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Southern Hemisphere
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- 1Why the two hemispheres have summer at different times●🌍 TIL: Earth’s Northern and Southern # hemispheres experience # summer at different times due to the axial tilt of the #
A science post is reminding readers that Earth's Northern and Southern Hemispheres experience summer at opposite times of year because of the planet's axial tilt. It adds a lesser-known detail: Northern Hemisphere summers are slightly longer and hotter, since Earth's elliptical orbit means it moves at different speeds around the Sun, changing the length and intensity of each hemisphere's warm season.
- 2New Observations Showcase Andromeda Galaxy in Detail●The Andromeda Galaxy, also known as M31, represents the most significant spiral neighbor to our own Milky Way within the
Fresh observations taken during the southern hemisphere spring have captured detailed structural views of the Andromeda Galaxy, also known as M31. The images highlight the galaxy's spiral structure and its status as the Milky Way's largest galactic neighbor in the Local Group. Astronomy enthusiasts are sharing and discussing the striking imagery.
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Live Science explains why summer feels different depending on which half of the planet you live on. Earth's axial tilt and its slightly elliptical orbit mean the Southern Hemisphere experiences summer during the planet's closest approach to the sun, while seasons vary in length and intensity between hemispheres. The piece breaks down the orbital mechanics behind these contrasts in an accessible explainer for general readers.
- 4Southern Hemisphere ocean layers show major shifts▼Major Southern Hemisphere ocean layer shifts, raising questions about heat and carbon storage
New research reports major shifts in ocean layers across the Southern Hemisphere, raising questions about how these waters store heat and carbon. Scientists say changes in the structure of these layers could affect climate projections, since the Southern Ocean plays a central role in absorbing heat and carbon dioxide from the atmosphere and moving them to the deep ocean.
- 5Melbourne astrophotographer captures detailed mosaic of Orion's nebulas●Orion’s Belt and Sword Program A relatively large mosaic of bright and shiny hydrogen baubles, imaged with a bright-ish
An astrophotographer in inner-city Melbourne has produced a large mosaic of the Orion region, capturing the Flame Nebula, the Horsehead Nebula, the Running Man Nebula and the Orion Nebula despite imaging under a bright Moon and city light pollution. The image, shared with other sky-watchers, shows hydrogen gas glowing brightly across Orion's Belt and Sword, and appears in southern-hemisphere orientation, prompting jokes about the sky looking upside down to viewers in the north.