If I have a circular disc of radius 300,000 km and made it rotate with 1 rad/s, wouldn’t a particle on the edge of that circular disc exceed the speed of light?
No. This is a very common thought-experiment – called the Ehrenfest paradox – and like most paradoxes – it isn’t a paradox at all. The problem is that you’re imagining…
What is the scariest theory known to man?
When we die and subsequently stop breathing, our brain and nerve cells die within a few minutes due to the lack of oxygen. Once a person dies though,…
Why can’t we dig deeper than 12.2 km into the Earth?
12.2 km is not a theoretical limit, it is the depth of the 1970 Russian Kola Superdeep hole project which was abandoned at that point (after 20 years)…
Could the North Star possibly be a sun with its own solar system?
Whoa! You’re underestimating the north star! POLARIS – Dhruva for us in India – is a multiple star system containing a total of 5 stars. Polaris appears to us as…
Can you share some mind blowing science phenomena in pictures?
Is science boring? … opinion would change once you’ve been through these cool and beautiful scientific phenomena. 1) Reaction of mercury and aluminum: 2) Human white blood cells…
Is it true that Jupiter is so large that it does not orbit around the sun?
Yes! Jupiter, The biggest planet in our solar system. It is so massive that 1300 earths could fit inside of this planet. Jupiter is 2.5 times more massive…
If a planet could successfully orbit a black hole without being harmed, what would the sky look like from its surface?
I think this question is another example of how badly black holes are misunderstood. Suppose we replaced the Sun with a black hole of the same mass. It…
What is the wind speed on other planets in the solar system?
On Mercury, there is no wind because there is no atmosphere.👇 On Venus, however, there are very strong winds averaging 200 km/h, with peaks reaching 400 km/h👇. On…
Is Venus technically more habitable than Mars?
Venus is a hell world which has utterly annihilated everything we’ve ever sent there in minutes. The surface temperature can reach more than 800F (462C). The atmospheric pressure…
What will happen if a person lands on Pluto?
It has a solid surface and we actually, thanks to New Horizons, have mapped a large part of it. So it is actually possible to land there, unlike…