Politik

Den nya rymdrevolutionen: svärmar av minatyrsatelliter samtidigt som USA lyfter restriktioner på satellitbilder

nanosat

Som allt annat som innehåller elektronik så håller rymdsatelliterna på att miniatyriseras. Från att ha krävt en gigantisk raket för att skjuta upp en enda satellit så är den nya generationens satelliter så små att man kan hålla en i handen. Lägg märke till den helt vanliga mobilen i höger hörn på bilden. Och då är det en av de större av de nya miniatyrsatelliterna.

Samtidigt lyfter de amerikanska myndigheterna nu en del av sina restriktioner på hur detaljerade satelliterbilder som läggs ut på webben får vara. Som BBC skriver: US lifts restrictions on more detailed satellite images

Sites like Google and Bing Maps will be able to use higher-quality satellite images, thanks to US government restrictions being lifted.

Companies had not been allowed to make use of images where features smaller than 50cm were visible.

But one imaging firm, Digital Globe, said it would be able to sell images that showed features as small as 31cm.

One lawyer told the BBC he expected “repercussions” from people worried about their privacy.

Marc Dautlich, from Pinsent Masons, said there may be “national security considerations” to address as well.

Currently, some sensitive locations around the world are obscured or blurred on mapping websites.

The decision was made after Digital Globe applied to the US Department of Commerce asking for restrictions to be lifted.
‘Manholes and mailboxes’

Digital Globe said new satellites would be launched to take advantage of the ruling.

The company’s Worldview-3 satellite is due to launch in August and will be able to show “key features such as manholes and mailboxes”.

“In the past, collecting sub-50cm resolution required chartering and flying aircraft,” the company said.

“This is expensive, time-consuming, and can be limited by denied airspace or dangerous conditions.”

Den här utvecklingen har lett till Google till att köpa upp satellitföretag Google buying Skybox satellite company to boost maps

Economist skriver om de nya pyttesmå satelliterna: Nanosats are go! Small satellites: Taking advantage of smartphones and other consumer technologies, tiny satellites are changing the space business

Many of these 94 satellites were built in a standard format known as a CubeSat, a 10cm (4 inch) cube weighing 1.3kg (2.9lb) or less. Some comprised units of two or three cubes. After a decade of fits and starts, during which some 75 CubeSats were launched, satellites of this scale and other small satellites are moving from being experimental kit to delivering useful scientific data and commercial services.In the next five years or so some 1,000 nanosats, as small satellites of 1-10kg are called, are expected to be launched. Some will be smaller than a CubeSat; others bigger and heavier. Some are like a matryoshka doll: the Russian launch included a satellite that launched eight smaller ones, including four PocketQubes (a 5cm cube format). One of these smaller satellites, developed in Peru, released its own tiny bird.

Vi ska inte underskatta hur den nya satellitteknologin kommer att revolutionera vår syn på världen. Och hur den nya teknologin kommer att göra vetenskapliga projekt möjliga som vi idag inte ens kan drömma om.

För hand i hand med de nya bilderna går s.k. Big Data och molnbaserad dataanlys, som kommer att kunna skapa en bild av vår värld som idag är omöjlg.

Inte minst intressant är den viktiga roll som San Francisco-baserade Planet Labs och Nanosatisfi spelar.

USABloggen.se

[tags]Rymdrevolutionen, minatyrsatelliter, nanosats,Nanosatisfi,Planet Labs [/tags]