ngc 253造句

• The first detection of 稢N in extragalactic sources were seen toward Sculptor Galaxy ( NGC 253 ), IC 342, and M82 In 1988.
• The Sculptor Galaxy ( NGC 253 ), a barred spiral galaxy and the largest member of the group, lies near the border between Sculptor and Cetus.
• Because of the widespread interest in interstellar formaldehyde it has recently been extensively studied, yielding new extragalactic sources, including NGC 253, NGC 520, NGC 660, NGC 891, NGC 2903, NGC 3079, NGC 3628, NGC 6240, NGC 6946, IC 342, IC 860, Arp 55, Arp 220, M82, M83, IRAS 10173 + 0828, IRAS 15107 + 0724, and IRAS 17468 + 1320.