# 天経或問 (Tianjing huowen; Tenkei wakumon; Some questions about astronomy)

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15177
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# 天経或問 (Tianjing huowen; Tenkei wakumon; Some questions about astronomy)

Details

Collection Description

*天経或問* (Chinese: *Tianjing huowen*; Japanese: *Tenkei wakumon*; *Some questions about astronomy**,* alternative translation *Celestial Canon: Questions and Answers)* is one of the earliest Chinese astronomy textbooks.

This is a rare first-edition copy printed in Edo (now Tokyo) in 1730. The original 1672 Chinese edition does not seem to have survived, making this 18th-century Japanese edition the oldest extant version.

The work consists of four individual parts:

- [Preface](https://digital.library.sydney.edu.au/nodes/view/15173)
- [Volume 1 (Heaven/Sky)](https://digital.library.sydney.edu.au/nodes/view/15174)
- [Volume 2 (Earth)](https://digital.library.sydney.edu.au/nodes/view/15175)
- [Appendix](https://digital.library.sydney.edu.au/nodes/view/15176)

The main text (the preface and first two volumes) are in classical Chinese by 游藝 (You Yi) with edits and supplements in the appendix by 西川正休 (Nishikawa Seikyū) in Japanese.

The work is historically significant for its contribution to astronomy and geography. It includes a map of the southern hemisphere with a distinctly Australian shape attached to a southern continent.

These items were acquired with funds from the Bequest of Dr M J Morrissey in honour of Professor Arthur Lindsay Sadler for the Library's East Asian Collection.

SubjectsAstronomy, ChineseAstronomy -- Early works to 1800

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Text

[\

天經或問 / 游藝輯 ; 西川正休訓點 = Tianjing huowen (preface)](https://digital.library.sydney.edu.au/nodes/view/15173)

[\

天經或問 / 游藝輯 ; 西川正休訓點 = Tianjing huowen, volume 1](https://digital.library.sydney.edu.au/nodes/view/15174)

[\

天經或問 / 游藝輯 ; 西川正休訓點 = Tianjing huowen, volume 2](https://digital.library.sydney.edu.au/nodes/view/15175)

[\

天經或問 / 游藝輯 ; 西川正休訓點 = Tianjing huowen (appendix)](https://digital.library.sydney.edu.au/nodes/view/15176)

Collections[East Asian Collection](https://digital.library.sydney.edu.au/nodes/view/13666)

*天経或問 (Tianjing huowen; Tenkei wakumon; Some questions about astronomy)*. University of Sydney Library, accessed 10/03/2026, https://digital.library.sydney.edu.au/nodes/view/15177

