BlogArena

General blog about anything and everything of everyday's life.

25. Aug 2019

December 21, 2016
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The Supernova That Wasn’t: A Tale of 3 Cosmic Eruptions

Combining images taken with the Hubble Space Telescope over more than 20 years, a team of UA researchers has discovered that Eta Carinae, a very massive star system that has puzzled astronomers since it erupted in a supernova-like event in … Continue reading

January 14, 2013
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The Supernova That Cried Wolf

A luminous supernova in a galaxy 67 million light years away from us has finally exploded for good, a UA-led team of astronomers has discovered. This event sheds light on how massive stars end their lives. Astronomers have announced that … Continue reading

December 16, 2012
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Exploding Star Missing From Formation of Solar System

A new study published by University of Chicago researchers challenges the notion that the force of an exploding star prompted the formation of the solar system. In this study, published online last month in Earth and Planetary Science Letters, authors … Continue reading

September 1, 2012
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Supernovae of the Same Brightness, Cut From Vastly Different Cosmic Cloth

Berkeley Lab researchers make historic observation of rare Type 1a Supernova Exploding stars called Type 1a supernova are ideal for measuring cosmic distance because they are bright enough to spot across the Universe and have relatively the same luminosity everywhere. … Continue reading

March 2, 2012
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How Megakaryocytes Get so Big — and The Bad Things That Happen When They Don’t

Yale researchers have discovered how megakaryocytes — giant blood cells that produce wound-healing platelets — manage to grow 10 to 15 times larger than other blood cells. The findings, to be published March 13 in the journal Developmental Cell, also … Continue reading

February 16, 2012
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Echoes From an Exploding Star

*Astronomers watch a delayed broadcast of a powerful stellar eruption.* Astronomers are watching the astronomical equivalent of streaming live video of a spectacular outburst from the unstable, behemoth double-star system Eta Carinae, which initially was seen on Earth nearly 170 … Continue reading

December 11, 2011
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Star Explosion Leaves Behind a Rose

About 3,700 years ago, people on Earth would have seen a brand-new bright star in the sky. It slowly dimmed out of sight and was eventually forgotten, until modern astronomers later found its remains, called Puppis A. In this new … Continue reading