Tag Archives: conjunction

The “alien mothership” hypothesis for interstellar comet 3I/ATLAS is about to have a key test, as it hits solar conjunction and perihelion. What does that mean, and why is a Harvard professor of astronomy telling people to book their vacation ahead of October 29? Let’s find out. On July 1, astronomers from the Asteroid Terrestrial-impact Last Alert System (ATLAS) spotted …

Press enter or click to view image in full size (Credit: NASA/JPL) On October 21, 2025, the interstellar object 3I/ATLAS will be exactly on the opposite side of the Sun relative to Earth, constituting a so-called `solar-conjunction’. When you look up towards the sky that day, keep in mind that 3I/ATLAS is hiding behind the Sun. Under these circumstances, it …

If you were up before dawn, then you were lucky enough to see a breathtaking celestial sight. Many early-morning stargazers captured striking images of an eye-catching conjunction of the moon with Venus and Regulus, among the brightest stars in the night sky. Just before sunrise, the waning crescent moon, the brilliant planet Venus, and Regulus, the brightest star in the …

One of the best naked-eye stargazing sights of the year is on offer to skywatchers this week — if you can rise before the sun Friday (Sept. 19). Just before sunrise, the crescent moon, the brilliant planet Venus and the bright star Regulus (the brightest star in the constellation Leo) will cluster together on the east-northeast horizon. There will be …

Just as the Perseid meteor shower approaches its peak, two luminous planets are getting in on the night-sky action. Venus and Jupiter, the two brightest planets in the sky, will meet in a conjunction very early on Tuesday morning (Aug. 12). On this morning, the two planets will be less than a degree apart — approximately the length of your …