Starship Asterisk*

[quote=bystander post_id=322356 time=1650997638 user_id=112005]
[quote=MoonRockMan post_id=322355 time=1650992802 user_id=146309]
Why exactly is the line of planets mostly horizontal in the northern hemisphere but more vertical in the southern hemisphere? :)
[/quote]
I wondered that myself, but I think it has to do with the difference between the Earth's equatorial plane and the ecliptic, the Earth's path around the Sun. (I say the ecliptic, but it's more likely the plane of the Solar system.)
[/quote]
[quote="Chris Peterson" post_id=322357 time=1650999981 user_id=117706]
The ecliptic sweeps across the sky over the course of the day. In Sydney, a bit before dawn, it passed almost straight overhead, so we see the planets vertical with respect to the eastern horizon. In New York the ecliptic is overhead now in the middle of the day, and the planets look vertical with respect to the western horizon. But since the Sun is up, we don't see them. The planets would be horizontal in Sydney in late morning.
[/quote]

Thank you so much!

[quote=MoonRockMan post_id=322355 time=1650992802 user_id=146309]
Why exactly is the line of planets mostly horizontal in the northern hemisphere but more vertical in the southern hemisphere? :)
[/quote]

The ecliptic sweeps across the sky over the course of the day. In Sydney, a bit before dawn, it passed almost straight overhead, so we see the planets vertical with respect to the eastern horizon. In New York the ecliptic is overhead now in the middle of the day, and the planets look vertical with respect to the western horizon. But since the Sun is up, we don't see them. The planets would be horizontal in Sydney in late morning.

[quote=MoonRockMan post_id=322355 time=1650992802 user_id=146309]
Why exactly is the line of planets mostly horizontal in the northern hemisphere but more vertical in the southern hemisphere? :)
[/quote]
I wondered that myself, but I think it has to do with the difference between the Earth's equatorial plane and the ecliptic, the Earth's path around the Sun. (I say the ecliptic, but it's more likely the plane of the Solar system.)

Why exactly is the line of planets mostly horizontal in the northern hemisphere but more vertical in the southern hemisphere? :)

[attachment=0]PlanetParadeSydney_Agrawal_960.jpg[/attachment]From top to Opera house; Saturn; Mars; Venus; Jupiter!
Earth the bottom planet :D Very nicely done!
https://ak.picdn.net/shutterstock/videos/1007292391/thumb/1.jpg
Url of dog & cat!

[url=https://apod.nasa.gov/apod/ap220426.html] [img]https://apod.nasa.gov/apod/calendar/S_220426.jpg[/img] [size=150]Planet Parade over Sydney Opera House[/size][/url]

[b] Explanation: [/b] The world is waking up to a picturesque planet parade. Just before dawn, the eastern skies over much of [url=https://apod.nasa.gov/apod/ap220206.html]planet Earth[/url] are decorated by a notable line of familiar planets. In much of Earth's northern hemisphere, this [url=https://solarsystem.nasa.gov/skywatching/whats-up/]line of planets[/url] appears most [url=https://apod.nasa.gov/apod/ap220420.html]nearly horizontal[/url], but in much of [url=https://en.wikipedia.org/wiki/Southern_Hemisphere]Earth's southern hemisphere[/url], the line appears more nearly vertical. [url=https://www.instagram.com/p/CcpEDd4JTj-/]Pictured[/url] over the [url=https://youtu.be/mGFz4T5W2qY]Sydney Opera House[/url] in southern [url=https://en.wikipedia.org/wiki/Australia]Australia[/url], the planet line was captured nearly vertical about five days ago. From top to bottom, the morning planets are [url=https://apod.nasa.gov/apod/ap220123.html]Saturn[/url], [url=https://apod.nasa.gov/apod/ap210701.html]Mars[/url], [url=https://spaceplace.nasa.gov/all-about-venus/en/]Venus[/url], and [url=https://apod.nasa.gov/apod/ap190205.html]Jupiter[/url]. As April ends, the angular distance between [url=https://earthsky.org/tonight/venus-and-jupiter-conjunction-april-30-may-1-2022/]Venus and Jupiter will gradually pass[/url] below a degree as they switch places. Then, as May ends, [url=https://in-the-sky.org/news.php?id=20220529_20_100]Jupiter will pass near Mars[/url] as those two planets [url=https://ak.picdn.net/shutterstock/videos/1007292391/thumb/1.jpg]switch places[/url]. In June, the parade will briefly expand to include Mercury.


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