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NASA
NASA's Fermi Spots 'Fizzled' Burst from Collapsing Star
On Aug. 26, 2020, NASA’s Fermi Gamma-ray Space Telescope detected a pulse of high-energy radiation that turned out to be one for the record books – the shortest gamma-ray burst (GRB) caused by the death of a...
Boulder Creek International
C.S. Lewis: A Journey through his Childhood in Belfast
C.S. Lewis part 3 of 11: This video explores the childhood and upbringing of CS Lewis in East Belfast, highlighting how his surroundings and imagination influenced his literary works, particularly the Chronicles of Narnia. It also...
NASA
NASA | Swift's Christmas Burst From Blue Supergiant Star Explosion
Gamma-ray bursts, or GRBs, are the most luminous and mysterious explosions in the universe. The blasts emit surges of gamma rays -- the most powerful form of light -- as well as X-rays, and they produce afterglows that...
NASA
NASA | Swift Targets 500 Gamma-ray Bursts
Gamma-ray bursts are the most powerful explosions known in the Universe and a NASA satellite called Swift is the Gamma-ray burst look-out. Originally tasked with the mission to target 200 bursts, on April 13, 2010 Swift greatly...
NASA
NASA | Swift Finds Most Distant Gamma-ray Burst Yet
On April 29, 2009, a five-second-long burst of gamma rays from the constellation Canes Venatici triggered the Burst Alert Telescope on NASA's Swift satellite. As with most gamma-ray bursts, this one -- now designated GRB 090429B...
Visual Learning Systems
Exploring Freshwater Biomes: Rivers and Streams
Upon viewing the Exploring Freshwater Biomes video series, students will be able to do the following: List some of the ways fresh water is used in daily life. Understand how and why fresh water is so important to the lives of humans and...