---
title: Astronomers have found more than 6,000 planets around other stars. — How the Solar System was born · tree and pragmatics
description: Astronomers have found more than 6,000 planets around other stars. Who acts: Astronomers. A sentence of the lesson «How the Solar System was born» of the space course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# How the Solar System was born, sentence 15

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Astronomers have found more than 6,000 planets around other stars.

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**Who acts:** Astronomers · **What happens:** find · **To what, where:** 6,000 planets, other stars

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This is a sentence of the lesson «How the Solar System was born» 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 (Astronomers), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:002-how-the-solar-system-was-born.lesson:15
# text = Astronomers have found more than 6,000 planets around other stars.
# source = school lesson (ours)
# course = space
# lesson = 002-how-the-solar-system-was-born.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	Astronomers	astronomer	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	found	find	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
4	more	more	ADJ	JJR	Degree=Cmp|ExtPos=ADV	6	advmod	_	_
5	than	than	ADP	IN	_	4	fixed	_	_
6	6,000	6000	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	_	_
7	planets	planet	NOUN	NNS	Number=Plur	3	obj	_	_
8	around	around	ADP	IN	_	10	case	_	_
9	other	other	ADJ	JJ	Degree=Pos	10	amod	_	_
10	stars	star	NOUN	NNS	Number=Plur	7	nmod	_	_
11	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | present · perfect | Astronomers | 6,000 planets |  | other stars |  |  | vn discover-84 «NP V NP»: agent=Agent planet=Topic |

<!-- .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:002-how-the-solar-system-was-born.lesson:15`.

**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/).

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