Join us for an intergalactic conundrum that will stretch your mind to the far reaches of the universe! In this enlightening episode of Space Nuts, your hosts Andrew Dunkley and Professor Fred Watson are navigating the cosmic highways and byways, tackling some of the most perplexing questions out there. First stop: the mysterious Lagrange points. Listener Jim from Texas is puzzled about how gravity is balanced at these points, especially L2 and L3. Fred serves up a celestial explanation that involves not just gravity but centrifugal force, too. It's a cosmic balancing act that keeps our space missions on course and our minds in awe. Next, we're zooming into the heart of galaxies where supermassive black holes reign supreme. Kerry's burning question leads us to differentiate the gravitational effects of these cosmic giants from the elusive dark matter. How do astronomers measure their impact separately, and could we have misjudged their mass? Fred illuminates the dark corners of this astronomical puzzle. And for the grand finale, we're pondering the ultimate 'what if': communication with a superior alien race. If we could ask them just one question, what would it be? From the practical to the profound, Andrew and Fred muse over what could be humanity's most significant query. Whether you're a cosmic rookie or a seasoned stargazer, this episode is guaranteed to provide a gravity-defying leap into the unknown. So, strap in and prepare for a journey that's as educational as it is entertaining. And remember, keep those questions coming – they just might be the next big topic on Space Nuts! For all this and more, subscribe to Space Nuts on your favorite podcast platform, and join us on this stellar adventure. Until next time, keep your eyes to the skies and your hearts full of wonder. Become a supporter of this podcast and access commercial-free episodes: https://www.spreaker.com/podcast/space-nuts--2631155/support.