At one astronomical unit from the sun ( the Earth's distance ) the dust orbits are probably nearly circular.

At this moment, Loveless and Means arrived, crashing through the undergrowth with their horses, and distracted her, and she ran off a short distance and jumped into a crevice between two rocks.

At no great distance east of this rift-valley is Mount Kilimanjaro-with its two peaks Kibo and Mawenzi, the latter being, and the culminating point of the whole continent — and Mount Kenya, which is.

At a distance of from the Moon, the Scientific Instrument Module ( SIM ) bay cover was jettisoned.

At a distance of about from Earth, Ken Mattingly, the Command Module Pilot, performed a " deep-space " extra-vehicular activity, or spacewalk, during which he retrieved several film cassettes from the CSM's SIM bay.

At room temperature and pressure, barium has a body-centered cubic structure, with a barium – barium distance of 503 picometers, expanding with heating at a rate of approximately 1. 8 /° C.

At a distance of 30, 000 light-years, it has chains of stars extending to the north that are resolvable in small amateur telescopes.

At a distance of about 185, 000 light-years, the globular cluster NGC 7006 is extremely remote.

At the turn of the 20th century, Otto Stolz, Paul du Bois-Reymond, Giuseppe Veronese, and others produced controversial work on non-Archimedean models of Euclidean geometry, in which the distance between two points may be infinite or infinitesimal, in the Newton – Leibniz sense.

At that time, he kept his distance from his brother Pierre-Antoine Cousteau, a " pen anti-semite " who wrote the collaborationist newspaper Je suis partout ( I am everywhere ) and who received the death sentence in 1946.

At other times trains simply do not stop at the overcrowded station and go on to the next closest station, in places where there is another station within walking distance.

At that distance the individual rows of pixels merge into a solid.

At close range such large weapons were of little use, but an intact phalanx could easily keep its enemies at a distance ; the weapons of the first five rows of men all projected beyond the front of the formation, so that there were more spearpoints than available targets at any given time.

At a distance of 400 million light-years, this " butterfly-shaped " galaxy has two supermassive black holes 3, 000 light-years apart.

At a short distance from that city they unexpectedly encountered the Vitellian troops.

At other times the Premier's ministerial office is in the Executive Building a short distance down George Street.

At the same time, the initial wave front propagates away from the source through the space to the distance x to fit the same amount of oscillations, kx = ωt.

At a distance of 2. 44 billion light-years, it is one of the most distant objects directly observable with amateur equipment.

At common viewing distance, the separate sources are indistinguishable, which tricks the eye to see a given solid color.

At its estimated distance, this yields a physical size of about 74 times the radius of the Sun.

At Rigel's estimated distance, Rigel B is separated from its primary by over 2200 AU ( 12 lightdays ); not surprisingly, there has been no sign of orbital movement, though they share the same proper motion.

At gap junctions, cells approach within about 3. 5 nm of each other, rather than the 20 to 40 nm distance that separates cells at chemical synapses.

At the UCI Track World Championships, the distance for senior men is 1000 metres, hence the event's alternative name, the ' Kilo ', short for kilometer.

At the southern end of Tucana lies the Small Magellanic Cloud, a dwarf galaxy that is one of the nearest neighbors to the Milky Way galaxy at a distance of 210, 000 light-years.

At a distance of just under 12 light-years from the Solar System, it is a relatively nearby star.

At a rate of $3.22 an hour he is now earning approximately $580 a month.

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 end of the Apollo 16 crew's final full day in space, the spacecraft was approximately from Earth and closing at a rate of about.

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

At the front there said to be approximately 300 elite knights, commanded by general Clermont and accompanied by German mercenary pikemen.

At the same time, French lookouts on Heureux, the ninth ship in the French line, sighted the British fleet approximately off the mouth of Aboukir Bay.

At approximately 20: 30, Nelson was struck over his blinded right eye by an iron splinter fired in a langrage shot from Spartiate.

At its intersection with 78th Street, Broadway shifts direction, to continue directly uptown aligned approximately with the Commissioners ' grid.

At the present time, approximately one third < ref > of human generated emissions are estimated to be entering the ocean.

At approximately, the CNO cycle starts becoming the dominant source of energy.

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 approximately 8: 00 pm a warning light flashed in the cockpit, indicating that the aft airstair apparatus had been activated.

At approximately 8: 13 pm the aircraft's tail section sustained a sudden upward movement, significant enough to require trimming to bring the plane back to level flight.

At approximately 10: 15 pm Scott and Rataczak landed the 727, with the aft airstair still deployed, at Reno Airport.

At the time of granting of its charter, Eindhoven had approximately 170 houses enclosed by a rampart.

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 one point in the earliest 1940s, approximately half of all the pulp sf and fantasy magazines in the U. S. were being edited by Futurians: Frederik Pohl at the Popular Publications offshoot Fictioneers, Inc. ( Astonishing Stories and Super-Science Stories ); Robert Lowndes at Columbia Publications, most notably with Science Fiction and Future Fiction ( though through the decade to come, Lowndes's responsibilities would expand to other types of fiction magazine in the chain ), and Donald Wollheim at the very marginal Albing Publications with the short-lived, micro-budgeted Cosmic Stories and Stirring Science Stories ( Wollheim soon moved on to Avon Books ; Doë " Leslie Perri " Baumgardt also worked on a romance fiction title for Albing ).

At small scales, all reference frames that are in free fall are equivalent, and approximately Minkowskian.

At the top of the Grand Gallery there is a step giving onto a horizontal passage approximately long, in which can be detected four slots, three of which were probably intended to hold granite portcullises.

At its peak during the reign of Mursili II, the Hittite empire stretched from Arzawa in the west to Mitanni in the east, many of the Kaskian territories to the north including Hayasa-Azzi in the far north-east, and on south into Canaan approximately as far as the southern border of Lebanon, incorporating all of these territories within its domain.

At the same time, Frederick was engaged to the king's approximately seven-year old daughter, Agnes.

* At r approximately 3. 57 is the onset of chaos, at the end of the period-doubling cascade.

At its head, the Madeira on its own is still one of the largest rivers of the world, with a mean inter-annual discharge of, i. e. / yr, approximately half the discharge of the Congo River.

At 2500 stadia, approximately 283 miles, or 3. 6 °, north of Celtica, are a people Hipparchus called Celtic, but whom Strabo thinks are the British, a discrepancy he might not have noted if he had known that the British were also Celtic.