The observable Universe is finite, which means there are limits to what we can see, now and deep into the future. Today’s discussion talk about cosmological horizon.
Oct 5th: How Far Is Too Far?
Fraser Cain Archive
Sep 18th: Which Are The Real Photos of Spacecraft?
Aug 31st: Why is Uranus on its Side?
Aug 21st: Looking into a Mirror!
Aug 8th: How Low Can You Orbit?
Jul 31st: Supernova. The Difference Between Type 1 & Type 2
Supernovae are powerful explosions in Universe, releasing more energy in a moment than most stars release in their entire lifetimes.
Jul 11th: What Do Other Planets Sound Like?
We know that in space, no one can hear you scream. But what would things sound like on another planet?
Jun 13th: What is Tidal Locking?
The Moon is tidally locked to the Earth, which means that it always shows one face to our planet. In fact, this is the case for most the large moons in the Solar System. What’s the process going on to make this happen?
Oct 21st: How Big is the Great Red Spot?
Jupiter’s iconic Great Red Spot is a huge cyclonic storm big enough to swallow the Earth. But it’s been getting smaller over time, while other storms have been growing. What does the future hold for this Jupiterricane?
Sep 14th: How To See Your House From Space?
Have you ever wondered how you can see your house from space… for free? What are the satellites taking those pictures of Earth anyway?