--- title: The Moon turns around its own axis exactly once while it goes around… — Thinking like an astronomer · tree and pragmatics description: The Moon turns around its own axis exactly once while it goes around the Earth once, so it always keeps the same face towards us: walk around a chair while always facing it, and you will find you have turned around once yourself. Who acts: Moon, you. A sentence of the lesson «Thinking like an astron --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/10-reasoning-about-space/0/) [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/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / [Thinking like an astronomer](https://md.mova.elamur.ai/free/en/corpora/school/world/10-reasoning-about-space/) / 0 # Thinking like an astronomer, sentence 0 The Moon turns around its own axis exactly once while it goes around the Earth once, so it always keeps the same face towards us: walk around a chair while always facing it, and you will find you have turned around once yourself. **Who acts:** Moon, you · **What happens:** turn, go, keep, walk, face, find · **To what, where:** own axis, Earth, same face, chair, face, yourself · **Speech:** someone speaks here This is a sentence of the lesson «Thinking like an astronomer» of the world 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 (Moon, you), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:world:010-reasoning-about-space.lesson:0 # text = The Moon turns around its own axis exactly once while it goes around the Earth once, so it always keeps the same face towards us: walk around a chair while always facing it, and you will find you have turned around once yourself. # source = school lesson (ours) # course = world # lesson = 010-reasoning-about-space.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 ×1, R8-pos-agree ×2 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 Moon Moon PROPN NNP Number=Sing 3 nsubj _ Agree=R8-pos-agree|Haiku=3:nsubj|HaikuPos=NOUN:NN:Number=Sing 3 turns turn VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 around around ADP IN _ 7 case _ _ 5 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 7 nmod:poss _ _ 6 own own ADJ JJ Degree=Pos 7 amod _ _ 7 axis axis NOUN NN Number=Sing 3 obl _ _ 8 exactly exactly ADV RB _ 9 advmod _ _ 9 once once ADV RB NumForm=Word|NumType=Mult 3 advmod _ _ 10 while while SCONJ IN _ 12 mark _ _ 11 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 12 nsubj _ _ 12 goes go VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 advcl _ _ 13 around around ADP IN _ 15 case _ _ 14 the the DET DT Definite=Def|PronType=Art 15 det _ _ 15 Earth Earth PROPN NNP Number=Sing 12 obl _ Agree=R8-pos-agree|Haiku=12:obl|HaikuPos=NOUN:NN:Number=Sing 16 once once ADV RB NumForm=Word|NumType=Mult 12 advmod _ _ 17 , , PUNCT , _ 21 punct _ _ 18 so so ADV RB _ 21 advmod _ _ 19 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 21 nsubj _ _ 20 always always ADV RB PronType=Tot 21 advmod _ _ 21 keeps keep VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 22 the the DET DT Definite=Def|PronType=Art 24 det _ _ 23 same same ADJ JJ Degree=Pos 24 amod _ _ 24 face face NOUN NN Number=Sing 21 obj _ _ 25 towards towards ADP IN _ 26 case _ _ 26 us we PRON PRP Case=Acc|Number=Plur|Person=1|PronType=Prs 24 nmod _ _ 27 : : PUNCT : _ 28 punct _ _ 28 walk walk VERB VB VerbForm=Inf 21 conj _ _ 29 around around ADP IN _ 31 case _ _ 30 a a DET DT Definite=Ind|PronType=Art 31 det _ _ 31 chair chair NOUN NN Number=Sing 28 obl _ _ 32 while while SCONJ IN _ 34 mark _ _ 33 always always ADV RB PronType=Tot 34 advmod _ _ 34 facing face VERB VBG Tense=Pres|VerbForm=Part 28 advcl _ _ 35 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 34 obj _ _ 36 , , PUNCT , _ 40 punct _ _ 37 and and CCONJ CC _ 40 cc _ _ 38 you you PRON PRP Case=Nom|Person=2|PronType=Prs 40 nsubj _ _ 39 will will AUX MD VerbForm=Fin 40 aux _ _ 40 find find VERB VB VerbForm=Inf 3 conj _ _ 41 you you PRON PRP Case=Nom|Person=2|PronType=Prs 43 nsubj _ _ 42 have have AUX VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 43 aux _ _ 43 turned turn VERB VBN Tense=Past|VerbForm=Part 40 ccomp _ _ 44 around around ADV RB _ 43 advmod _ _ 45 once once ADV RB _ 43 advmod _ _ 46 yourself yourself PRON PRP Case=Acc|Number=Sing|Person=2|PronType=Prs|Reflex=Yes 43 obl _ Agree=R7-rel-agree|Haiku=43:obj 47 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **turn** | present | the Moon | | | Moon's own axis | | once *property* | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme around axis=Trajectory | | 2 | **go** | present | Moon | | | the Earth | | once *property* | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme around earth=Initial\_Location | | 3 | **keep** | present | Moon | the same face | | | | towards us; always *property* | vn keep-15.2 «NP V NP»: agent=Agent face=Theme | | 4 | **walk** | infinitive | Moon *not said here* | | | a chair | | | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme around chair=Trajectory | | 5 | **face** | gerund | Moon *not said here* | face | | | | always *property* | vn fill-9.8-1 «NP V NP»: agent=Theme it=Destination | | 6 | **find** | future | you | | | | | | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent clause=Theme | | 7 | **turn around** | present · perfect | you | yourself | | | | around, once *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme | 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. **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:world:010-reasoning-about-space.lesson:0`. **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 ×1, R8-pos-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/). - ← previous: [Time zones and the calendar, 17](https://md.mova.elamur.ai/free/en/corpora/school/world/9-time-zones-and-the-calendar/17/) - next →: [Thinking like an astronomer, 1](https://md.mova.elamur.ai/free/en/corpora/school/world/10-reasoning-about-space/1/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/10-reasoning-about-space/)