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Multi-spectral Images

ESAs Sentinel satellites mission is carrying a range of technologies, such as radar and multi-spectral imaging instruments for land, ocean and atmospheric monitoring. Especially Sentinel 2 (color vision) and 3 (bigger picture) brought up some beautiful insights of our planet so far.

Zachariae glacier – the shades of grey on the left side of the image depict the static landmass, while the colours on the right show changes in sea-ice type and cover between the three radar scans:
Zachariae glacier node full image 2 Multi spectral Images

Rolling sand dunes in the expansive Rub’ al Khali desert on the southern Arabian Peninsula are pictured in this image from the Sentinel-2A satellite:
Rub al Khali node full image 2 Multi spectral Images
credit: ESA

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6 years of sun observation in HD

Solar Dynamics Observatory (SDO) keeps a 24-hour eye on the entire disk of the sun, with a prime view of the graceful dance of solar material coursing through the sun’s atmosphere, the corona. The video shows six years – from Jan. 1, 2015, to Jan. 28, 2016, as one time-lapse sequence. Watch the magnetic fields in HD and get the explanations in the second part of the video – terrific work by the NASA Goddard Space Flight Center!

Credit: NASA

All roads lead to Rome! – interactive trajectory maps

3.375.746 journeys resulted in 500.000 routes from all across the continent…and there is an interactive map that is showing all of it. The people from movel.lab aligned starting points in a 26.503.452 km² grid covering all of Europe. Every cell of this grid contains the starting point to one of our journeys to Rome. They’ve done the same with other cities as well, very interesting and well done.

eu rome web@2x All roads lead to Rome!   interactive trajectory maps

credits: movel.lab

The Reusable Rocket is Finally Real

Vastly covered, nevertheless impressive engineering by the Blue Origin team that managed (in contrary to SpaceX) to bring back a rocket in one piece.
“The Shepard space vehicle reached thee edge of space at a suborbital altitude of 100.5 kilometers. The capsule then separated and touched down beneath a parachute but the BE-3 rocket also started its own descent. After the rockets fired at nearly 5,000 feet, it made a a controlled vertical landing at a gentle 4.4 mph.” Wicked!