You can think of the equinox not as a whole day, but as a point along Earth’s orbit. Want to understand that better? Guy Ottewell offers some insights. Source: https://earthsky.org/astronomy-essentials/astronomer-contemplates-equinox-sept-2019…
Tag: equinox
Are day and night equal at equinoxes?
September 23 is the equinox. The word means “equal night.” Days and nights are nearly equal now at the equinox, but not quite. Here’s why. Also, we’ve got a new word for you, equilux. It’s the word for when day and night are, in fact, equal. Source: https://earthsky.org/astronomy-essentials/why-arent-day-and-night-equal-on-the-day-of-the-equinox…
Year’s fastest sunsets around equinoxes
We’re talking about the actual rate at which the sun sinks below the horizon. It’s faster around the equinoxes than at any other time. Source: https://earthsky.org/tonight/fastest-sunsets-around-equinox-time…
A stargazer’s guide to the equinox and how Earth moves around the sun
As the September equinox falls, we begin a new astronomy series with all you need to know about how Earth’s orbit affects what we see in the night sky Source: https://www.newscientist.com/article/mg24332480-300-a-stargazers-guide-to-the-equinox-and-how-earth-moves-around-the-sun/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
How to see the Great Square of Pegasus
It’s easy! The Great Square of Pegasus consists of 4 stars of nearly equal brightness in a large square pattern. Once you find it, you can star-hop to other well-known sights in the sky. Source: https://earthsky.org/favorite-star-patterns/great-square-of-pegasus-wings-in-sept-equinox…
All you need to know: September equinox
We have an equinox coming up on September 23. Happy autumn, Northern Hemisphere. Happy spring, Southern Hemisphere. Source: https://earthsky.org/astronomy-essentials/everything-you-need-to-know-september-equinox…
Harvest Moon on Friday the 13th
For the Northern Hemisphere, the September 2019 full moon is the closest full moon to the September autumn equinox, so it counts as the Northern Hemisphere’s full Harvest Moon. Source: https://earthsky.org/tonight/harvest-moon-on-friday-the-13th…
All you need to know: 2019’s Harvest Moon
It’s an early Harvest Moon in 2019, coming up on September 13 and 14 for the Northern Hemisphere. Source: https://earthsky.org/astronomy-essentials/harvest-moon-2…
Orion’s Belt points to dazzling Sirius
You’ll find Orion and the bright star Sirius up before dawn now. They’ll be shifting into the evening sky as the months pass. Source: https://earthsky.org/tonight/good-sky-trick-orions-belt-points-to-starsirius…
Venus returns to evening sky
If you’re looking for Venus now – the brightest planet – you won’t find it with the eye alone. But it’s possible to catch the planet in September 2019, near the sunset, with a telescope. Source: https://earthsky.org/todays-image/photo-venus-evening-sky-sept-2019…