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 the receiver of the ' _AddSlots :' primitive isn't indicated, it is " self ".

Since microvascular angina isn't characterized by arterial blockages, it's harder to recognize and diagnose, but its prognosis is excellent.

Since the client isn't generally aware of which server it spoke to earlier, content switches define a notion of stickiness.

Since the thread remains active but isn't performing a useful task, the use of such a lock is a kind of busy waiting.

Since " equalization " in the context of audio reproduction isn't used strictly to compensate for the deficiency of equipment and transmission channels, the use of high and low pass filters may be mentioned.

" Since we humans have the better brain, isn't it our responsibility to protect our fellow creatures from, oddly enough, ourselves?

Since mesotherapy isn't a surgical treatment but, rather, a non-invasive alternative to plastic surgery, the treatment competes with plastic surgery for the same patients.

Since the election of 2007, when his party won 41 seats ( they'd only won 5 as a result of the previous election ), the nickname " Super Mario " isn't always pejorative.

* Since common. js isn't a gadget, there is no place to declare its

Since 1995 the area code isn't restricted to a single town, but to larger areas.

Since the Qur ' an forbids alcohol consumption, the region isn't noted much for its wine.

Since the song in question, named " Pegepe ertebe ", was all about taking shots at Rambo's label PGP RTB it isn't surprising that it didn't appear on the next, or any subsequent album for that matter.

Since this isn't always possible, cross-platform guidelines may weigh the compliance against the imposed work load.

Since colons (:), semi-colons (;), pipes (|), and many other characters are also used, it can be quite challenging to find a character that isn't being used elsewhere.

Since 2001 he has been attending the Prague Conservatory ; he currently isn't accepting parts, although he frequently appears as a guest on television, especially on the Czech TV Prima.

Since Byomkesh isn't interested in cases involving petty thefts or murders as they don't provide much space to exercise his intelligence, most of the times he remains at home idling away his time in newspapers and his personal library.

Since talkback is usually edited out of master recordings, high fidelity isn't essential, and studios tend to cut budget corners when possible.

Since Earth is not a perfect sphere, the equator ( which is generally considered a spherical great circle ) is about 40, 075 km, while a north-south meridian line ( which is an ellipse ) is almost 40, 008 km.

Since mechanical systems try to find a state of minimum potential energy, a free droplet of liquid naturally assumes a spherical shape, which has the minimum surface area for a given volume.

Since spherical geometry violates the parallel postulate, there exists no such triangle on the surface of a sphere.

Since the lens is in the far field of any PSF spot, the field incident on the lens from the spot may be regarded as being a spherical wave, as in eqn.

Since 1983, he has served as a co-investigator for the Geophysical Fluid Flow Cell experiment which examines spherical rotating convection relevant to the atmospheres of stars and planets.

Since 2002, a further charity event has been held annually in July, which involves the rolling of over 30, 000 Jaffas ( spherical confectionery-coated chocolate confectionery ).

Since the spherometer is essentially a type of micrometer, it can be employed for other purposes than measuring the curvature of a spherical surface.