How Small Was the Universe at the Beginning?

How Scientists Took a Picture of the Big Bang

Scientists "took a picture" of the Big Bang by capturing the cosmic microwave background (CMB) radiation, which is like the afterglow of the Big Bang. They used satellites like the Cosmic Background Explorer (COBE) and the Planck spacecraft to measure this ancient light. These instruments detected faint microwave signals that have been traveling through space for about 13.8 billion years. By analyzing these signals, scientists created a detailed map of the early universe, showing tiny temperature fluctuations. This "picture" helps us understand the universe's origins and how it has evolved over time. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Black Holes on a Crash Course - Will Earth Feel the Tremors?

Have you heard about the upcoming cosmic clash of black holes? It sounds like something straight out of a sci-fi movie, but it's actually happening! Two black holes are on a collision course, and when they finally merge, it'll create a massive cosmic event, releasing incredible amounts of energy. You might wonder if Earth will feel any effects from this colossal event, but don't worry—we're completely safe. These black holes are so far away that their collision won't have any impact on us other than giving astronomers something really exciting to study. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

What You'd See If You Exploded Different Planets

You learned the order of the planets in school and what they all look like, Jupiter's famous red spot, Saturn and its magnificent rings. Now it's time to get a 3D look inside the planets of our solar system...by exploding them! Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

What If All the Planets Disappear Except Earth

What would happen if all the other planets disappeared overnight? Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Moon's Tail Hits Earth Once a Month, but Why Don't You See It

Space is full of unexpected discoveries: Moon turns out to have a "tail", while planets emit radio waves. And did you know that there're dwarf galaxies? Here're some space facts that'll turn your world upside down! Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]