7: "" At that time, the argument had become popularly known in the English speaking world as " the '' argument ", which is usually shortened to "" when referring to the principle virtually everywhere else.

* 1990 – At Detroit Metropolitan Airport, Northwest Airlines Flight 1482 collides with Northwest Airlines Flight 299 on the runway, killing 7 passengers and 1 crew member aboard flight 1482.

At approximately 7: 40 pm the 727 took off with only Cooper, pilot Scott, flight attendant Mucklow, copilot Rataczak, and flight engineer H. E. Anderson aboard.

At mid-century Dewey believed that progressive education had “ not really penetrated and permeated the foundations of the educational institution .”( Kohn, Schools, 6, 7 ) As the influence of progressive pedagogy grew broader and more diffuse, practitioners began to vary their application of progressive principles.

At each end is a goal 2. 14 m ( 7 feet ) high and 3. 66 m ( 12 ft ) wide measured from the inner sides of the posts and crossbar, and an approximately semi-circular area 14. 63 m ( 16 yd ) from the goal known as the shooting circle ( or D or arc ), bounded by a solid line, with a dotted line 5 m ( 5 yd 6 in — this marking was not established until after metric conversion ) from that, as well as lines across the field 22. 90 m ( 25 yd ) from each end-line ( generally referred to as the 23 m lines ) and in the center of the field.

At the high end of the scale, fingerspelling makes up about 8. 7 % of casual signing in ASL, and 10 % of casual signing in Auslan.

At the July 2008 election the NDC won a comfortable 7 seat majority over the government of former Prime Minister Keith Mitchell.

At Jupiter, the outboard ( 11 m ) set of sensors could measure magnetic field strengths in the range from ± 32 to ± 512 nT, while the inboard ( 6. 7 m ) set was active in the range from ± 512 to ± 16, 384 nT.

At the Professional Developers Conference ( PDC ) 2008, Microsoft also announced Windows Server 2008 R2, as the server variant of Windows 7.

At 3000K, the degree of dissociation is only 7. 85 %:

At 135 for 7 an innings defeat looked almost certain.

At the beginning of the 2012 season Sporting started a perfect 7 – 0 – 0, and with the new addition of players such as Bobby Convey the team has remained on top of the league, setting an MLS record for most minutes played without allowing a shot on goal.

At that time, the army was organised into 11 Border Defence and 4 Security Zones, one regime security brigade, 10 Tank Battalions, 10 Mechanized Infantry Battalions, 18 Infantry Battalions, 6 Commando Battalions, 22 Artillery Battalions, 4 SSM Brigade and 7 Air Defence Artillery Battalions.

At the US Open, Hewitt lost in the quarterfinals to Juan Carlos Ferrero, 6 – 4, 3 – 6, 6 – 7 ( 5 ), 1 – 6.

At the 2006 Legg Mason Tennis Classic in Washington, D. C., Hewitt was defeated by Arnaud Clément, 6 – 7 ( 1 ), 4 – 6, in a quarterfinals, after defeating Vincent Spadea in the second round and Denis Gremelmayr in the third round.

At the 2007 Australian Open, Hewitt lost in the third round to tenth-seeded Chilean and eventual runner-up Fernando González, 2 – 6, 2 – 6, 7 – 5, 4 – 6.

At pH 4. 8, the interior of the lysosomes is acidic compared to the slightly alkaline cytosol ( pH 7. 2 ).

At the end of Infinite Crisis # 7, Luthor oversees Alexander's execution at the hands of the Joker.

" Speaking at the opening of the Michael Reagan Center in Spring, Texas, October 7, 2005, Michael said, " At 8 years old, I thought I was going to hell.