It seems reasonable to ask, should we invest in an interstellar mission now, or wait a few decades or even centuries for better technology to come along which could make the trip much shorter?
Today’s we have story about what spaceflight advances could have happened e.g the lost Apollo Missions & Werhner Von Braun’s “Mars Project”.
People ask why we’re stuck with chemical rockets. Good news, there are other, exotic science fiction-sounding propulsion systems out there.
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.
Supernovae are powerful explosions in Universe, releasing more energy in a moment than most stars release in their entire lifetimes.