---
title: A star is a huge ball of hot gas, mostly hydrogen and helium, that m… — Stars: what they are · tree and pragmatics
description: A star is a huge ball of hot gas, mostly hydrogen and helium, that makes its own light. Who acts: star, hydrogen. A sentence of the lesson «Stars: what they are» of the space course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/space/17-stars-what-they-are/6/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Space](https://md.mova.elamur.ai/free/en/corpora/school/space/) / [Stars: what they are](https://md.mova.elamur.ai/free/en/corpora/school/space/17-stars-what-they-are/) / 6

# Stars: what they are, sentence 6

<!-- .ven lang=en -->
A star is a huge ball of hot gas, mostly hydrogen and helium, that makes its own light.

<!-- .vintro -->
**Who acts:** star, hydrogen · **What happens:** be, make, light · **To what, where:** huge ball, own light

<!-- .vabout -->
This is a sentence of the lesson «Stars: what they are» 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 (star, hydrogen), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:017-stars-what-they-are.lesson:6
# text = A star is a huge ball of hot gas, mostly hydrogen and helium, that makes its own light.
# source = school lesson (ours)
# course = space
# lesson = 017-stars-what-they-are.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): no change
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	star	star	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	huge	huge	ADJ	JJ	Degree=Pos	6	amod	_	_
6	ball	ball	NOUN	NN	Number=Sing	0	root	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	hot	hot	ADJ	JJ	Degree=Pos	9	amod	_	_
9	gas	gas	NOUN	NN	Number=Sing	6	nmod	_	_
10	,	,	PUNCT	,	_	12	punct	_	_
11	mostly	mostly	ADV	RB	_	12	advmod	_	_
12	hydrogen	hydrogen	NOUN	NN	Number=Sing	9	appos	_	_
13	and	and	CCONJ	CC	_	14	cc	_	_
14	helium	helium	NOUN	NN	Number=Sing	12	conj	_	_
15	,	,	PUNCT	,	_	17	punct	_	_
16	that	that	PRON	WDT	PronType=Rel	17	nsubj	_	_
17	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	acl:relcl	_	_
18	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	20	nmod:poss	_	_
19	own	own	ADJ	JJ	Degree=Pos	20	amod	_	_
20	light	light	NOUN	NN	Number=Sing	17	obj	_	_
21	.	.	PUNCT	.	_	6	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 | **is a** | present | a star | a huge ball |  |  |  | of hot gas | tree rules |
| 2 | **make** | present | hydrogen and helium | star's own light |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset light=Product |
| 3 | **light** |  | star |  |  |  |  |  | nom light «phenomenon transitive»: poss=agent |

<!-- .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.

<!-- div src -->

**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:017-stars-what-they-are.lesson:6`.

**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): no change. **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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Stars: what they are, 5](https://md.mova.elamur.ai/free/en/corpora/school/space/17-stars-what-they-are/5/)
- next →: [Stars: what they are, 7](https://md.mova.elamur.ai/free/en/corpora/school/space/17-stars-what-they-are/7/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/space/17-stars-what-they-are/)