All Questions
9
questions
0
votes
1
answer
121
views
Which gravitational differences we would feel if the sun disappeared?
I would like to start by stating that I'm not a physicist, I'm purely a curious individual.
I've been speculating about the differences the loss of the sun's gravitational field would have on us and ...
- 247
0
votes
1
answer
54
views
How can i analyse this motion?
Hello
(Im from south Korea. im sorry for my english in physics.)
im curious about this gravitational spiral motion.
can its trajectory and time took to collide be guessable? or can i calculate this ...
- 19
3
votes
4
answers
510
views
Should the centripetal force of Earth's orbit around the Sun affect a pendulum on Earth?
Lets use approximate earth angular velocity around the sun with $\omega\approx2*10^{-7}\frac{r}{s}$ and earth translation orbit radius with $r\approx1.5*10^{11}m$ we can approximate centripetal ...
- 33
1
vote
1
answer
82
views
How does the Earth's radial acceleration affect it's velocity during orbit around Sun? [closed]
When the earth moves along its ellipse at $67,000mph $ it accelerates at $0.006m/s^2$ would it be correct to say it's speed at some points relatively increases by $0.006m/s$ every second
- 331
0
votes
1
answer
504
views
What's the Earth's linear acceleration component around the Sun?
The earth's centripetal acceleration around the Sun is $0.006m/s^2$ does this mean one can say the earth's acceleration when it travels(revolves) at $670,000mph$ is simply equal to its centripetal ...
- 331
0
votes
5
answers
398
views
Static model of the Earth motion
Believe it or not, an old man I know in 2015 still negates the Earth orbital motion around the Sun.
He believes the earth is rotating on itself and acknowledges this gives day and night on every ...
9
votes
2
answers
5k
views
Is the Earth the center of the Solar System? [duplicate]
Alright guys, so I attracted you with the title. Now, to preface the question, I am fully aware of the work of Copernicus, as well as the concepts of Heliocentrism and Barycentric Coordinates. I have ...
- 263
-1
votes
4
answers
506
views
Sun orbits around the Earth [duplicate]
What if somebody says that Sun orbits around the Earth and not Earth orbiting around the Sun?
What would be the consequences?
6
votes
4
answers
3k
views
Can human push Earth away from the Sun?
It's said the earth is approaching the sun. Can we push it away little by little?
Although we can emit rocket towards the sun, but it's too expensive to make a rocket:
So I think maybe we can ...
- 255