---
title: A planetary nebula has nothing to do with planets; it got the name b… — How stars die · tree and pragmatics
description: A planetary nebula has nothing to do with planets; it got the name because it looked like a round planet in old telescopes. Who acts: planetary nebula, nebula. A sentence of the lesson «How stars die» of the space course of Mova's primary school with its dependency tree and the pragmatics of every c
---

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# How stars die, sentence 16

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A planetary nebula has nothing to do with planets; it got the name because it looked like a round planet in old telescopes.

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**Who acts:** planetary nebula, nebula · **What happens:** have, do, get, look · **To what, where:** nothing, name

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This is a sentence of the lesson «How stars die» of the space course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (planetary nebula, nebula), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:019-how-stars-die.lesson:16
# text = A planetary nebula has nothing to do with planets; it got the name because it looked like a round planet in old telescopes.
# source = school lesson (ours)
# course = space
# lesson = 019-how-stars-die.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	planetary	planetary	ADJ	JJ	Degree=Pos	3	amod	_	Agree=R7-rel-agree|Haiku=3:compound|HaikuPos=NOUN:NN:Number=Sing
3	nebula	nebula	NOUN	NN	Number=Sing	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	4	obj	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	do	do	VERB	VB	VerbForm=Inf	5	acl	_	_
8	with	with	ADP	IN	_	9	case	_	_
9	planets	planet	NOUN	NNS	Number=Plur	7	obl	_	_
10	;	;	PUNCT	,	_	12	punct	_	_
11	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	nsubj	_	_
12	got	get	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	name	name	NOUN	NN	Number=Sing	12	obj	_	_
15	because	because	SCONJ	IN	_	17	mark	_	_
16	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	17	nsubj	_	_
17	looked	look	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	12	advcl	_	_
18	like	like	ADP	IN	_	21	case	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
20	round	round	ADJ	JJ	Degree=Pos	21	amod	_	_
21	planet	planet	NOUN	NN	Number=Sing	17	obl	_	_
22	in	in	ADP	IN	_	24	case	_	_
23	old	old	ADJ	JJ	Degree=Pos	24	amod	_	_
24	telescopes	telescope	NOUN	NNS	Number=Plur	21	nmod	_	_
25	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a planetary nebula | nothing |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent nothing=Patient |
| 2 | **do** | to-infinitive | a planetary nebula *not said here* | nothing *not said here* |  |  |  | with planets | vn act-114-1 «NP V»: agent=Agent |
| 3 | **get** | past | nebula | the name |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer name=Stimulus |
| 4 | **look** | past | nebula |  |  |  |  | like a round planet in old telescopes | vn stimulus\_subject-30.4 «NP V PP.attribute»: agent=Stimulus |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:space:019-how-stars-die.lesson:16`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×2. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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- ← previous: [How stars die, 15](https://md.mova.elamur.ai/free/en/corpora/school/space/19-how-stars-die/15/)
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