User InquilineKea

20 votes

2 answers

1k views

Why don't stars in globular clusters all orbit in the same plane?

asked Sep 24, 2011 at 5:52

15 votes

2 answers

716 views

Why don't any of the gas giants have moons of Earth's mass (or greater) that orbit them? Is this generalizable to exoplanet gas giants?

astronomy planets

asked Jan 18, 2012 at 6:21

14 votes

2 answers

2k views

What percent of planets are in the position that they could be viewed edge-on from Earth? (and thus able to undergo transits)

astronomy exoplanets transit

asked Sep 17, 2011 at 0:26

11 votes

2 answers

964 views

Where does a star's angular momentum go as its spin slows down?

astronomy astrophysics angular-momentum stars

asked Jul 24, 2011 at 2:12

10 votes

2 answers

253 views

When the Sun goes red giant, will it "vaporize" away a significant fraction of Jupiter and Saturn moons?

solar-system

asked Jul 21, 2011 at 3:38

10 votes

2 answers

100 views

Do nearby gamma ray busts/supernova damage more than just the ozone layer?

supernova

asked Jul 11, 2011 at 16:14

8 votes

2 answers

309 views

What distinguishes a moon from orbiting space debris? Or in other words, when is a satellite "too small" to be a moon?

definition moon satellites

asked Aug 20, 2011 at 4:22

8 votes

1 answer

303 views

Where do the bipolar jets of black holes come from?

black-holes astrophysics relativistic-jets

asked Jul 24, 2011 at 20:12

8 votes

3 answers

691 views

How are accelerated reference frames non-symmetrical?

relativity

asked Aug 19, 2011 at 17:42

8 votes

1 answer

1k views

Can one canonical conjugate variable be considered to be the "frequency" of the other one? (which could be a "wavelength")?

fourier-transform

asked Sep 7, 2011 at 5:41

8 votes

2 answers

2k views

How is angular momentum conserved when a spinning top finally stops spinning?

classical-mechanics angular-momentum

asked Jul 24, 2011 at 16:33

7 votes

0 answers

110 views

Are there certain alignments in planetary orbits that create interesting effects in the moons or planets? [closed]

planets exoplanets

asked Sep 5, 2011 at 20:49

6 votes

2 answers

5k views

If we assume that protons don't decay, then will all matter ultimately decay into Iron-56 or into nickel-62?

nuclear-physics stability binding-energy

asked Oct 19, 2011 at 21:33

6 votes

2 answers

1k views

If you focus in on one image, is combining two telescopes really equivalent to a larger mirror?

astronomy telescopes observational-astronomy

asked Aug 9, 2011 at 9:16

6 votes

1 answer

4k views

Most accurate ways to find the average distance between stars in Milky way galaxy

astronomy galaxies stars distance

asked Aug 17, 2011 at 20:34

6 votes

3 answers

1k views

Does the "Energy Catalyzer" by Andrea Rossi et al. generate energy by converting Nickel to Copper?

nuclear-physics cold-fusion

asked Jul 30, 2011 at 23:08

5 votes

2 answers

299 views

Are orbits interior to Jupiter's orbit less stable than orbits exterior to Jupiter's orbit?

orbital-motion solar-system newtonian-mechanics

asked Jul 21, 2011 at 3:23

5 votes

3 answers

24k views

How does gravity affect sound waves? [closed]

gravity waves astrophysics acoustics neutron-stars

asked Jul 28, 2011 at 7:51

5 votes

4 answers

4k views

Are meteorites igneous, sedimentary or metamorphic rocks?

astronomy meteors meteorites meteoroids

asked Aug 11, 2011 at 22:08

5 votes

3 answers

2k views

Why don't massive water-borne animals crush under their own weight when they're in water?

newtonian-mechanics forces biophysics

asked May 15, 2012 at 22:55

4 votes

3 answers

98 views

Are our telescopes capable of taking actual images of brown dwarfs?

astronomy telescopes stars

asked Aug 25, 2011 at 16:51

4 votes

2 answers

45 views

Is it easier to learn more about the seasonal changes in an exoplanet's atmosphere when the exoplanet orbits a binary star system?

