M74, SN13ej peak, supernova, 30 million miles, SMU, ROTSE, McDonald

Nearby massive star explosion 30 million years ago equaled brightness of 100 million suns

A giant star that exploded 30 million years ago in a galaxy near Earth had a radius prior to going supernova that was 200 times larger than our sun, say astrophysicists at SMU.

The massive explosion, Supernova 2013j, was one of the closest to Earth in recent years. Analysis of the exploding star’s light curve and color spectrum found its sudden blast hurled material from it at 10,000 kilometers a second. Continue reading

Stele, Etruscan, Poggio Colla, Mugello Valley, Warden, SMUText in lost language may reveal god or goddess worshipped by Etruscans at ancient temple. Continue reading →
Simmons Faculty Peter Weyand In Physiology Locomotor LabGood news! You’re likely burning more calories than you thought. Continue reading →
Pizarro, Inca, llamas, SMU, Herring, New look at Pizarro’s conquest of Inca reveals foot soldiers were awed by empire’s grandeur. Continue reading →
conspicuous conservation, new aristocrats, ryan murphy, smu, CoxCharity, social justice and earth-friendly activism replace big houses, diamond rings and ostentatious living for status seekers. Continue reading →

Earlier Research News

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  • SMU seismology team response to March 28, 2016 U.S. Geological Survey hazard forecasts March 28, 2016
  • NASA data leads to rare discovery: Earth’s moon wandered off axis billions of years ago March 23, 2016
  • SMU Lyle School cyber defender Fred Chang named to National Academy of Engineering February 9, 2016
  • National Center for Arts Research white paper counters findings of the Devos Institute Study on Culturally Specific Arts Organizations February 8, 2016
  • Long-term daily contact with Spanish missions triggered collapse of Native American populations in New Mexico January 25, 2016
  • SMU 2015 research efforts broadly noted in a variety of ways for world-changing impact January 8, 2016
  • North America’s newest pterosaur is a Texan — and flying reptile’s closest cousin is English December 7, 2015
  • California 6th grade science books: Climate change a matter of opinion not scientific fact November 9, 2015
  • $2 million NIH grant to help team from SMU and U-Maryland develop pediatric asthma monitor November 3, 2015
  • Reading ability soars if young struggling readers get school’s intensive help immediately November 3, 2015
  • Survey finds executive cybersecurity decisions are evolving from compliance to proactive cyber-risk management October 27, 2015
  • New fossils intensify mystery of short-lived, toothy mammals unique to ancient North Pacific October 5, 2015
  • Top Quark: Precise particle measurement improves subatomic tool probing mysteries of universe September 28, 2015
  • SMU Tower Center, Latino Center for Leadership Development create new strategic policy program September 16, 2015
  • Drugs behave as predicted in computer model of key protein, enabling cancer drug discovery September 8, 2015
  • Researchers discover new drug-like compounds that may improve odds for men battling prostate cancer September 8, 2015
  • SMU’s Deason Institute for Cyber Security and Raytheon partner for strategic cyber research August 24, 2015
  • • View all research news →