标签: 宇宙岛

NGC 1365: 壮丽的宇宙岛

2021年01月08日 NGC 1365: Majestic Island Universe Image Credit & Copyright: Mike Selby, Leonardo Orazi Explanation: Barred spiral galaxy NGC 1365 is truly a majestic island universe some 200,000 light-years across. Located a mere 60 million light-years away toward the chemical constellation Fornax, NGC 1365 is a dominant member of the well-studied Fornax C...

M106方向的景观

2020 May 1 A View Toward M106 Image Credit & Copyright: Joonhwa Lee Explanation: Big, bright, beautiful spiral, Messier 106 dominates this cosmic vista. The nearly two degree wide telescopic field of view looks toward the well-trained constellation Canes Venatici, near the handle of the Big Dipper. Also known as NGC 4258, M106 is about 80,000 light-year...

仙女座大星系

2020 April 30 Andromeda Island Universe Image Credit & Copyright: Yuzhe Xiao Explanation: The most distant object easily visible to the unaided eye is M31, the great Andromeda Galaxy some two and a half million light-years away. But without a telescope, even this immense spiral galaxy – spanning over 200,000 light years – appears as a faint,...