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return result;
}
//parse string
var jsonParse = function(param) {
var result;
try {
result = JSON.parse(param);
} catch (e) {
console.error("Error on JSON PARSE FUNCTION." + e);
}
return result;
}
//XSS protection
var encodingHtmlEntities = function(str) {
return String(str).replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;'); //.replace(/&/g, '&amp;')
}
//get localStorageKey from URL
const localStorageKey = parseReq(window.location.search).filter(e => Object.keys(e) == "lsk");
const otherKeys = parseReq(window.location.search).filter(e => Object.keys(e) != "lsk");
let searchParam = "";
otherKeys.forEach(e => {
searchParam += "&" + Object.keys(e) + "=" + Object.values(e);
});
//if don't have a key in URL break function
if ((localStorageKey && localStorageKey.length === 0)) return;
//get key from string
const KEY = localStorageKey[0].lsk;
//this key doesn't have a data break function
if (!window.localStorage.getItem(KEY) && !window.sessionStorage.getItem(KEY)) return;
var cleanLocalStorage = function() {
for (let key in window.sessionStorage) {
if ((key != KEY) && (key != "\_" + KEY)) {
window.sessionStorage.removeItem(key);
}
}
}
if (Object.keys(window.sessionStorage).length > 1) {
cleanLocalStorage();
}
//return current ID
var getCurrentId = function() {
let path = window.location.pathname.split('/');
return path[path.length - 1];
}
//get position of element in an array
var getPositionInArray = function(sessionStorage) {
for (let i = 0; i < sessionStorage.length; i++) {
if (Object.keys(sessionStorage[i])[0] == getCurrentId()) {
return i;
}
}
return 0;
}
//get range
var ss\_getRange = function(sessionStorage) {
const array = jsonParse(decoding(sessionStorage));
let position = Number(getPositionInArray(array));
return range = {
prev: array[position - 1] ? array[position - 1] : {},
current: array[position] ? array[position] : {},
next: array[position + 1] ? array[position + 1] : {},
position
}
}
//generate object of position, index, page and length
var getPosition = function() {
let arr = jsonParse(decoding(currentStorage.searchSet));
let position = {
page: currentStorage.page,
index: getPositionInArray(arr),
length: arr.length
};
return position;
}
var getByPosition = function(array, idx) {
return jsonParse(decoding(array))[idx];
}
if (!window.sessionStorage.getItem(KEY)) {
window.sessionStorage.setItem("\_" + KEY, window.localStorage.getItem(KEY));
window.localStorage.removeItem(KEY);
}
//get initial information from LocalStorage
const searchResult = jsonParse(decoding(window.sessionStorage.getItem("\_" + KEY)));
const itemsSet = searchResult.itemsSet;
const searchReq = decoding(searchResult.request);
const pageCount = jsonParse(searchResult.pageCount);
const countElem = jsonParse(searchResult.countElem);
//set local variable
let perPage = jsonParse(searchResult.perPage);
let requestWasSent = false;
//SESSION SECTION
let sessionKey = KEY;
//get sessionStorage by key, if it's not exist set null
let sessionStorage = window.sessionStorage.getItem(sessionKey) || null;
let sessionItemSet = "";
if (sessionStorage) {
sessionItemSet = JSON.parse(sessionStorage).searchSet;
} else {
sessionItemSet = itemsSet;
}
//create local state
let currentStorage = {
page: jsonParse(searchResult.currentPage),
prevSearchSet: "",
searchSet: sessionItemSet,
nextSearchSet: "",
current: ss\_getRange(itemsSet).current,
prev: ss\_getRange(itemsSet).prev,
next: ss\_getRange(itemsSet).next,
position: ss\_getRange(itemsSet).position
}
var setSessionStorage = function() {
window.sessionStorage.setItem(sessionKey, JSON.stringify(currentStorage))
}
//if sessionStorage empty set it with initialState of currentStorage
//if sessionStorage has this key update it with new value
if (!sessionStorage) {
let range = ss\_getRange(itemsSet);
setSessionStorage();
pageNumber = searchResult.currentPage;
} else {
let currentArray = jsonParse(sessionStorage).searchSet;
let currentPage = jsonParse(sessionStorage).page;
let currentRange = ss\_getRange(currentArray);
currentStorage.page = jsonParse(sessionStorage).page;
// currentStorage.current = ss\_getRange(itemsSet).current;
// currentStorage.prev = ss\_getRange(itemsSet).prev;
// currentStorage.next = ss\_getRange(itemsSet).next;
// currentStorage.position = ss\_getRange(itemsSet).position;
currentStorage.current = ss\_getRange(jsonParse(sessionStorage).searchSet).current;
currentStorage.prev = ss\_getRange(jsonParse(sessionStorage).searchSet).prev;
currentStorage.next = ss\_getRange(jsonParse(sessionStorage).searchSet).next;
currentStorage.position = ss\_getRange(jsonParse(sessionStorage).searchSet).position;
currentStorage.prevSearchSet = jsonParse(sessionStorage).prevSearchSet;
currentStorage.nextSearchSet = jsonParse(sessionStorage).nextSearchSet;
if (currentStorage.position === 0 && currentStorage.prevSearchSet != "") {
let prevSet = currentStorage.prevSearchSet;
currentStorage.prev = getByPosition(prevSet, jsonParse(decoding(prevSet)).length - 1);
}
if (currentStorage.position === jsonParse(decoding(currentArray)).length - 1 && currentStorage.nextSearchSet != "") {
let nextSet = currentStorage.nextSearchSet;
currentStorage.next = getByPosition(nextSet, 0);
}
setSessionStorage();
}
let nextPage = currentStorage.page;
//update set of nodes array
var updateLocalStorage = function(data, searchReq, pageNum) {
let newitemsSet = data.nodes.map(e => e.Node).map(e => {
let x = {
[e.id]: e.title
};
return x;
});
