is deflection is therefore related to the motion of the
object, the motion of the Earth, and the latitude. For this reason,
the magnitude of the effect is given by 2 sin , in which is the
velocity of the object, is the angular velocity of the Earth, and
is the latitude.

The Coriolis effect has great significance in astrophysics and
stellar dynamics, in which it is a controlling factor in the
directions of rotation of sunspots. It is also significant in the
earth sciences,

especially meteorology, physical geology, and
oceanography, in that the Earth is a rotating frame of reference, and
motions over the surface of the Earth are subject to acceleration
from the force indicated. Thus, the Coriolis force figures
prominently in studies of the dynamics of the atmosphere, in which it
affects prevailing winds and the rotation of storms, and in the
hydrosphere, in which it affects the rotation of the oceanic
currents.

Excerpt from the Encyclopedia Britannica without permission.

A satellite is defined as any object that orbits any other object. Satellites
can be celestial, such as a moon orbiting a planet in the solar system, or a planet in the
solar system orbiting the sun.
Satellites can also be man-made. Man-made satellites are typically launched into
outer space from earth to collect data, photos and other information about Earth and all the many things that exist
around it.

From studying outer space and Earth’s atmosphere to tracking weather patterns
and acquiring intelligence, satellites illuminate us with vital information and
visual imagery that can not be captured in any other manner.

Stay up to date with the latest satellite system information and news.
Whether you’re interested in NASA and
the Mars Renaissance Orbiter, which was
the most recent satellite to visit the red planet, or the on-going global race
to further research and explore the moon, our diverse satellite images, articles
and other news features will expose you to distant places, planets and infinite
possibilities for learning more about this expansive galaxy we call home.

Begin your exploration of space today with our interactive features,
real satellite photos and informative articles below.

Atmospheric pressure and wind

Atmospheric pressure (or air pressure) is the weight of air resting on the earth's surface. Pressure is shown on a weather map, often called a synoptic map, with lines called isobars.

• 
  Low pressure occurs when air becomes warmer. The air molecules expand, become lighter and it rises. The pressure numbers on the isobars will be decreasing as it approaches the low pressure zone.
  
  
  


• 
  High pressure occurs when air becomes colder. The air molecules contract, become denser, heavier and sink towards the earth. The pressure numbers on the isobars will be increasing as it approaches the high pressure zone.

In Chapter 1, at 1^o, we have predictions of, for example, an annually ice free Arctic ocean. Yes, quite plausible and supported by the literature, and perhaps occurring a little sooner than expected. At 2^o, we have, "so whilst southern China can expect more flooding as the two-degree line is approached, the oceanic time lag means that it may take much longer for the rain-bearing summer monsoon to reach the drought-stricken north." Yes, certainly plausible based on the studies Lynas cites. At 4^o, we have "with global sea levels half a meter or more above current levels, [the Egyptian city of] Alexandria's long lifespan will be drawing to a close. Even in today's climate, a substantial part of the city lies below sea level, and by the latter part of this century a terminal inundation will have begun. … a rise in sea levels of 50 cm would displace 1.5 million people and cause $35 billion of damage." Alarmist? Hardly. A 50 cm rise in sea level, is well within the conservative IPCC projections, even for temperature rises less than four degrees.

At 5^o and 6^o, the book really does start to sound alarmist, with the analogy to Dante's Inferno – used to good literary effect throughout the book – coming very much to the fore. At five degrees, we have "an entirely new planet is coming into being – one largely unrecognizable from the Earth we know today. At six degrees, "… the pump is primed … not for flourishing palm trees in Alaska, but for the worst of all earthly outcomes: mass extinction."