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{{B}}Dark Forces Dominate Universe{{/B}} The Earth, moon, sun and all visible stars in the sky make up less than one per cent of the universe. Almost all the rest is dark matter and dark energy, unknown{{U}} (1) {{/U}}that puzzle astronomers. Observations in recent years have changed the basic understanding of how the universe evolved and have emphasized for astronomers how little is known{{U}} (2) {{/U}}the major forces and substances that shaped our world: Astronomers now know that luminous matter-stars, planets and hot gas — {{U}} (3) {{/U}}only about 0.4 per cent of the universe. Non. luminous components, such as black holes and intergalactic gas, make up 3.6 per cent. The rest is either dark matter, about 23 per cent, or dark energy, about 73 per cent. Dark matter, sometimes called "c A. about B. in C. for D. within 查看答案 更多"{{B}}Dark Forces Dominate Univers"的相关试题: [单项选择] {{B}}Dark Forces Dominate Universe{{/B}} The Earth, moon, sun and all visible stars in the sky make up less than one per cent of the universe. Almost all the rest is dark matter and dark energy, unknown{{U}} (1) {{/U}}that puzzle astronomers. Observations in recent years have changed the basic understanding of how the universe evolved and have emphasized for astronomers how little is known{{U}} (2) {{/U}}the major forces and substances that shaped our world: Astronomers now know that luminous matter-stars, planets and hot gas — {{U}} (3) {{/U}}only about 0.4 per cent of the universe. Non. luminous components, such as black holes and intergalactic gas, make up 3.6 per cent. The rest is either dark matter, about 23 per cent, or dark energy, about 73 per cent. Dark matter, sometimes called "c A. space B. movement C. forces D. speed 查看答案 [单项选择]Dark Forces Dominate Universe The earth．moon．sun and all visible stars in the sky make up less than one percent of the universe．Almost all the rest is dark matter and dark energy，unknown forces that ______(51)astronomers． Observations in recent years have changed the basic______ (52)of how the universe evolved and have indicated how little is known about the major forces and substances that______ (53) our world Astronomers now know that luminous(发光的)matter—stars，planets and hot gas----Accounts ______ (54) only about 0,4 percent of the universe．Non-luminous components，such as black holes and intergalactic(星系间的)gas，______ (55)up 3.6 percent The rest is either dark matter , about 23 percent，or dark energy，about 73 percent． Dark matter．Sometimes ______ (56)“cold dark matter，”has been known for some time．Only recently have researchers come to understand the key role it ______ (57)formation of stars，planets and even people． We ______ (58) our very existence to dark matter,” said phy A. with B. as C. form D. beside 查看答案 我来回答: 提交 最新试题 ●    [多选题][多选题]依据《中国南方电网有限责任公司电力安全工作规程》,(　　)工作可共用同一张厂站第 ●    [单选题]装有密接式车钩的客车原则上应附挂旅客列车回送，需附挂货物列车回送时，不得超过（ ）辆， ●    [判断题]室内母线分段部分、母线交叉部分及部分停电检修易误碰有电设备的，应设临时绝缘挡板将其隔离。 ●    [简答题]有爆炸危险的甲、乙类生产部位，设置上有什么要求？ ●    [多选题](七十九)透析病人王某,男,74岁,诊断:慢性肾衰竭尿毒症期,透析3.5年,透析相关病原学 ●    [单选题]湿式报警阀阀体上的放水口的公称直径不应小于( )㎜。 网站地图 我要搜题网  版权所有  ©2023  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码