Since that time, the rate of crater production on Earth has been considerably lower, but it is appreciable nonetheless ; Earth experiences from one to three impacts large enough to produce a 20 km diameter crater about once every million years on average.

Since the Earth could be expected to have roughly the same cratering rate as the Moon, it became clear that the Earth had suffered far more impacts than could be seen by counting evident craters.

Since such life utilised strong nuclear forces instead of electromagnetic interactions, it was posited that life might function millions of times faster than typical on Earth.

Since the tropical rainforests are the most diverse ecosystems on Earth and about 80 % of the world's known biodiversity could be found in tropical rainforests, removal or destruction of significant areas of forest cover has resulted in a degraded environment with reduced biodiversity.

Since 1988, the group has also hosted Earth Celebration, which brings artists and enthusiasts from all over the world to Sado Island.

Since this occurs only when the Moon is on the far side of the Earth from the Sun, lunar eclipses only occur when there is a full moon.

Since life began on Earth, several major mass extinctions have significantly exceeded the background extinction rate.

Since Fjorgyn is not only the name of a goddess, but the feminine byname for Earth, it is relatively safe to assume that " mær ", in this case, means " daughter ".

Since the original definition of the metre was one-quarter of one ten-millionth of the circumference of the Earth ( along the great circle coincident with the meridian of longitude passing through Paris ), the circumference of the Earth is about 40, 000 km or about 200, 000 furlongs.

Since there is no conclusive or certifiable evidence on Earth or elsewhere in the known universe of other intelligent life after 13. 7 billion years of the universe's history, we have the conflict requiring a resolution.

Since these people would have to be descended from Adam, they would have had to travel to the other side of the Earth at some point ; Augustine continues:

Since the actual physical surface of the Earth is too complex for mathematical analysis two levels of abstraction are employed in the definition of these coordinates.

Since there is a very noticeable force of gravity acting between the Earth and any other nearby object, down is defined as that direction which an object moves in reference to the Earth when the object is allowed to fall freely.

Since the dawn of the Space Age, close observation by probes has found that Earth and the other planets share characteristics such as volcanism, hurricanes, tectonics, and even hydrology.

Since Alpha Centauri is the star system closest to Earth, it indicates that, in the altered timeline, the Romulans invaded Earth's stellar region, despite not even being prompted by Earth's role in the encouragement of interplanetary cooperation.

Since then, thousands of satellites have been launched into orbit around the Earth.

Since then, the normal modes of the Earth have given us some of the strongest constraints on the deep structure of the Earth.

Since human existence on Earth is said to be "

Since we see it nearly pole-on, its apparent luminosity from Earth is notably higher, about 57 times the Sun's value.

Since the space shuttle fleet has retired ( while Hubble still has many years of service life ahead ), there will be no existing or planned spacecraft capable of returning the Hubble to Earth intact, so it is now very unlikely it will ever be on the ground again.

Since Rhode Island at that time did not have such sanction, his opinion was not popular.

Since the great flood of these dystopias has appeared only in the last twelve years, it seems fairly reasonable to assume that the chief impetus was the 1949 publication of Nineteen Eighty-Four, an assumption which is supported by the frequent echoes of such details as Room 101, along with education by conditioning from Brave New World, a book to which science-fiction writers may well have returned with new interest after reading the more powerful Orwell dystopia.

Those famous lines of the Greek Anthology with which a fading beauty dedicates her mirror at the shrine of a goddess reveal a wise attitude: `` Venus, take my votive glass, Since I am not what I was, What from this day I shall be, Venus, let me never see ''.

Since it was issued in the spring of 1611, the King James Version has been most generally considered the most poetic and beautiful of all translations of the Bible.

Since she could not act, one part suited her as well as any other, and so she was the first person to offer Mr. Lincoln a glass of water, holding it up to the box, high above her head, to Miss Harris, who had asked for it.

Since ordinary breakfast-table conversation was impossible, it was at least something that they were able to offer Eugene the sugar bowl with their sugar in it, and the plate of bread and butter, and that Eugene could return the pitcher of hot milk to them handle first.

Since his Christ was to be life size, how was Mary to hold him on her lap without the relationship seeming ungainly??

Since the writer had established this democratic procedure in the beginning he had to go along with their decision -- after, of course, pointing out whether he thought their decision was a wise or an unwise one.

Since this type of item was not in the statute when section 381 was enacted in 1954, one cannot say with certainty what effect the enactment of that section should have.

Since writing was practiced in the Aegean before the end of the century, we may hope that the details of tradition will now be occasionally useful.

Since the strength of the Mexicans had been underrated, too small a posse had been collected, and since the deputy had not been provided with search warrants, MacPherson and his men decided it was much wiser to withdraw.

Since experience indicates that effluents from oxidation ponds do not create major problems at these BOD concentrations, the goal for the effluent quality of the accelerated treatment system was the same as from conventional oxidation ponds.

Since the psychiatric interview, like any other interview, depends on communication, it is significant to note that the therapist in this interview was a man of marked skill and long experience.

Since Fogg's was a one-man, one-plane flying service, this meant that he would have to do both trips, flying alone 600 miles a day, under sub-freezing temperature conditions.

Since the 1946 disaster there have been 15 tsunami in the Pacific, but only one was of any consequence.

Since a fall or blow might have caused it, a cold pack was usually first aid.

Since then he had worked at this and that, though some said his main interest was gambling.

Since 1949, the only National League club that got off to a hot start and made a runaway of the race was the '55 Dodger team.

Since Russian was being spoken instead of Spanish, there is no violation of artistry or logic here.

Since the organization was created thirteen years ago, it is obvious that this is not the original company ; ;

Since they did not glance curiously at us once, I guessed that there was a penalty for distraction.

Since 30 June 2012 when the last leap second was added, TAI has been exactly 35 seconds ahead of UTC.