Summer Triangle, signpost for all seasons

The Summer Triangle’s 3 brilliant stars – Vega, Deneb and Altair – are up before dawn in March, before midnight in May and at dusk on the summer solstice. Source: https://earthsky.org/sky-archive/the-summer-triangle-a-signpost-for-all-seasons…

Moon and star Antares morning of March 5, 2021

Let the moon show you Antares, a red supergiant star and the brightest star in the constellation Scorpius the Scorpion on the morning of March 5. Source: https://earthsky.org/tonight/moon-antares-morning-of-mar-5-2021…

Closest Mars-Pleiades conjunction until 2038

This year – on March 3, 2021 – the red planet Mars and the Pleiades star cluster – also known as the Seven Sisters – stage their closest conjunction on the sky’s dome until February 4, 2038. Source: https://earthsky.org/tonight/closest-mars-pleiades-conjunction-until-2038…

Mercury’s greatest elongation Mar 6, 2021

Mercury, the innermost planet, has a close conjunction with the king planet Jupiter on March 5, and then reaches its greatest elongation from the sun on March 6. Source: https://earthsky.org/tonight/mercurys-greatest-elongation-march-6-2021…

Moon, star Spica on Mar 1, 2021

This evening – March 1, 2021 – look eastward before going to bed and you just might catch the bright waning gibbous moon and the star Spica over the horizon. Source: https://earthsky.org/tonight/moon-star-spica-on-mar-1-2021…

Full Snow Moon on February 26-27, 2021

These next few nights – February 26 and 27, 2021 – watch for the full Snow Moon to light up the nighttime form dusk till dawn. Source: https://earthsky.org/tonight/full-snow-moon-on-feb-26-27-2021…

Best observing targets for binoculars

What are the best solar system and deep-sky objects to view to get the most out of your binoculars? From moon-encircled worlds to starry knots in the Milky Way, our list makes the sky’s wonders easy to find. Source: https://earthsky.org/astronomy-essentials/best-targets-for-binoculars-moon-planets-nebula-clusters…

Mercury-Saturn quasi-conjunction on February 23, 2021

Will you see Saturn and Mercury in the east before sunup these next few mornings? It won’t be easy. They’re near the sunrise. Their quasi-conjunction comes on February 23. Source: https://earthsky.org/tonight/mercury-saturn-quasi-conjunction-feb-23-2021…

Moon skims past Mars and Aldebaran February 17-19, 2021

The waxing crescent moon pairs up with the faint planet Uranus on February 17, flits by the red planet Mars on February 18, and then joins up with the red star Aldebaran on February 19. Source: https://earthsky.org/tonight/moon-mars-aldebaran-feb-17-18-19-2021…