What can make sound in space? What will happen in the far future of the universe?
Sep 6th: Cosmic Crossroads
Tag Archives | universe
Aug 25th: Do We Live in a Special Part of the Universe?
In ancient times, astronomers and philosophers thought that the Earth was the center of the Universe. We know that’s wrong, but is there anything special about where we live?
Aug 13th: How Old is the Universe?
This week we look at age of the Universe. How old is the Universe, and how do we know?
Aug 7th: Why do we need cosmic inflation? (Part 1)
What are some weaknesses with the standard Big Bang model? What are the horizon and flatness problems? How does accelerated expansion solve these?
Jul 26th: The Heart Of The Galaxy
Could we use a telescope to see the dinosaurs? What are the challenges to living on Mars?
Jul 17th: How does dark energy accelerate the universe?
What is the cosmological constant? How is the expansion of the universe related to quantum fields? How does a vacuum energy produce accelerated expansion?
May 18th: Treknology: The Science of Star Trek
Lets discuss about Treknology: The Science of Star Trek and more updates including helicopter for mars & stars from the early moment of the universe
Feb 6th: Why should we believe the big bang?
What did Hubble really discover? Why does redshift imply an expanding universe? Why is the night sky dark? Why is there so much hydrogen, and how is that connected to the Big Bang?