宇宙膨胀

kuā kè jié chéng wù zhì zài yǔ zhòu péng zhàng de chū jí jiē duàn wù zhì xiāng duì mì jí

夸克结成物质，在宇宙膨胀的初级阶段物质相对密集。

The quark forms matters, which are relatively dense at the early stage of the cosmic expansion.

tā men hé qí tā de gè zhǒng tiān wén xiàng mù dōu zhì lì yú jiě jué yǔ zhòu péng zhàng zhī mí

它们和其它的各种天文项目都致力于解决宇宙膨胀之谜。

They and other astronomical projects are devoted to solving the mystery of cosmic expansion.