exoplanets transit

asked Sep 15, 2011 at 22:17

4 votes

2 answers

58 views

For resolving different objects, are there any alternative coefficients to the one used in the Rayleigh criterion? (which is 1.22)

astronomy optics

asked Aug 17, 2011 at 20:51

4 votes

1 answer

42 views

For the long-term evolution of atmosphere/orbit, when is perihelion more important than mean distance?

planets orbital-motion atmospheric-science

asked Jul 24, 2011 at 20:17

4 votes

2 answers

244 views

Assuming that the Sun wouldn't evolve into a red giant, how long would the Earth's atmosphere last?

atmospheric-science earth

asked Jul 24, 2011 at 20:14

4 votes

1 answer

90 views

What is the weekly average of coronal mass ejections the sun sends out?

sun

asked Mar 3, 2012 at 22:53

4 votes

1 answer

73 views

Do stars of higher metallicity have more planets in highly-inclined Pluto-like orbits?

astronomy orbital-motion exoplanets

asked Jul 28, 2011 at 8:10

4 votes

4 answers

7k views

Are telescopes with a concave lens useful for astronomy?

astronomy optics telescopes

asked Aug 17, 2011 at 21:01

4 votes

0 answers

33 views

How did the radiative flux of each gas giant planet change with respect to time (since their formation)?

temperature planets moon

asked Sep 5, 2011 at 22:12

4 votes

1 answer

265 views

Does the Earth help stabilize changes in the moon's obliquity as well?

astronomy solar-system moon

asked Aug 10, 2011 at 22:49

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54 Questions

Why don't stars in globular clusters all orbit in the same plane?

Why don't any of the gas giants have moons of Earth's mass (or greater) that orbit them? Is this generalizable to exoplanet gas giants?

What percent of planets are in the position that they could be viewed edge-on from Earth? (and thus able to undergo transits)

Where does a star's angular momentum go as its spin slows down?

When the Sun goes red giant, will it "vaporize" away a significant fraction of Jupiter and Saturn moons?

Do nearby gamma ray busts/supernova damage more than just the ozone layer?

What distinguishes a moon from orbiting space debris? Or in other words, when is a satellite "too small" to be a moon?

Where do the bipolar jets of black holes come from?

How are accelerated reference frames non-symmetrical?

Can one canonical conjugate variable be considered to be the "frequency" of the other one? (which could be a "wavelength")?

How is angular momentum conserved when a spinning top finally stops spinning?

Are there certain alignments in planetary orbits that create interesting effects in the moons or planets? [closed]

If we assume that protons don't decay, then will all matter ultimately decay into Iron-56 or into nickel-62?

If you focus in on one image, is combining two telescopes really equivalent to a larger mirror?

Most accurate ways to find the average distance between stars in Milky way galaxy

Does the "Energy Catalyzer" by Andrea Rossi et al. generate energy by converting Nickel to Copper?

Are orbits interior to Jupiter's orbit less stable than orbits exterior to Jupiter's orbit?

How does gravity affect sound waves? [closed]

Are meteorites igneous, sedimentary or metamorphic rocks?

Why don't massive water-borne animals crush under their own weight when they're in water?

Are our telescopes capable of taking actual images of brown dwarfs?

Is it easier to learn more about the seasonal changes in an exoplanet's atmosphere when the exoplanet orbits a binary star system?

For resolving different objects, are there any alternative coefficients to the one used in the Rayleigh criterion? (which is 1.22)

For the long-term evolution of atmosphere/orbit, when is perihelion more important than mean distance?

Assuming that the Sun wouldn't evolve into a red giant, how long would the Earth's atmosphere last?

What is the weekly average of coronal mass ejections the sun sends out?

Do stars of higher metallicity have more planets in highly-inclined Pluto-like orbits?

Are telescopes with a concave lens useful for astronomy?

How did the radiative flux of each gas giant planet change with respect to time (since their formation)?

Does the Earth help stabilize changes in the moon's obliquity as well?