supernovas – pressnews

[ad_1] “The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.”- Carl Sagan This profound statement by Carl Sagan beautifully captures the essence of our cosmic connection. The stars, those twinkling specks in the night sky, are not just distant suns but the very vessels where the recipe of life was cooked. Among the most dramatic events in this cosmic saga are supernovas, stellar explosions of unimaginable scale and power, which seed the universe with the building blocks of planets and life. A supernova occurs when a star reaches the end of its life cycle. The star's core, having exhausted its nuclear fuel, can no longer support the outward pressure against the forc...

[ad_1] Surprisingly, NASA’s Astronomy Picture of the Day is not a spectacular view of the cosmos, but a periodic table! Read on to know why. Each day, NASA features a different image of our fascinating universe along with a brief explanation written by a professional astronomer. Today, the image neither features any breathtaking image of a galaxy in the deep cosmos nor reveals an unseen image of our biggest star, our Sun. Instead, NASA dedicated today's astronomy picture of the day to the periodic table of elements. If you can recall your chemistry classes in school, then it is the same periodic table, but with a slight twist! NASA's shared periodic table is colour coded to indicate humanity's best guess as to the nuclear origin of all known elements. In other words, it represents "Wh...

Tag: supernovas

Exploring the Cosmic Phenomena of Supernovas and ISRO’s XPOSAT: A Stellar Journey

NASA Astronomy Picture of the Day 8 January 2023: Wow! Origin of water in body, periodic table