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A solid oxide electrolyser cell (SOEC) is a solid oxide fuel cell set in regenerative mode for the electrolysis of water with a solid oxide, or ceramic, electrolyte to produce oxygen and hydrogen gas. [53] SOECs can also be used to do electrolysis of CO 2 to produce CO and oxygen [54] or even co-electrolysis of water and CO 2 to produce syngas ...
On Earth, the majority of life is centred around oxygen. It is a byproduct of photosynthesis and is subsequently used by other life forms to breathe. Oxygen is also readily detectable in spectra, with multiple bands across a relatively wide wavelength range, therefore, it makes a very good biosignature. However, finding oxygen alone in a planet ...
U Camelopardalis is a semiregular variable star in the constellation Camelopardalis.Based on parallax measurements made by the Hipparcos spacecraft, it is located about 3,000 light-years (1,000 parsecs) away from the Earth. [1]
Aurora australis seen from the ISS, 2017 [1]. An aurora [a] (pl. aurorae or auroras), [b] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [c] is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic).
Russell Kenneth Alexander Martin (born 4 January 1986) is a professional football manager and former footballer who was most recently the manager of Premier League club Southampton.
When the electron velocity in a white dwarf is close to the speed of light, the kinetic energy formula approaches T = pc where c is the speed of light, and it can be shown that there is no stable equilibrium in the ultrarelativistic limit. In particular, this analysis yields the maximum mass of a white dwarf, which is [42]
Sickle cell anemia results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [2] This leads to the red blood cells adopting an abnormal sickle -like shape under certain circumstances; with this shape, they are unable to deform as they pass through capillaries , causing blockages. [ 2 ]
On January 14, 2004, the domain name goatse.cx was suspended [7] by Christmas Island Internet Administration due to Acceptable Use Policy violations in response to a complaint, [8] but many mirrors of the site are still available, [9] remaining on display on many other websites.