During a total solar eclipse, the solar corona can be seen by the naked eye.

During a solar eclipse, the Moon can sometimes perfectly cover the Sun because its size is nearly the same as the Sun's when viewed from the Earth.

During solar proton events, ionization can reach unusually high levels in the D-region over high and polar latitudes.

During the " The Dark Phoenix Saga ", Phoenix becomes overwhelmed and corrupted by her first taste of evil and transforms into a force of total destruction, called " Dark Phoenix ", consuming a star, inadvertently killing the inhabitants of the star's solar system, and jeopardizing the entire universe.

During the daytime the solar wind presses this layer closer to the Earth, thereby limiting how far it can reflect radio waves.

During a solar maximum, the Earth's atmosphere causes drag up to a hundred kilometres higher than during a solar minimum.

During the later periods of Roman history, sun worship gained in importance and ultimately led to what has been called a “ solar monotheism .” Nearly all the gods of the period were possessed of solar qualities.

During the experiment, both spacecraft were going to be on the same idealized magnetic field spiral carried out from the sun by the solar wind.

During the solar cycle, as shown in the sequence of images at right, at times the Sun is almost X-ray dark, almost an X-ray variable.

During solar eclipses, stars close to the Sun were mistaken for planets.

During his term as President of ENEA ( 1999 – 2005 ) he has developed a novel method for concentrating solar power at high temperatures for energy production, known as the Archimede Project, which is presently being developed by industry for commercial use.

During the Amarna period, this synthesis was seen as the invisible source of energy of the sun god, of which the visible manifestation was the Aten, the solar disk.

During the formation of the Solar System, there were probably many more " terrestrial " planetesimals, but they have all merged with, been destroyed by, or been ejected by the four remaining worlds in the solar nebula.

During the new moon and solar eclipse of February 4 — 5, 1962, an extremely rare great conjunction of the classical planets occurred ( it included all five of the naked-eye planets plus the Sun and the Moon ), all of them within 16 degrees of one another on the ecliptic.

During the launch ceremony, a space war fleet from an alien race of humanoid giants arrives into the solar system and identifies the Macross as a former battleship used by their enemies, the Supervision Army.

During a major space weather event which includes a burst of solar energetic particles, the flux can increase by one to several orders of magnitude.

During the termination phase of the mission, a " windmill experiment " was performed: Atmospheric molecular pressure exerts a torque via the then windmill-sail-like oriented solar cell wings, the necessary counter-torque to keep the sonde from spinning is measured.

During this time it gradually fell into disrepair, with most of the buildings dismantled to build nearby farmhouses in the 1660s, but leaving the solar tower intact.

During forthcoming solar storms, this could result in blackouts and disruptions in artificial satellites.

During the main phase of a geomagnetic storm, electric current in the magnetosphere create magnetic force which pushes out the boundary between the magnetosphere and the solar wind.

During solar events and geomagnetic storms, the system gave navigators information that is inaccurate by as much as several miles.

During that encounter the solar panels could not be used since the craft was in the planet's shadow, where it would not receive any solar light for 15 minutes, causing a dangerous shortage of power.

During refueling Cooper outlined his flight plan to the cockpit crew: a southeast course toward Mexico City at the minimum airspeed possible without stalling the aircraft ( approximately ) at a maximum altitude.

During the standards committee battle over whether the " minimum trip count " for the FORTRAN 77 < CODE > DO </ CODE > statement should be zero ( allowing no execution of the block ) or one ( the " plunge-ahead " < CODE > DO </ CODE >), another facetious alternative was proposed ( by Loren Meissner ) to have the minimum trip be two — since there is no need for a loop if it is only executed once.

During the execution of such a critical section, all interrupt handlers that cannot execute safely within a critical section are blocked ( they save the minimum amount of information required to restart the interrupt handler after all critical sections have exited ).

During the reforms of Sulla in 81 BC, the minimum age for a quaestorship was set at 30 for patricians and at 32 for plebeians, and election to the quaestorship gave automatic membership in the Senate.

During walking, the center of mass reaches a maximum height at midstance while during running, it is at a minimum.

During the Devonian, maximum xylem diameter increased with time, with the minimum diameter remaining pretty constant.

During this time, however, the court was divided 4-4 following the initial conference call because Associate Justice Harlan Fiske Stone, one of the three liberal justices who continuously voted to uphold New Deal legislation, was absent due to an illness ; with this even division on the Court, the holding of the Washington Supreme Court, finding the minimum wage statute constitutional, would stand.

During each heartbeat, blood pressure varies between a maximum ( systolic ) and a minimum ( diastolic ) pressure.

During his House tenure, he also expressed his support for price controls, a higher minimum wage, the Marshall Plan, and aid to Turkey and Greece ; he opposed the House Un-American Activities Committee, the Taft – Hartley Act, and the Twenty-second Amendment.

During these 3 years, every student has to validate a minimum 4 months stay abroad, by a semester in a foreign partner university or by an abroad internship.

During the cooler winter months rainfall is at a minimum, with Xalapa receiving only 42 millimetes in January and 38 millimetres in February on average.

During the AFL's early history, when the federation remained as apolitical as possible, state feds were the legislative dynamos — lobbying for workers ' compensation, unemployment insurance, child labor laws and the minimum wage.

During his work, Sowell discovered an association between the rise of mandated minimum wages for workers in the sugar industry of Puerto Rico and the rise of unemployment in that industry.

During a solar minimum, the decrease in ultraviolet light received from the Sun leads to a decrease in the concentration of ozone, allowing increased UVB to penetrate to the Earth's surface.

During his formative years Trenchard struggled academically, failing many examinations and only just succeeding in meeting the minimum standard for commissioned service in the British Army.

During Systole, the LV contracts and ejects blood until it reaches its minimum capacity known as End Systolic Volume ( ESV ), it does not empty completely.

< li > During the illness, delusions or hallucinations were present for a minimum of two weeks, without major mood symptoms .</ li >

During his tenure in these two positions, Regan also pushed hard for an end to minimum fixed commissions for brokers, which were fees that brokerage companies had to charge clients for every transaction they made on the clients ' behalf ; Regan saw them as a cartel-like restriction.

During summer ( December to February ), the average maximum temperature is 27 ° C ( 80 ° F ) with an average minimum temperature of 19 ° C ( 66 ° F ).

During a naval conference of 1927 in Geneva, negotiations broke down after the United States refused to agree to the British argument that Britain needed a minimum of seventy cruisers to adequately defend the British Empire and its trade and communications.

During his tenure, he implemented the Family and Medical Leave Act ( FMLA ), successfully promoted increasing the minimum wage, successfully lobbied to pass the School-to-Work Jobs Act, and launched a number of job training programs.

" During this period, parole agents went and visited Puente, who had been ordered to stay away from the elderly and refrain from handling government checks, a minimum of fifteen times at the residence.