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Tycho's Supernova Remnant: Tycho's Remnant Provides Shocking Evidence for Cosmic Rays (The hot, expanding debris of a supernova observed in 1572.)
by Smithsonian Institution
by Smithsonian Institution
No known copyright restrictions(著作権制限なし)

The remnant of a supernova located 6000 light years from Earth in the constellation Taurus.
by Smithsonian Institution
by Smithsonian Institution
No known copyright restrictions(著作権制限なし)

Westerlund 1 (A dense cluster of young stars about 16,000 light years from Earth.)
by Smithsonian Institution
by Smithsonian Institution
No known copyright restrictions(著作権制限なし)

Abell 1689: A Galaxy Cluster Makes Its Mark (A galaxy cluster at a distance of about 2.3 billion light years from Earth.)
by Smithsonian Institution
by Smithsonian Institution
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)

A Black Hole in Medusa's Hair: A galaxy lies about 110 million light years away.
by Smithsonian Institution
by Smithsonian Institution
No known copyright restrictions(著作権制限なし)

SN 1996cr in Circinus: Powerful Nearby Supernova Caught by Web (A supernova in Circinus galaxy about 12 million light years away.)
by Smithsonian Institution
by Smithsonian Institution
No known copyright restrictions(著作権制限なし)

X-ray Mosaic of Galactic Center: Chandra Takes In the Bright Lights, Big City of the Milky Way
by Smithsonian Institution
by Smithsonian Institution
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)
61件~120件 (全 37,163件)