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Most early astronomy consisted of mapping the positions of the stars and planets, a science now referred to as astrometry. From these observations, early ideas about the motions of the planets were formed, and the nature of the Sun, Moon and the Earth in the Universe were explored philosophically.
These alignments have different names depending on the number of stars visible. Three planets constitutes a mini alignment. Four planets are a small alignment, which we saw during April 8’s eclipse.
In astronomy, the fixed stars (Latin: stellae fixae) are the luminary points, mainly stars, that appear not to move relative to one another against the darkness of the night sky in the background. This is in contrast to those lights visible to naked eye , namely planets and comets , that appear to move slowly among those "fixed" stars.
Five planets are going to be retrograde in the summer of 2024. Here are the dates for Mercury retrograde, Venus retrograde, Saturn retrograde, Neptune retrograde, Pluto retrograde and more.
Many associated the classical planets (these star-like points visible with the naked eye) with deities, in part due to their puzzling forward and retrograde motion against the otherwise fixed stars, which gave them their nickname of "wanderer stars", πλάνητες ἀστέρες (planētes asteres) in Ancient Greek, from which today's word ...
This is important context for understanding both star and planet formation.” ... This article originally appeared on USA TODAY: NASA's Webb telescope spots 6 rogue planets in nearby nebula.