首页
登录
职称英语
According to the discoveries of the astronomers, when did galaxies form? [br] Wh
According to the discoveries of the astronomers, when did galaxies form? [br] Wh
游客
2024-06-13
4
管理
问题
According to the discoveries of the astronomers, when did galaxies form? [br] Why can astronomers age galaxies by computing how much the wavelength of their light has stretched?
选项
答案
Because the universe has been expanding over since the big bang.
解析
根据题干中的关键词age galaxies和computing定位到第四段,可知宇宙自形成以来一直在扩张,因此天文学家可以通过计算星系中光线波长的延展度,来计算星系的年龄。
转载请注明原文地址:https://tihaiku.com/zcyy/3632928.html
相关试题推荐
Accordingtothediscoveriesoftheastronomers,whendidgalaxiesform?[br]Wh
Accordingtothediscoveriesoftheastronomers,whendidgalaxiesform?[br]Th
Accordingtothediscoveriesoftheastronomers,whendidgalaxiesform?[br]Wh
Theearliestknowngalaxiesintheuniverse,whichformedduringtheuniverse
Accordingtothepassage,whendidHerakleionandEasternCanopusdisappear?[br
Accordingtothepassage,whendidHerakleionandEasternCanopusdisappear?[br
Accordingtothepassage,whendidHerakleionandEasternCanopusdisappear?[br
Accordingtothepassage,colorblindnesscanbedangerousincertainoccupation
Accordingtothepassage,colorblindnesscanbedangerousincertainoccupation
Accordingtothepassage,whendidHerakleionandEasternCanopusdisappear?[br
随机试题
[originaltext]W:Robertwantstoknowifhecangowithustotheparty.M:Th
DougMorrellhadalreadyinstalledsolarpanelsonhishouseinCoopersville
[originaltext]M:Idon’tenjoydatinganymore.[19]Ican’tseemtofindanyone
[originaltext]W:Doyouwantmetoexplainthesequestionsbeforetheexam?M:
那达慕大会(NadamaFair)是蒙古族(Mongolian)人民具有鲜明民族特色的传统活动。“那达慕”是蒙古语,意为“娱乐、游戏”,还可以表示人们
HowtoEnsureSurvivalintheCollegeDormLifeincolleged
A.系统脱敏法 B.厌恶疗法 C.行为塑造法 D.代币制疗法 E.暴露疗
教学过程是一种特殊的认识过程,其特殊性体现在()。A.认识的直接性 B.学生的
能治疗癫痫发作而无镇静催眠作用的药物是A.地西泮 B.苯妥英钠 C.苯
项目组织形式中,()是项目经理直接进行单线垂直领导,决策迅速,运用于中小型
最新回复
(
0
)