Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...
Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.
A blue dwarf galaxy pitched through the bullseye's galactic neighborhood 50 million years ago, leaving behind nine glittering ...
The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...
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