What is the Autumn Equinox?
Вставка
- Опубліковано 3 чер 2024
- Learn about the autumn equinox and why we experience equal parts day and night for two days out of the year.
Chapters
0:00 - Intro
2:07 - Celestial Sphere Animation
4:00 - Sun's position on the horizon throughout the year
5:18 - Effects of the Equinox
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Thank You Janine, I live in Western Australia and grew up in Scotland, ive been in Australia for 13yrs and it's interesting experiencing how the Equinoxs & Solstices are opposite for the Northern hemisphere & the southern hemisphere, coupled with different seasons too, growing up in Scotland there is the distinct 4 seasons - very often in one day! Whereas living in Perth Western Australia on Noongar indigenous Aboriginal land we have 6 seasons, and as far as I'm aware different parts of Australia and the world have different seasons too. I'm also being reminded of the impacts of climate change too on the Earth and the seasons 🌏🌈✨
6:30- the giant blue marble at the end is awesome 👍
I vaguely remember as a child that we were taught that the Autumn,well all the seasons, have a calendar start on the 21st of the month no matter when the Equniox/Solstices are however metrologists consider Autumn to begin on the 1st of September.Astronomically I am with the metrologists as the Pleiades are pretty dominant in the east come September and you don't have to stay up until after midnight!
Fun fact - if you lookup the sunset and sunrise times on the the first day of fall for your hometown you might notice night and day are not equal! Day is about 12hr 10min and night 11hr 50min. You might think, what's going on?
During a sunset(and sunrise) the atmosphere refracts the light from the sun upward to your eyes, giving a few minutes extra daylight. So the sun you're looking at on the horizon, in reality, has already set! This always blew my mind.
In a way, we are always looking back in time. Even the sunlight takes 8 minutes to reach Earth. Thank you for sharing.
I was wondering if you were going to make a video on this topic and 💥 there it is! Thanks for these videos I absolutely love astronomy!
Those animations are stellar, thank you! My daughter has been talking about the equinox lately and they'll be a great way to illustrate it.
Nice voice.
Many thanks! Love Autumn 🍂!!
The actual equinox occurred during the very early hours of the morning for my neck of the woods so I remembered to take down my summery garden flags before going to bed!!!😊
I’m currently saying goodbye to my summer garden as the fall arrives. That is the only hard part of autumn for me. We also made the flag switch! 🍁
Thank you for sharing this ❤
Thank you. Love the video.
Thanks a lot
I basically made the autumn triangle asterism which has Mirfak(Perseus), Alpheratz(Andromeda) and Enif(Pegasus)
I love it!
Awesome
Hunters love the fall exinox. The second full moon after that is peek rut.
Another great video Ms.Janine. I saw Pleiades n Hyieades with my 66 ultra wide 20mm ep. Just stunning . clear skys.
I never get tired of seeing the Pleiades. The first time I showed it to my daughter through a telescope she said "Look Mommy, those are spirits dancing in the sky!" It is such a precious memory to me.
there really isnt much difference between summer and winter in hawaii aside from the amount of daylight and night. the one thing i do notice to mark "seasons" here are the equinoxes. the autumn equinox brings about a month and a half of hot and humid with little rain. the spring equinox brings about a month and a half of cold and humid with lots of thunder and lightning storms. Both Lahaina noons are also fun to watch as long as the day isn't cloudy.
late! but lets see! 😊
Yay! Another one!
(FYI, dead link to your stargazing guide.)
Thanks! I’ll fix that!
Quick question: My understanding was that we can only see stars within the Milky Way Galaxy from Earth. At the end of the video you mention we can see beyond the Milky Way. You mean using powerful telescopes correct?
I am very limited in my knowledge, and love your channel because of the knowledge you offer. I apologize if this is a dumb question.
The stars we see with the unaided eye are from within our galaxy. When the Milky Way is absent in the sky, we are able to see more galaxies because they aren’t being obscured from the gas and dust in our own galaxy. And yes, for the most part we need telescopes to see the distant galaxies, but a few you can see without a telescope, like the Andromeda Galaxy. I hope this helps. And I always tell my students in class…the only dumb question is the one that isn’t asked. I’m glad you are looking for answers. 🌌
@@learnthesky Thank you very much for such a detailed answer. I really appreciate it, and your patience with me. Lol!
@@learnthesky I did see Aries last night (Three of the stars) high above Jupiter. I learned about the Star Hamel. It's name's origin, light years from Earth, that it is now in the Red giant branch after burning through its hydrogen, and that it is the brightest star in the Aries constellation.