Exploded star blooms like a cosmic flower. Credit: NASA/CXC/U.Texas A recent study on ‘pre-supernova’ neutrinos—tiny cosmic particles that are extremely hard to detect—has brought scientists one step closer to understanding what happens to stars before they explode and die. The study, co-...
Changes in stars the size of the Sun are discussed including their conversion into planetary nebula whose remains are white dwarfs. Stars with larger mass reportedly die as supernovae and even larger stars reportedly become black holes.Kruesi, L...
百度试题 结果1 题目What can we know from the third paragraph? A Stars can't die. C The Sun is important. B Stars can die. D The Sun is getting old. 相关知识点: 试题来源: 解析 B 反馈 收藏
Scientists have discovered that when neutron stars collide, they leave behind a remnant that doesn't resemble either of them. Neutron starsare the universe's most extreme stars, born when massive stars die and explode. These stars are packed with material so dense that if a teaspoon of it ma...
What Are Stars Like? Have you ever wondered about the stars? In some ways, stars are like people. They are born. They grow old, and they die. A star is born from dust and gas. Slowly then dust and gas make a ball, then gets very hot. Then it starts to ...
What happens when a light bulb burns out? Why do stars explode when they die? What might happen if the bright star Sirius exploded in a supernova? How long would it be before we found out that it had happened? Everyone realizes how dependent we Earthlings are on the Sun, but ho What...
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“What happens when you relinquish any understanding of objective moral goods and evils…how can we come to agreement on how we should run society? And so what is left but the will to power?” says Noelle Mering, a Fellow at the Ethics and Public Policy Center where she co-directs EPPC...