What are some weaknesses with the standard Big Bang model? What are the horizon and flatness problems? How does accelerated expansion solve these?

What are some weaknesses with the standard Big Bang model? What are the horizon and flatness problems? How does accelerated expansion solve these?
There is Lake on Mars and Einstein was right again. How hard is it to find water on mars? Do you want to know more about it?
Are neutrinos harmful? How can we tell where neutrinos come from?Check out today’s Neuchitos…With Dip!
What is the cosmological constant? How is the expansion of the universe related to quantum fields? How does a vacuum energy produce accelerated expansion?
Where’s the best place to live on Mercury? Where did the Big Bang start? lets find out the answer here at #365DaysOfAstro
Are we alone? Is there another life out there? This is a question we have been search for answers for so many centuries. How’s the chance for life out there?
What is a quantum state? How can two particles share the same state? What is entanglement, and does it really allow for faster-than-light communication?