30 Nov 2019
29 Nov 2019
29 Nov 2019
29 Nov 2019

Watch live: third #SpacewalkForAMS

Luca Parmitano during second spacewalk to service AMS-02

ESA astronaut Luca Parmitano and his spacewalking buddy NASA astronaut Andrew Morgan will venture beyond the International Space Station’s airlock for the third time on 2 December as part of a complex series of spacewalks to service the Station’s cosmic ray detector AMS-02.

Source: ESA news

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29 Nov 2019
29 Nov 2019

Lake St. Clair

Lake St. Clair
Image:

The Copernicus Sentinel-2 mission takes us over Lake St. Clair, forming the border between Ontario, Canada to the east, and Michigan, US to the west.

The Saint Clair River is visible at the top of the image and flows southwards, connecting the southern end of Lake Huron with Lake St. Clair, visible in the centre of the image. The river branches into several channels before reaching the lake, creating a seven-mouth delta. Much of the area surrounding the delta is used for agriculture.

The Thames River, visible east of the lake, begins in a swampy area of Ontario, before emptying its muddy waters into Lake St. Clair. Here the murky-coloured waters mix with the turquoise waters from the Saint Clair River, creating this fusion of colour visible in the heart-shaped lake. The waters then exit the lake via the Detroit River.

Lake St. Clair is approximately 40 km long and 40 km wide, with an average depth of around 3 metres. The lake is a popular site for fishing and boating, and more than 100 species of fish inhabit the lake including walleye, rainbow trout and muskellunge.

Detroit, the largest city in Michigan, is visible directly above the Detroit River. The city lies on a relatively flat plain and its extensive network of roads in the city are clearly visible in the image.

Detroit is nicknamed the “motor city” as it was the key hub for American auto-manufacturing for over a century. It was also home to the first mile of concrete highway, the first four-way three-colour traffic light and the world’s first urban freeway.

In this wintery image, captured on 26 March 2019, many of the frozen lakes northwest of the lake can be seen partially frozen over. The Copernicus Sentinel-2 mission allows inland bodies of water to be closely monitored.

This image is also featured on the Earth from Space video programme.

Source: ESA news

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28 Nov 2019
27 Nov 2019

Orion spacecraft arrives at Plum Brook

The Orion spacecraft that will fly farther from Earth on the Artemis I mission than any human-rated vehicle has ever flown before, arrived at NASA’s Plum Brook Station yesterday. This was the first voyage of the assembled spacecraft – the size of a two-storey house – that includes NASA’s Crew Module and Crew Module Adapter as well as ESA’s European Service Module.

Source: ESA news

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27 Nov 2019

Steve over the picket fence

Strange ribbons of purple light that appeared in the sky – known as Steve – became the subject of debate in 2017, as their origins were unbeknown to scientists. Now, photographs of this remarkable phenomena have been studied to understand their exact position in the night sky.

Source: ESA news

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27 Nov 2019

Cleaning the dishes

Large antennas are our only current way of communicating through space across vast distances, and every now and then they need to be spruced up to ensure we can keep in touch with our deep-space exploration spacecraft.

Source: ESA news

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