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Showing posts with the label Satellite Imagery

The Future of Earth - Global Warming

Video - The Future of Earth with Global Warming
Abbreviated version of the visualization 'Heating Up,' which depicts climate model projection of 21st century global temperatures. Credit:NASA Scientific Visualization Studio.

“Do we think about the aerosol propellant in our underarm deodorant every day?” Gavin Schmidt, climatologist and director of The Goddard Institute for Space Studies (GISS), asked me. “I don’t think we even have aerosols anymore,” I answered, wondering where he was going with this.

“That’s the point,” he continued, “and nobody cares. Nobody cares where your energy comes from; nobody cares whether your car is electric or petrol. People confuse energy supply with where the energy is supplied from.” He was trying to make the point that as long as people have the things they want, it doesn’t matter, to the vast majority of us, how we get them. This means that as long as the light switch still turns on the lights, most people would barely notice if we were to shif…

Spectacular Drone Video Footage - Maasai Mara Wildebeest Migration

Last year, I embarked on an unforgettable 19 000km adventure that will stay with me for a very long time. I crossed the African continent alone on a motorcycle. The journey took about 6 months, as I took my time to learn more about the 15 African countries I was travelling through .





I tried to help where I could, particularly with charities for children and wildlife conservation. I also captured many images, many of which are on the Facebook page of Two Wheels Across and documented the entire journey in videos for my Youtube channel.









One of the exciting parts of my adventure was Casper the friendly drone, a Quadcopter that I used as often as I could to capture the beauty of Africa from the air.





I am excited to share one of the videos I filmed with you. I was fortunate to be in Kenya’s Maasai Mara during the migration and I captured the river crossing from the air. I also danced with an elephant, ran with wildebeests and kept three lions company for a few minutes. I hope you will enjoy…

SpaceX Rocket Science for Beginners

SpaceX has a new rocket... Its called the Bird 9...




Imgur.com

Satellite Image - The Nile Illuminated at Night

acquired October 28, 2010download large image (606 KB, JPEG, 1440x960) One of the fascinating aspects of viewing Earth at night is how well the lights show the distribution of people. In this view of Egypt, we see a population almost completely concentrated along the Nile Valley, just a small percentage of the country’s land area.
The Nile River and its delta look like a brilliant, long-stemmed flower in this astronaut photograph of the southeastern Mediterranean Sea, as seen from the International Space Station. The Cairo metropolitan area forms a particularly bright base of the flower. The smaller cities and towns within the Nile Delta tend to be hard to see amidst the dense agricultural vegetation during the day. However, these settled areas and the connecting roads between them become clearly visible at night. Likewise, urbanized regions and infrastructure along the Nile River becomes apparent (see also The Great Bend of Nile, Day & Night.)
Another brightly lit region is vis…

2014 - Satellite Imagery - Arabian Ramadan and Eid at Night

acquired 2012 - 2014download large image (1 MB, JPEG, 3099x3323) In December 2014, scientists using a NASA-NOAA satellite announced that they had detected significant changes in the amount and distribution of nighttime lighting during holiday seasons in the Middle East and North America. For instance, nighttime lights in some Middle East cities were 50 to 100 percent brighter during the holy month of Ramadan.


The maps on this page show changes in lighting intensity and location on the Arabian Peninsula and in the countries along the eastern Mediterranean coast. They are based on data from the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite. The maps compare the night light signals from the months of Ramadan in 2012–2014 (parts of July and August in these years) to the average light output for the rest of 2012 to 2014.


Green shading marks areas where light usage increased during the holy days; yellow marks areas with little change; and red marks areas whe…

A History of the Landsat Science Satellite

Landsat 1 • Landsat 2 • Landsat 3 • Landsat 4 • Landsat 5 • Landsat 6 • Landsat 7 • Landsat 8
From the Beginning “The Landsat program was created in the United States in the heady scientific and exploratory times associated with taming the atom and going to the Moon,” explains Dr. John Barker. In fact, it was the Apollo Moon-bound missions that inspired the Landsat program. During the early test bed missions for Apollo, photographs of Earth’s land surface from space were taken for the first time.






“This photography has been documented as the stimulus for Landsat,” explains Dr. Paul Lowman, who proposed the terrain photography experiment for the last two Mercury missions, the Gemini missions, and the Apollo 7 and 9 missions.



Thor-Delta rocket prepared to launch Landsat 1, 1972.
In 1965, director of the U.S. Geological Survey (USGS), William Pecora, proposed the idea of a remote sensing satellite program to gather facts about the natural resources of our planet. Pecora stated that the pr…

The Florida Peninsula at Night from Space

Astronauts aboard the International Space Station took this photograph of Florida in October 2014. The peninsula is highly recognizable even at night, especially when looking roughly north, as our map-trained brains expect.


Astronaut photograph ISS041-E-74232 was acquired on October 13, 2014, with a Nikon D3S digital camera using a 24 millimeter lens, and is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center. The image was taken by the Expedition 41 crew. It has been cropped and enhanced to improve contrast, and lens artifacts have been removed. The International Space Station Program supports the laboratory as part of the ISS National Lab to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photograph…

Digital Town Planning by Night

“Here!” exclaimed Jebediah as he nosed his schooner onto a fan of fertile loam. Come sundown, a makeshift corral encircled his livestock, and by Sabbath eve, the crown of a crude barn rose above the neighboring hummock.


Next spring, a steady procession of ships yielded a healthy crop of farmhouses. Wagon wheels burned a double track to the river landing, where itinerant capitalists soon repurposed a cluster of spartan shacks:


Dispell ill humours at Rodger’s Saloon!

 Satisfy your homestead needs with Trusty Mercantile!

 Every fifth horseshoe free at The Irony!


Forthwith straightened and graded, Main Street ran east to west, land astride platted into tidy rectangles. Soon, Washington and Jefferson joined in parallel, crossed at even intervals by perpendicular First, Second, and Third Streets.


A crystal in saturated solution, this grid grew: shooting southeast into open country along Telegraph Road, doglegging left around Miller’s Swamp, and crossing the river at Monroe Street Bridge, …

Amazing Timelapse Indicating Climate Change

Global Climate Change and Urbanization create wonderful Earth timelapses seen from Space... Dubai - Columbia Glacier - Brazilian Amazon - Saudi Arabia - Las Vegas - Wyoming ...















Tugela Ferry - Msinga - Muden - Weenen - Job Creation - Skills Development

Geotechnical Investigations - Compaction Testing - Mod AASHTO - Soil Grading Analysis - Atterberg Limits - DCP Testing - Concrete Cube Crushing - Concrete Strength Testing - Block Strength Testing - Water Quality Testing...
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Durban - Pietermaritzburg - Newcastle - Harrismith - Johannesburg - Pretoria - Bloemfontein - Bethlehem - QwaQwa - Kestel - Reitz - Vereeninging - Ladysmith - Dundee - Estcourt - Glencoe - Vryheid - Greytown - Muden - Colenso - Winterton - Bergville - Drakensberg

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