> For the complete documentation index, see [llms.txt](https://doc.duaer.com/zh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/zh/getting-started/apod.md).

# 在 Duaer 里查NASA 每日天文图

在 Duaer 里：NASA 每日天文图（APOD）：某一天或连续多天的天文图片或视频及其讲解。一次成功查询用 1 额度。
## 能拿到什么

Duaer 数据市场里的「NASA 每日天文图」：NASA 每日天文图（APOD）：某一天或连续多天的天文图片或视频及其讲解。查到结果时用 1 额度，结果交给数字组织的下一个节点。

从节点创建器选 Duaer 数据 → NASA 每日天文图，或打开 [数据市场](/zh/getting-started/data-market.md)。相关：[系外行星](/zh/getting-started/exoplanets.md)、[NASA 太阳耀斑](/zh/getting-started/solar-flares.md)。

## 适合做什么

- 在简报或应用里展示每日天文图。
- 汇总一周的 APOD 图片及其署名。

## 在画布里检索

1. 打开节点创建器，选 Duaer 数据 → NASA Astronomy Picture of the Day。
2. 填 Days（如 7）；Date 可选（如 2026-09-28）。
3. Limit 默认 10，最大 20。执行。

查到结果才扣 1 额度；没有结果、输入有误或上游失败都不扣。

## 用 API 调用

- GET https://api.duaer.com/v1/data/apod?days=1
- Authorization: Bearer <Duaer key>

下方是与数据市场「复制技能」相同的英文技能，含参数、示例与返回字段。

## 调用技能（英文）

与数据市场「复制技能」一致。

```
---
name: duaer-apod
description: >-
  Duaer NASA Astronomy Picture of the Day. NASA APOD: the daily astronomy image or video with its explanation, for one day or a range of days.
  One successful search uses 1 Duaer credit.
---

# Duaer NASA Astronomy Picture of the Day

Duaer NASA Astronomy Picture of the Day returns the APOD entry for a day or a run of days, newest first, with the image link and the explanation. Duaer holds the upstream API key; you only send your Duaer key.

## When to use

- Show the astronomy picture of the day in a newsletter or app.
- Collect a week of APOD images with credits.

## When not to use

- Asteroid data. Use https://skills.duaer.com/small-bodies.md.
- Space weather. Use https://skills.duaer.com/solar-flares.md.

## Call

`GET https://api.duaer.com/v1/data/apod?days=1`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `date` or `days`.

- `date` — Optional. YYYY-MM-DD from 1995-06-16. Default is the latest picture.
- `days` — Optional. Pictures for this many days ending on `date`, 1 to 20. Default 1.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

## Examples

- `GET https://api.duaer.com/v1/data/apod?days=1` — the latest picture.
- `GET https://api.duaer.com/v1/data/apod?date=2026-09-28&days=7` — the week ending 28 September 2026.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `date`, `mediaType` — day and image or video.
- `imageUrl`, `thumbnailUrl` — full image (or video) and video thumbnail.
- `copyright` — credit; empty means public domain.
- `explanation` — the APOD text.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/exoplanets.md — Duaer Exoplanets
- https://skills.duaer.com/solar-flares.md — Duaer NASA solar flares

```
## Questions

### Duaer 的NASA 每日天文图检索扣多少额度？

查到结果时扣 1 额度；没有结果或出错不扣。

### Duaer NASA 每日天文图的图片能直接用吗？

署名为空的是公有领域图片；有 copyright 的请按作者要求使用。Duaer 返回原图链接与署名。

## 相关

- [在 Duaer 里查系外行星](https://doc.duaer.com/zh/getting-started/exoplanets.md)
- [在 Duaer 里查NASA 太阳耀斑](https://doc.duaer.com/zh/getting-started/solar-flares.md)