1、This star is a red giant with a visual magnitude of 17
這顆恒星是一顆紅巨人與一個(gè)視覺(jué)幅度17

2、Does a red giant wake up one morning and suddenly just decide to go supernova?
紅巨星難道是在某天早晨醒來(lái)后忽然決定進(jìn)行超新星爆發(fā)？

3、This star is a red giant with a visual magnitude of 17.
這顆恒星是一顆紅巨人與一個(gè)視覺(jué)幅度17.

4、Convection within the red giant dredges the new proto-dust atoms from the core up to the surface.
紅巨星內(nèi)部的對(duì)流碰撞出新的原始塵埃原子會(huì)從其核心撞到表面。

5、A66 is a red star located at the lowest end of the red giant branch of the globular cluster M4.
A66是位于球狀星團(tuán)m 4紅巨星支最底部(近亞巨星支頂部)的一顆紅星。