protoplanetary

美 　英

• 網(wǎng)絡(luò)原行星

例句

These clouds, known as protoplanetary disks, are the stuff from which planets are formed, and without them no planetary system can evolve.

這些云就是原行星盤，行星誕生的材料來源，沒有它們行星系統(tǒng)就不能演化。

At this point, the solar system is composed only of solid, protoplanetary bodies and gas giants.

在這點(diǎn)上，太陽系僅僅是由固體、原行星和巨型氣體行星組成的。

Artist's impression of a baby star still surrounded by a protoplanetary disc in which planets are forming.

這是一張在行星形成過程初期，被行星盤圍繞的嬰兒恒星的藝術(shù)幻想圖。

How big they get depends on their distance from the star and the density and composition of the protoplanetary nebula.

他們的形體能達(dá)到多大取決于他們離恒星的距離和原行星星云的組成。

Another version has it that large and small protoplanetary discs of the same mass may form exoplanets differently.

另一種說法認(rèn)為大小不一但質(zhì)量相同的原行星盤就可能形成各自不同的系外行星。

He says proving the presence of phyllosilicates in a protoplanetary disk is a challenge.

他說：在原形星盤的確認(rèn)層狀硅酸鹽的存在有一個(gè)很大的挑戰(zhàn)。

In fact, Hubble revealed dozens of protoplanetary disks, or "proplyds, " often silhouetted against nebulae.

事實(shí)上，哈伯揭露了數(shù)十個(gè)原生行星盤，它們通常在背景星云襯托下顯現(xiàn)蹤影。

The Spitzer data showed whether the young stars have a so-called "protoplanetary" disk around them.

斯皮策的數(shù)據(jù)則顯示出這些年輕恒星是否有所謂的“原行星”盤環(huán)繞著他們自己。

And it is even a unique achievement that water molecules are found inside protoplanetary disks.

而在原始行星圓盤的內(nèi)部找到水分子更是一件獨(dú)一無二的成就。