--- title: Astronomers measure the solar system in astronomical units, where 1… — Distances and light years · tree and pragmatics description: Astronomers measure the solar system in astronomical units, where 1 AU is Earth's average distance from the Sun, about 150 million km. Who acts: Astronomers, 1 AU. A sentence of the lesson «Distances and light years» of the space course of Mova's primary school with its dependency tree and the pragm --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/space/22-distances-and-light-years/7/) [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/) / [Distances and light years](https://md.mova.elamur.ai/free/en/corpora/school/space/22-distances-and-light-years/) / 7 # Distances and light years, sentence 7 Astronomers measure the solar system in astronomical units, where 1 AU is Earth's average distance from the Sun, about 150 million km. **Who acts:** Astronomers, 1 AU · **What happens:** measure, be · **To what, where:** solar system, astronomical units, average distance, Sun This is a sentence of the lesson «Distances and light years» 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, 1 AU), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:space:022-distances-and-light-years.lesson:7 # text = Astronomers measure the solar system in astronomical units, where 1 AU is Earth's average distance from the Sun, about 150 million km. # source = school lesson (ours) # course = space # lesson = 022-distances-and-light-years.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): R5-strong ×1, R7-rel-agree ×2 1 Astronomers astronomer NOUN NNS Number=Plur 2 nsubj _ _ 2 measure measure VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 5 det _ _ 4 solar solar ADJ JJ Degree=Pos 5 amod _ _ 5 system system NOUN NN Number=Sing 2 obj _ _ 6 in in ADP IN _ 8 case _ _ 7 astronomical astronomical ADJ JJ Degree=Pos 8 amod _ _ 8 units unit NOUN NNS Number=Plur 2 obl _ _ 9 , , PUNCT , _ 17 punct _ _ 10 where where ADV WRB PronType=Rel 17 advmod _ _ 11 1 1 NUM CD NumForm=Digit|NumType=Card 12 nummod _ _ 12 AU au NOUN NN Number=Sing 17 nsubj _ _ 13 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 17 cop _ _ 14 Earth Earth PROPN NNP Number=Sing 17 nmod:poss _ _ 15 's 's PART POS _ 14 case _ _ 16 average average ADJ JJ Degree=Pos 17 amod _ _ 17 distance distance NOUN NN Number=Sing 8 acl:relcl _ _ 18 from from ADP IN _ 20 case _ _ 19 the the DET DT Definite=Def|PronType=Art 20 det _ _ 20 Sun Sun PROPN NNP Number=Sing 17 nmod _ _ 21 , , PUNCT , _ 24 punct _ _ 22 about about ADV RB _ 24 advmod _ Agree=R5-strong|Haiku=23:advmod 23 150 150 NUM CD NumForm=Digit|NumType=Card 24 compound _ Agree=R7-rel-agree|Haiku=24:nummod 24 million million NUM CD NumForm=Word|NumType=Card 25 nummod _ Agree=R7-rel-agree|Haiku=25:compound 25 km km NOUN NN Number=Sing 17 nmod:unmarked _ _ 26 . . PUNCT . _ 2 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **measure** | present | Astronomers | the solar system | | astronomical units | | | vn register-54.1-2-1 «NP V NP.value»: agent=Theme system=Value | | 2 | **is a** | present | 1 AU | Earth's average distance | | the Sun | | million km *nmod:unmarked* | tree rules | 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:space:022-distances-and-light-years.lesson:7`. **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): R5-strong ×1, 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/). - ← previous: [Distances and light years, 6](https://md.mova.elamur.ai/free/en/corpora/school/space/22-distances-and-light-years/6/) - next →: [Distances and light years, 8](https://md.mova.elamur.ai/free/en/corpora/school/space/22-distances-and-light-years/8/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/space/22-distances-and-light-years/)