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A stunning image from the James Webb Space Telescope revealing concentric angular rings around a giant, distant star stirred a frenzy online in September. "It must be aliens," some geeks speculated.

PGC 6240 is an elliptical galaxy that resembles a pale rose in the sky, with hazy shells of stars encircling a very bright centre. Some of these shells are packed close to the centre of the galaxy, ...

The glowing object in this Hubble Space Telescope image is an elliptical galaxy called NGC 3923. It is located over 90 million light-years away in the constellation of Hydra. NGC 3923 is an example of ...

The NASA/ESA Hubble Space Telescope has captured in intricate detail the beautiful petal-like shells of galaxy PGC 6240, set against a sky full of distant background galaxies. This cosmic bloom is of ...