The cachalot is a giant cetacean seen vary rarely, for they often dive to deep depths. They're also known as sperm whales after their spermaceti, a waxy substance in the whale's head cavity, which is considered valuable.
(ËkÉzmÉªk) adj. 1. (Astronomy) of or relating to the whole universe: cosmic laws. 2. (Astronomy) occurring or originating in outer space, esp as opposed to the vicinity of the earth, the solar system, or the local galaxy: cosmic rays. 3. immeasurably extended in space or time; vast.
With technology rapidly advancing, astronomers are finding more and more objects in the universe. The title of âlargest thing in the universeâ is changing almost yearly. Some of these cosmic objects are so large that they baffle our best scientists, and some of them shouldnât even exist at all.