Water in the Universe: Venus, a world nearly without water
With an average temperature above 460 ºC, Venus doesn’t have liquid water on its surface, and only some traces of water vapour were found in the planet’s atmosphere.
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Water in the Universe: the plumes of Enceladus
Enceladus wobbles, as it orbits Saturn, and this may be explained by the presence of a liquid layer between the solid core and the crust.
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Water in the Universe: an ocean in Europa
It is thought that, below Europa’s icy crust, there may exist a water ocean that completely covers its rocky interior.
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Water in the Universe: water on Mars
There is water on Mars, but up to recently we believed that it would be present only in the atmosphere and as water ice.
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A star in the winter sky : Herbig-Haro 34 object
Herbig-Haro 34 object (HH 34) is located in the Orion nebula, a broad star formation region that is located to the south of the belt of this famous hunter in the Greek mythology.
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A star in the winter sky : T Tauri
T Tauri is a variable star in the constellation of Taurus that is located roughly at a distance of 470 light-years.
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A star in the winter sky : Rigel
Rigel is the brightest star in the constellation Orion. It is ranked as the seventh brightest star in the night sky.
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A star in the winter sky : Mintaka
Mintaka is the westernmost of the three stars of Orion’s belt, that is the marker of the northern night sky during the winter.
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