---
title: Astronauts float in the space station not because gravity is gone, b… — The Moon, the planets and the pull that holds them · tree and pragmatics
description: Astronauts float in the space station not because gravity is gone, but because the station and everyone in it are falling round the Earth together. Who acts: Astronauts, gravity, station. A sentence of the lesson «The Moon, the planets and the pull that holds them» of the physics course of Mova's pr
---

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# The Moon, the planets and the pull that holds them, sentence 3

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Astronauts float in the space station not because gravity is gone, but because the station and everyone in it are falling round the Earth together.

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**Who acts:** Astronauts, gravity, station · **What happens:** float, not be, fall · **To what, where:** space station, Earth

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This is a sentence of the lesson «The Moon, the planets and the pull that holds them» of the physics 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 (Astronauts, gravity, station), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:002-the-moon-the-planets-and-the-pull.lesson:3
# text = Astronauts float in the space station not because gravity is gone, but because the station and everyone in it are falling round the Earth together.
# source = school lesson (ours)
# course = physics
# lesson = 002-the-moon-the-planets-and-the-pull.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	Astronauts	astronaut	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	float	float	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	in	in	ADP	IN	_	6	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	space	space	NOUN	NN	Number=Sing	6	compound	_	_
6	station	station	NOUN	NN	Number=Sing	2	obl	_	_
7	not	not	PART	RB	Polarity=Neg	11	advmod	_	_
8	because	because	SCONJ	IN	_	11	mark	_	_
9	gravity	gravity	NOUN	NN	Number=Sing	11	nsubj	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
11	gone	gone	ADJ	JJ	Degree=Pos	2	advcl	_	_
12	,	,	PUNCT	,	_	22	punct	_	_
13	but	but	CCONJ	CC	_	22	cc	_	_
14	because	because	SCONJ	IN	_	22	mark	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	station	station	NOUN	NN	Number=Sing	22	nsubj	_	_
17	and	and	CCONJ	CC	_	18	cc	_	_
18	everyone	everyone	PRON	NN	Number=Sing|PronType=Tot	16	conj	_	_
19	in	in	ADP	IN	_	20	case	_	_
20	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	nmod	_	_
21	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	22	aux	_	_
22	falling	fall	VERB	VBG	Tense=Pres|VerbForm=Part	11	conj	_	_
23	round	round	ADP	IN	_	25	case	_	_
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	_	_
25	Earth	Earth	PROPN	NNP	Number=Sing	22	obl	_	_
26	together	together	ADV	RB	_	22	advmod	_	_
27	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: neg
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | Astronauts |  |  | the space station |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme in station=Trajectory |
| 2 | **not** **is** | present | gravity |  |  |  |  | gone *property* | tree rules |
| 3 | **fall** | present · progressive | the station |  |  | the Earth |  | together *property* | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme round earth=Initial\_Location |

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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:physics:002-the-moon-the-planets-and-the-pull.lesson:3`.

**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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