http://www.zakzak.co.jp/top/2004_11/t2004110921.html

http://www.excite.co.jp/News/bit/00091099885473.html

http://nikkeibp.jp/wcs/leaf/CID/onair/jp/medi/342571

http://blog.livedoor.jp/nenrikiblog/

http://internet.watch.impress.co.jp/cda/news/2004/11/09/5327.html

http://www.nature.com/news/2004/041108/full/041108-2.html Seven stars orbiting the region identify the invisible object.

http://www.nikkei.co.jp/chubu/news/arc1045.html

http://release.japan.cnet.com/article.php?id=965

http://www.kyoto-np.co.jp/article.php?mid=P2004110900164&genre=B1&area=K1D

http://jp1.chinabroadcast.cn/1/2004/11/09/1@29818.htm

http://mytown.asahi.com/aichi/news01.asp?c=19&kiji=235

http://www.hokkoku.co.jp/_today/H20041109005.htm

http://www.astroarts.co.jp/news/2004/11/09ngc4555/index-j.shtml

http://headlines.yahoo.co.jp/hl?a=20041109-00000050-kyodo-soci

http://headlines.yahoo.co.jp/hl?a=20041109-00000158-kyodo-soci

http://headlines.yahoo.co.jp/hl?a=20041109-00000110-mai-soci

http://www.yomiuri.co.jp/science/news/20041109i111.htm

http://hotwired.goo.ne.jp/news/technology/story/20041109303.html

http://hotwired.goo.ne.jp/news/technology/story/20041109301.html

http://www.jst.go.jp/pr/info/info125/

http://www.aist.go.jp/aist_j/press_release/pr2004/pr20041109/pr20041109.html 『超高濃度オゾンの連続濃度計測を実現』

http://www.kobe-np.co.jp/kyodonews/news/4110901002817.html

http://www.yomiuri.co.jp/science/news/20041109i411.htm