Cosmic Temperature Extremes
Space experiences drastic temperature swings. The Boomerang Nebula is the coldest known place at -272°C, barely above absolute zero. In contrast, supernova explosions can reach a staggering 6000°C, outshining entire galaxies temporarily.
Longest Duration Eclipse
The double star system TYC 2505-672-1 holds the record for the longest eclipse, lasting 3.5 years. This is due to a dark, dusty companion eclipsing the main star, a phenomenon incredibly rare and puzzling to astronomers.
Galactic Speed Demons
Stars can travel at mind-boggling speeds. The fastest known, S5-HVS1, is hurtling through space at about 1750 kilometers per second, ejected from the Milky Way by Sagittarius A*, our galaxy's supermassive black hole.
Deepest Space Sound
Sound can't travel in a vacuum, but the Perseus Cluster's black hole emits pressure waves that translate into a note 57 octaves below middle C, the deepest note known in the universe, inaudible to human ears.
Thickest Extraterrestrial Ice
Mars hosts the largest known ice deposits outside Earth. Its polar ice caps, containing water and dry ice, extend deep below the surface, with the north cap spanning over 2 kilometers thick, hiding a record of the planet's climate history.
Vacuum Metamorphosis
Space isn't empty; it's a vacuum that can alter materials. Objects from Earth can outgas, releasing trapped gases and causing metal fatigue. This environment can radically transform equipment and materials sent from Earth over time.
Unimaginable Cosmic Voids
Cosmic voids are vast, empty spaces between filaments in the cosmic web, with the Boötes Void being one of the most enormous, spanning 330 million light-years. These areas challenge our understanding of the universe's large-scale structure.
What is the Boomerang Nebula's temperature?
-272°C, near absolute zero
0°C, freezing point of water
6000°C, like a supernova
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