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This is a list of the largest cosmic structures so far discovered. The unit of measurement used is the light-year (distance traveled by light in one Julian year; approximately 9.46 trillion kilometres).
The gas temperatures in outer space can vary widely. For example, the temperature in the Boomerang Nebula is 1 K (−458 °F), [43] while the solar corona reaches temperatures over 1,200,000–2,600,000 K (2,200,000–4,700,000 °F). [44] Magnetic fields have been detected in the space around just about every class of celestial object.
A giant planet, sometimes referred to as a jovian planet (Jove being another name for the Roman god Jupiter), is a diverse type of planet much larger than Earth. Giant planets are usually primarily composed of low-boiling point materials (), rather than rock or other solid matter, but massive solid planets can also exist.
A section of space of that size would typically house 10,000 galleries. Learn more about the "exotic" phenomenon in the video above. Amazing photos from the Hubble: 49 Photos.
The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all planets that are larger than 1.6 times the size of Jupiter.Some well-known planets that are smaller than 1.6 R J (17.93 R 🜨 or 114 387.2 km) have been included for the sake of comparison.
A term for universe among the ancient Greek philosophers from Pythagoras onwards was τὸ πᾶν (tò pân) 'the all', defined as all matter and all space, and τὸ ὅλον (tò hólon) 'all things', which did not necessarily include the void. [33] [34] Another synonym was ὁ κόσμος (ho kósmos) meaning 'the world, the cosmos'. [35]
This tense Swedish drama, based on a 1968 epic poem, follows a huge space freight carrying human refugees from an Earth destroyed by climate change—which suddenly veers off course with no hope ...
The current star in the North Pole. It is a Classical Cepheid variable, and the brightest example of its class. Aldebaran (α Tauri) 45.1 ± 0.1 [99] AD Fourteenth brightest star in the night sky. Arcturus (α Boötis) 25.4 ± 0.2 [100] AD This is the nearest red giant to the Earth, and the fourth brightest star in the night sky. Pollux (β ...