User raxacoricofallapatorius - Physics Stack Exchange

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	1,182 reputation	bio	website		visits	member for	2 years, 2 months
1619 badges		location	United States		seen	May 19 at 16:00

33

53

votes

49

answers

7

kviews

Common false beliefs in Physics

soft-question

sep 1 at 4:19 James Cooper 36

7

20

votes

10

answers

6

kviews

How did Newton discover his second law?

6h ago dimension10 183

4

18

votes

3

answers

594

views

Why do the planets' orbital distances fall on an exponential curve?

orbital-motion solar-system planets

jan 5 '12 at 0:56 Helder Velez 1,512

3

18

votes

3

answers

3

kviews

Why don't electrons crash into the nuclei they “orbit”?

electromagnetism nuclear-physics education atoms

feb 22 at 4:59 JoeHobbit 1,325

4

17

votes

7

answers

8

kviews

Why CAN we see the new moon at night?

astronomy

nov 29 at 7:05 Eugene Seidel 148

1

15

votes

9

answers

2

kviews

Why do space crafts take off with rockets instead of just ascending like an aircraft until they reach space?

newtonian-gravity atmosphere aircraft rocket

dec 10 at 5:17 FrenchKheldar 426

7

15

votes

8

answers

5

kviews

How exactly does curved space-time describe the force of gravity?

gravity forces spacetime

apr 14 at 18:01 Glen Little 99

6

14

votes

3

answers

4

kviews

Why is the nucleus of an Iron atom so stable?

nuclear-physics

apr 23 '12 at 12:57 Community♦ 1

4

13

votes

1

answer

2

kviews

Are all electrons identical?

particle-physics electron subatomic exchange-interaction

nov 7 at 5:31 dbaseman 460

4

13

votes

1

answer

383

views

What percentage of the sky is occluded by stars?

astronomy

aug 29 at 16:16 FrankH 4,780

5

12

votes

4

answers

5

kviews

Why do electrons occupy the space around nuclei, and not collide with them?

quantum-mechanics electromagnetism nuclear-physics

feb 4 at 5:08 red baron 1

4

12

votes

6

answers

1

kviews

Is Shor's algorithm a demonstration of the many worlds interpretation?

quantum-mechanics quantum-information quantum-interpretations

sep 21 at 15:24 Glenn Pissy 31

8

10

votes

2

answers

890

views

Applications of the Spectral Theorem to Quantum Mechanics

quantum-mechanics mathematical-physics mathematics operators hilbert-space

feb 11 at 13:59 student 902

3

10

votes

6

answers

2

kviews

Why are the orbits of planets in the Solar System nearly circular?

astronomy orbital-motion solar-system celestial-mechanics

feb 15 '11 at 5:58 Carl Brannen 6,547

3

10

votes

1

answer

370

views

What accounts for the discrepancies in my calculations of year lengths?

astronomy time orbital-motion definition

may 7 at 11:05 Community♦ 1

1

10

votes

2

answers

114

views

Why did population III stars lack planets?

astronomy exoplanet

dec 12 at 1:58 Chris White 8,160

1

10

votes

1

answer

118

views

How many earth-sized planets have been discovered outside the solar system?

astronomy exoplanet

jan 12 at 20:40 Chris White 8,160

1

10

votes

5

answers

2

kviews

What is an asterism compared to a constellation?

astronomy definition

apr 16 at 6:10 Brandon Enright 2,564

1

8

votes

1

answer

14

views

Ring height stats?

astronomy planets

jun 6 '12 at 16:01 Chad Ferguson 538

3

8

votes

0

answers

179

views

How accurate are Mayan astronomical “ephemerides”?

astronomy history

apr 1 at 11:37 hunter2 13

2

8

votes

2

answers

269

views

Was Jupiter's mass “guessed at” by Kepler or Galileo?

astronomy orbital-motion history

nov 9 at 12:06 Leos Ondra 503

2

8

votes

1

answer

172

views

Has a human ever perished in space?

soft-question history space-mission

jan 30 at 7:04 Chris White 8,160

2

8

votes

2

answers

131

views

Why and how will we be able to image extraterrestrial planets in the next two decades?

astrophysics technology experimental-technology

oct 27 at 1:07 Chris White 8,160

2

7

votes

2

answers

353

views

How did Halley calculate the distance to the Sun by measuring the transit of Venus?

astronomy history solar-system

jun 5 '12 at 18:24 Art Brown 1,682

2

7

votes

2

answers

346

views

What is the formula for the relativistic ellipse?

special-relativity books

mar 14 '11 at 1:29 Carl Brannen 6,547

2

7

votes

3

answers

355

views

If time standard clocks and any memories about the time standard are destroyed, can we recover the time standard again?

measurement astronomy metrology time

jan 18 '11 at 14:05 Community♦ 1

1

7

votes

1

answer

47

views

How are exoplanets confirmed?

astronomy exoplanet

oct 2 at 12:34 dmckee♦ 21.5k

1

7

votes

2

answers

236

views

Should it be obvious that independent quantum states are composed by taking the tensor product?

quantum-mechanics quantum-information terminology quantum-interpretations

may 9 at 21:21 Brandon Enright 2,564

2

7

votes

8

answers

618

views

Given entanglement, why is it permissible to consider the quantum state of subsystems?

quantum-mechanics quantum-information quantum-interpretations entanglement

jun 1 '12 at 11:06 Oli 502

4

6

votes

3

answers

183

views

Is “entanglement” unique to quantum systems?

quantum-information probability tensors

feb 24 at 12:52 Peter Shor 4,245

raxacoricofallapatorius

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