a.基础知识:https://docs.qq.com/pdf/DR1FFbkxETUZPYnVW
b.Galaxy10 SDSS Dataset数据集描述:https://astronn.readthedocs.io/en/stable/galaxy10sdss.html
c.Galaxy10 SDSS Dataset数据集下载:http://www.astro.utoronto.ca/~bovy/Galaxy10/Galaxy10.h5
d.训练示例 https://github.com/henrysky/astroNN/blob/master/demo_tutorial/galaxy10/Galaxy10_Tutorial.ipynb
数据分为星系、类星体、恒星三类