From pre- + planetary <span class="searchmatch">nebula</span>. <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span> (plural <span class="searchmatch">preplanetary</span> nebulae or <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebulas</span>) (astronomy) A stage in stellar evolution when...
<span class="searchmatch">preplanetary</span> <span class="searchmatch">nebulas</span> plural of <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span>...
postplanetary before formation of planets From <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span>, from pre- + planetary <span class="searchmatch">nebula</span>. <span class="searchmatch">preplanetary</span> (not comparable) Relating to a stage in the...
<span class="searchmatch">preplanetary</span> nebulae plural of <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span>...
when a star starts to shed its outer layers before coming a true planetary <span class="searchmatch">nebula</span>. <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span> stage in stellar evolution protoplanetary disk...
Crab Nebula is the most studied supernova remnant. SNR (abbreviation) nova remnant plerion planetary <span class="searchmatch">nebula</span> <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span> protoplanetary <span class="searchmatch">nebula</span>...
remnants) (astronomy) The ejected material left behind by novae. supernova remnant plerion planetary <span class="searchmatch">nebula</span> protoplanetary <span class="searchmatch">nebula</span> / <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span>...
protoplanetary <span class="searchmatch">nebula</span> during the star's final stages of life <span class="searchmatch">nebula</span> planet planetary planetary <span class="searchmatch">nebula</span> <span class="searchmatch">preplanetary</span> <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span> protoplanetary <span class="searchmatch">nebula</span>...
material expelled by the star. PN (abbreviation) <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span> protoplanetary <span class="searchmatch">nebula</span> planetary <span class="searchmatch">nebula</span> nucleus nebulosity plerion nova remnant supernova...
Crab <span class="searchmatch">Nebula</span> dark <span class="searchmatch">nebula</span> diffuse <span class="searchmatch">nebula</span> emission <span class="searchmatch">nebula</span> planetary <span class="searchmatch">nebula</span> <span class="searchmatch">preplanetary</span> <span class="searchmatch">nebula</span> protoplanetary <span class="searchmatch">nebula</span> pulsar wind <span class="searchmatch">nebula</span> reflection <span class="searchmatch">nebula</span> solar...