July 18, 2025

[Space Bites] Earth in a Void // Ancient Stellar Flyby // Resonance with Uranus

20 minutes

Is the Earth at the center of a giant void? Did a star fly through the Solar System billions of years ago messing up the orbits of some objects? Comet 3i/ATLAS is the oldest comet ever seen. Look at the picture to celebrate the third anniversary of Webb. And in Space Bites Plus, covering a crater on the moon with a concrete dome to build a pressurised habitat.

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00:00 Intro

00:19 Are we in a void?

https://www.universetoday.com/articles/are-we-in-a-giant-void-that-would-help-explain-the-hubble-tension

02:57 Dwarf galaxies

https://www.universetoday.com/articles/the-milky-way-could-be-surrounded-by-100-satellite-galaxies

04:08 Orbital resonance with Uranus

https://www.universetoday.com/articles/scientists-discover-uranus-has-a-dancing-partner

05:25 Clues of an ancient stellar flyby

https://www.universetoday.com/articles/astronomers-use-the-colours-of-trans-neptunian-objects-to-track-an-ancient-stellar-flyby

06:57 Oldest comet in history

https://www.universetoday.com/articles/newly-discovered-interstellar-comet-is-billions-of-years-older-than-the-solar-system

08:24 Sunspots

https://www.universetoday.com/articles/scientists-solve-400-year-old-solar-mystery

09:44 Vote results

10:19 Source of Earth's water

https://www.universetoday.com/articles/earth-was-born-with-water-no-delivery-needed

12:12 DUUUUUST

https://www.universetoday.com/articles/where-does-cosmic-dust-come-from-the-jwst-provides-an-answer

13:58 Portrait of a galaxy cluster

https://www.universetoday.com/articles/portrait-of-a-galaxy-cluster

14:44 Closest pic of the solar atmosphere

https://www.universetoday.com/articles/this-is-the-closest-picture-ever-taken-of-the-sun

15:37 JWST 3rd anniversary

https://www.universetoday.com/articles/celebrate-the-jwsts-third-anniversary-with-this-stunning-image

16:35 Guide to space

17:24 [Space bites+]

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18:03 What's the deal with Patreon