look at earth in 3d

The cameras used on Landsat satellites are extremely complex. They use a process called remote sensing, in which the cameras scan the earth to look for different patterns of radiatio..

Introduction - For thousands of years people have looked up at the stars and wondered what lay beyond them. It was once believed that the earth was the center of the universe and that everything moved around it. It was later discovered that the earth moves around the s..

Polar orbits are used to watch the earth. They are the planes perpendicular to equatorial plane. Satellites in polar orbit are low enough to collect the information about earth in detail. Low earth orbit is the easiest and cheapest to reach, lying just above the atmo..

Mercury is the smallest planet in the solar system and it is nearest to the sun. It is a bare, rocky planet not much larger than our moon. There is no water or air on mercury. By day it is hotter than the hottest desert. At night, it is freezing cold. The ground is covered with craters formed by th..

A star is a dense cloud of hydrogen and helium gas contracting under its own gravitational pull. In all the stars hydrogen atoms are continuously converted into helium atoms and this process is accompanied by a large amount of energy. This energy is radiated in the form of heat and light. The stars..

The cameras used on Landsat satellites are extremely complex. They use a process called remote sensing, in which the cameras scan the earth to look for different patterns of radiation. The Landsat cameras view the earth both in visible light, and also in infrared radia..

Remote Sensing - The cameras used on Landsat satellites are extremely complex. They use a process called remote sensing, in which the cameras scan the earth to look for different patterns of radiation. The Landsat cameras view the earth both in visible light, and also ..

When light passes through a substance or gas, a part of it is absorbed and the rest scattered away. The basic process in scattering is absorption of light by the molecules followed by re-radiation in different directions. The strength of scattering can be measured by the loss of energy in the light..

Milky way is the galaxy that includes the sun, the earth and the rest of our solar system. It also includes huge clouds of dust particles and gases that lie throughout it and depths of interstellar space. The term Milky Way also refers to the portion of the Milky Way galaxy that can be se..

Evolution and Classification - In spite of many evidences, studies and theories, we are still not aware of how the evolution actually occurs. If we go backwards at some point in the history of the earth it would have consisted of only the basic elements, the non-living materials like the ..