-
[科技新闻] 双语科技百科(天文) 第5期:新星和超新星
新星和超新星都是由新星的爆发而产生的变星。新星的爆发有时能在几天时间内将这颗星的亮度增强几千到几万倍,随后它又会渐渐暗弱下去,几年或十几年之后最终回到原来的亮度。2015-11-15 编辑:amy
Severity: Notice
Message: Memcache::connect(): Server 127.0.0.1 (tcp 11211, udp 0) failed with: Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
2015-11-15 编辑:amy