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Posted by : Unknown Wednesday 31 July 2013













Google Earth

Google Earth is a free software which allows you to explore detailed aerial photos and satellite
imagery of planet Earth. Google Earth is easy to use and consists of both professional
and community-based contributions. It is undisputedly the best free mapping software
available today.

Learn mouse gestures for easy navigation

Google Earth is fairly easy to navigate on a laptop trackpad but using a mouse with a scrollwheel
makes a whole world of difference. Navigating with a scroll-wheel allows for quick
and controlled zooming in and zooming out. Also, holding down the scroll-wheel button
lets you tilt the world around, and holding down the rightmouse button turns your
mouse into a virtual joystick which lets you freely zoom-in and out with ease.

Adjust orientation to due north

If you went overboard with the mouse and now your worlds all messed up and upsidedownsimply clicking on the N in navigation controls will set you right. Just pressing the [N] key on the keyboard works
just as well.

Go back in time

The Historical Imagery button, i.e. the clock button in the toolbar allows you to turn
back time and take a look at what Earth used to look like. This gives you a slider which
you can adjust to view images of the Earth dating back to the 1930’s. This is especially handy
if you want to compare images of Earth before and after major events occurred in the past.

Zoom Smoother

Victims of slow internet connections and weak machines will find that quickly zooming-in
and out is laggy and the imagery takes forever to process, an issue faced by many. In this
case, it might be a good idea to go ahead and increase the cache size of stored images. At the cost
of using more of your memory/ hard disk space, zooming is considerably faster and
smoother. This also improves the speed at which layers load, including 3D models. The
cache size can be increased by accessing the Tools menu and then selecting Options… and
selecting the Cache tab.

Set a starting location

The Earth is pretty big, and it’s easy to get lost exploring it. It happens to the best of us, and
nobody blames you. So, if you do find yourself lost with no clue as to where you are, simply doubleclick
on the Primary Database in the layers section. This automatically sets you to 0 N 0 E,
which is Google Earth’s default starting location. Additionally, you can set your own starting location.
After setting the view that you want when you open Google Earth, the ‘Make this my
start location’ option in the View menu will place a marker called Starting Location which can be found under My Places. Double-clicking this marker will return you toyour start location.

Use Google Earth for Research

Google Earth has many layers devoted exclusively to science and information. Additionally,
under the More Layers submenu, the Wikipedia layer can be turned on at any time. This
provides users with a short Wikipedia article related to the specified location. Furthermore, under the Photos Layer sub-menu, 360cities is an inter-An app like Pixlr has some interesting options for you to try esting layer which takes users.











into hi-res interact-able photos for close-up views of places. The huge amounts of information
stored in these layers is quite staggering. The Ocean, Gallery and Global Awareness
layers contain all kinds of material relating to general and scientific topics, and current
events. From text and images contributed by NASA, to audio and video content from
National Geographic and Discovery, it’s very easy to drown in this sea of information. And
this is only scratching the surface of the abundance of information that Google Earth
readily offers its users. However, having ALL of those layers on at once is not advisable,
especially layers which work in real time, i.e., layers like Weather and Traffic. You will find that
Earth will literally slow down. If you do find yourself in a position where you’ve got too many
layers active, simply uncheck the Primary Database, take it slow, and proceed to turn only layers
you need on. You’ll thank yourself later for doing this.













Try the flight simulator

Google Earth has its very own flight simulator! This can be accessed through the Enter Flight Simulator option in the Tools menu. At the interface, you choose your aircraft and pick a location to start at,
which could be any airport in the world. The controls take a little getting used to, but once you get the hang of it, it’s quite addictive. Take to the Sky, or the Moon, or do you fancy Mars? If you get bored of looking
down at Earth, you can always switch things up and look up to the skies. Google Earth lets you observe celestial objects and constellations, complete with images and videos provided by NASA. It doesn’t end with the Sky though - you could go beyond the skies and go visit Mars, and the Moon, and maybe
take a tour or two about the historic Apollo program. Access this feature by clicking on the
button with an image of Saturn on it in the toolbar. Google Earth has no shortage
of places to explore and visit. The Layers database and information is constantly being updated
and new content is added on a regular basis, so don’t stop exploring and look out for newer
features in the future.




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