How Do We Know How Old Everything Is?
0
0
3,608 بازدیدها·
12/19/23
که در
Discovery
We hear that rocks are a certain age, and stars are another age. And the Universe itself is 13.7 billion years old. But how do astronomers figure this out? Support us at: http://www.patreon.com/un...
بیشتر نشان بده، اطلاعات بیشتر
0 نظرات
sort مرتب سازی بر اساس