let newSet = encoding(JSON.stringify(newitemsSet));
let range = ss\_getRange(currentStorage.searchSet);
if (currentStorage.position == 0) {
currentStorage.prev = getByPosition(newSet, newitemsSet.length - 1);
currentStorage.prevSearchSet = newSet;
}
if (currentStorage.position == (jsonParse(decoding(currentStorage.searchSet)).length - 1) && jsonParse(decoding(currentStorage.searchSet)).length > 1) {
currentStorage.next = getByPosition(newSet, 0);
currentStorage.nextSearchSet = newSet;
}
setSessionStorage();
createButtonsBlock();
}
var sendRequest = function(direction) {
let pageNum = 1;
if (direction.page == 1) {
pageNum = direction.index == 0 ? 1 : (Number(direction.page) + 1);
} else if (direction.page > 1 && direction.page < pageCount) {
pageNum = direction.index == 0 ? (Number(direction.page) - 1) : (Number(direction.page) + 1);
} else {
pageNum = direction.index == 0 ? (Number(direction.page) - 1) : pageCount;
}
const regex = /(page=\d\*)/ius;
let otherReq = searchReq != "" ? (regex.test(searchReq)) ? searchReq.replace(regex, `page=${pageNum}`) : `${searchReq}&page=${pageNum}` : `?page=${pageNum}`;
let newRequest = (searchReq != "" && regex.test(searchReq)) ? searchReq.replace(regex, `page=${pageNum}`) : otherReq;
$.get('/nodes/search\_result/1' + newRequest, data => updateLocalStorage(data, newRequest, pageNum));
}
var getNewArrayOfIds = async function(position) {
if (position.index != 0 && position.index != position.length - 1) {
return;
}
if (((Number(position.index) == position.length - 1) && (Number(position.page) < pageCount)) ||
((Number(position.index) == 0) && (Number(position.page) > 1 && Number(position.page) <= pageCount))) {
if (!requestWasSent) {
await sendRequest(position);
requestWasSent = true;
}
}
}
var getURL = function(pathname = false) {
if (pathname) {
return window.location.origin + window.location.pathname;
}
return window.location.origin;
}
var getParam = function() {
return window.location.search
}
// Added directionForAria - to allow a screen reader to announce 'next item:item title.'
// Unsure if it's safe to change the exisiing data-dir for this - it may be referenced somewhere else.
var createBtn = function(id, title, direct, directionForAria) {
return `<span>
<a href="${getURL()}/nodes/view/${id}?lsk=${KEY}${searchParam}" aria-label='${directionForAria} Item:${title}' title="${encodingHtmlEntities(title)}" data-dir='${direct}'><i class='fa fa-chevron-${direct}'></i></a>
</span>`;
}
var createButtonsBlock = function() {
let rangePrev = Object.keys(currentStorage.prev).length > 0 ? currentStorage.prev : 0;
let rangeNext = Object.keys(currentStorage.next).length > 0 ? currentStorage.next : 0;
let prev = rangePrev != 0 ? rangePrev : "none";
let next = rangeNext != 0 ? rangeNext : "none";
let prevBtn = "<a href='#' style='pointer-events: none;'><i class='fa fa-chevron-left'></i></a>";
let nextBtn = "<a href='#' style='pointer-events: none;'><i class='fa fa-chevron-right'></a>";
if (prev != "none") {
prevBtn = createBtn(Object.keys(prev), Object.values(prev), "left", "Previous");
prevId = Object.keys(prev);
}
if (next != "none") {
nextBtn = createBtn(Object.keys(next), Object.values(next), "right", "Next");
nextId = Object.keys(next);
}
let pos = getPosition();
getNewArrayOfIds(pos);
let arrCount = perPage > 0 ? perPage : 24;
let searchPos = Number(pos.page) == 1 ? (pos.index + 1) : (((Number(pos.page) - 1) \* arrCount) + (pos.index + 1));
$el.innerHTML = `<div class="nav-btn left-btn">${prevBtn}</div>
<div class="nav-btn result-btn">Result ${searchPos} from ${countElem}</div>
<div class="nav-btn bingo right-btn">${nextBtn}</i></div>`;
$('[data-dir="left"]').one('click', () => {
if (pos.index == 0) {
nextPage = currentStorage.page - 1;
}
});
$('[data-dir="right"]').one('click', () => {
if (pos.index == pos.length - 1) {
nextPage = currentStorage.page + 1;
}
});
}
createButtonsBlock();
window.addEventListener('beforeunload', (event) => {
// DF 2023-02-15 R1X-8549 Should not call event.preventDefault() if we don't want
// to propmt the "Are you sure you want to leave the page"-dialog.
if (window.sessionStorage.getItem(sessionKey)) {
if (currentStorage.nextSearchSet != "" || currentStorage.prevSearchSet != "") {
if (currentStorage.page != 1 || currentStorage.page != pageCount) {
if (nextPage > currentStorage.page) {
currentStorage.prevSearchSet = currentStorage.searchSet;
currentStorage.searchSet = currentStorage.nextSearchSet;
currentStorage.nextSearchSet = "";
currentStorage.next = {};
}
if (currentStorage.page > nextPage) {
currentStorage.nextSearchSet = currentStorage.searchSet;
currentStorage.searchSet = currentStorage.prevSearchSet;
currentStorage.prevSearchSet = "";
currentStorage.prev = {};
}
currentStorage.page = nextPage;
}
}
setSessionStorage();
}
}, {
once: true
});
//TO HIDE PARAMS. IT REMOVES PARAMS FROM URL
// history.pushState("", null, getURL(true));
})()

#back-forward {
display: flex;
width: 100%;
max-width: 100%;
justify-content: space-between;
box-sizing: border-box;
/\* margin: 5px 0 5px 5px; \*/
border-radius: 4px;
}
.nav-btn {
padding: 5px;
background-color: #f0f0f0;
}
.left-btn {
border-radius: 2px 0 0 2px;
background-color: #fff;
border: 1px solid #e5e5ee;
}
.right-btn {
border-radius: 0 2px 2px 0;
background-color: #fff;
border: 1px solid #e5e5ee;
}
.result-btn {
/\* font-size: 1.1em;
font-weight: 700; \*/
width: 100%;
border-top: 1px solid #e5e5ee;
border-bottom: 1px solid #e5e5ee;
text-align: center;
}
#dialog-clone-form {
display: none;
}