Galaxy NGC 2276 Poster Size:L - 70 x 50cm providing evidence of dark matter's

providing evidence of dark matter's presence – the mysterious substance that makes up approximately 85% of all matter in our universe but cannot be directly observed

elliptical orbit

Unlike most planets

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Disk: Younger populations (1-5 billion years) arranged in winding arms

Galaxy NGC 2276 Poster Size:L - 70 x 50cm providing evidence of dark matter'sSpiral galaxy NGC 2276 The magnificent spiral galaxy NGC 2276 looks a bit lopsided in this Hubble Space Telescope snapshot. A bright hub of older yellowish stars normally lies directly in the center of most spiral galaxies. But the bulge in NGC 2276 looks offset to the upper left. In reality, a neighboring galaxy to the right of NGC 2276 (NGC 2300, not seen here) is gravitationally tugging on its disk of blue stars, pulling the stars on one side of