Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.

The ACRO’s versatility is its strongest attribute. It’s an excellent primary red dot sight for carbines and shotguns and, when paired with an offset mount, is an optimal choice for a close-range sight ...

Tubeless: These are also known as open red dot sights. They are smaller and usually less expensive while offering a larger field of view. However, they are more exposed to damage.

The James Webb Space Telescope found "tiny red dots" in the early universe representing overgrown supermassive black holes and stars that are impossibly old for the infant cosmos.