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极度深寒

20亿年后，宇宙碰撞或将地球抛出银河系。_我的网站

勇者义彦与魔王城

A | 根据芬兰达勒姆大学和赫尔辛基大学的一项研究，大麦哲伦星云可能在20亿年内与银河系相撞。 TOKYO -- Japan's Prime Minister Fumio Kishida said Monday he is preparing to take bold economic measures, including an income tax cut for households hit by inflation and tax breaks for companies to promote investment, in what's seen as a move to lift his dwindling public support.In his speech to start a new Parliamentary session, Kishida said it was time to shift from an economy of low cost, low wages and cost-cutting to one backed by growth led by sustainable wage hikes and active investment.“I'm determined to take unprecedentedly bold measures,” Kishida said, pledging an intensive effort to achieve stronger supply capability in about three years. “I will put more emphasis on the economy than on anything else.”He said he is determined to help people ride out the impact of soaring prices for food, utilities and other costs that have exceeded their salary increases, by implementing income tax cuts. He also pledged to introduce corporate tax incentives to promote wage increases, investment and optimization. Previously, Kishida had been considered reluctant to cut taxes because his government must find the funds to double Japan's defense budget within five years as planned while also trying to counter the impact of Japan’s low birth rate and rapidly declining population.Kishida's pledge on tax breaks has been criticized by opposition leaders as a vote-buying attempt because the proposals surfaced just before two by-elections held on Sunday that were seen as a litmus test for potential snap elections. His Liberal Democratic Party secured a parliamentary seat representing Nagasaki in Sunday's vote but lost in a combined district in Kochi and Tokushima to a candidate backed by the main opposition Constitutional Democratic Party of Japan. “The results clearly show that many voters are dissatisfied by the government's delayed economic measures to tackle rising prices," said Jun Azumi, a senior CDPJ lawmaker. Kishida told reporters that he takes the results seriously and that he will tackle important policies one by one. “Now is the time for me to focus on that, and I'm not thinking about anything else,” Kishida said, denying that his tax cut proposal was related to elections.The tax cuts would be part of a new economic stimulus package he plans to announce by the end of the month. On the diplomatic front, Kishida in his speech reiterated the need to strengthen Japan’s military, given conflicts that are underway elsewhere, such as Russia’s invasion of Ukraine and the war between Israel and Gaza's militant Hamas rulers. Kishida also urged China to immediately lift its ban on Japanese seafood imports imposed in August when the tsunami-wrecked Fukushima Daiichi nuclear plant started releasing the treated radioactive wastewater into the sea. The government is working to find new markets for the Japanese fishing industry that are less reliant on China, Kishida said.。目前，这项研究已经发表在国际顶级天文杂志《皇家天文学会月报》上。大麦哲伦星云距离银河系约163000光年。天文学家先前认为大麦哲伦星云将绕银河系运行数十亿年，甚至可能逃离银河系。

B | 研究人员发现，大麦哲伦星云的质量远远超过预期，其轨道能量会由于动态摩擦力而迅速衰减，可能在20亿年内与银河系碰撞并合。

C | 模拟结果表明，撞击将给银河系带来毁灭性的灾难。

D | 银河系中冬眠的黑洞将被激活，迅速扩大到10倍，质量增加8倍。活跃的黑洞将释放大量高能辐射流。如果喷气式飞机产生的伽马射线到达地球，它将破坏臭氧层并导致大量的生物灭绝。然而，研究人员也发现，太阳系很可能会在撞击中被抛出银河系，抛入一个更大的空间，因此地球将得以幸免。先前的天文学家预测仙女座星系将在80亿年内撞击银河系，这项研究将银河系与其他星系之间可能的碰撞时间提前了60亿年。

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