Look to the west on the nights following June 18 to see Mars sweep previous the brilliant star Regulus to enter the Spring Triangle – a formation of three distinguished stellar our bodies which can be seen as spring transitions to summer time within the northern hemisphere.
Every of the three large stars that make up the Spring Triangle – Spica, Arcturus and Regulus – belongs to a special constellation within the night time sky.
Orange-hued Arcturus might be discovered excessive above the southwestern horizon within the hours following sundown in June, surrounded by stars from the constellation Bootes, the herdsman. Blue-white Spica is seen nearly straight beneath, embedded within the constellation Virgo, whereas kingly Regulus – sometimes called the guts of the lion in Leo – might be discovered near the western horizon, finishing the cosmic triangle.
Eagle-eyed stargazers might have seen Mars drawing nearer to Regulus in latest weeks as its orbit carries it inexorably alongside the road of the ecliptic – the identify given to the obvious path taken by the solar and planets as they drift via Earth’s sky.
Mars will likely be positioned near the higher left of Regulus within the hours following sundown on June 18, with lower than 1 diploma separating the 2 celestial our bodies. For reference, 1 diploma is roughly the equal width of your little finger tip when held out at arms size in opposition to the night time sky.
By the next night time, Mars can have formally entered the Spring Triangle, having (simply) crossed the imaginary line becoming a member of Regulus and Arcturus. The Crimson Planet will proceed to skim alongside the decrease fringe of the triangle till it strikes past Spica in mid September.
Stargazers hoping to discover the night time sky for themselves ought to take a look at our guides to the very best telescope and binocular offers accessible in 2025. These new to the pursuit must also learn our checklist of the very best smartphone stargazing apps, lots of which use augmented actuality expertise to assist customers navigate the multitude of stars and deep sky objects which can be seen from Earth.
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