It takes huge blasts of rocket power to free spacecraft of Earth's gravity, but only a tiny nudge to correct a satellite's orbit, dodge space debris, or counter the slight but pernicious force of sunlight. (discovermagazine.com)
For decades scientists have struggled to explain the origins of gamma - ray bursts, huge blasts of energy that occur daily in far - off galaxies. (scientificamerican.com)
They believe this huge blast caused the so - called mid-Permian extinction, which killed off species around the world. (discovermagazine.com)