Tag: stellar-astrophysics

17 How does the evolution of a solar system not break the second law of thermodynamics? 2014-06-07T05:17:23.700

13 Open problems in astronomy that an amateur (with a PhD in some other field) would have a chance of solving? 2015-04-05T12:20:26.120

11 How exactly is the Initial Mass Function (IMF) calculated? 2013-11-08T18:03:40.050

10 What would the Sun be like if nuclear reactions could not proceed via quantum tunneling? 2016-03-04T20:13:03.220

8 Why does lithium fuse at lower temperatures than hydrogen? 2016-06-05T00:52:21.817

6 Do star systems stripped from galaxies have different expected behavior? 2014-07-02T16:24:21.067

6 Is any consensus forming on the solution to the "Lithium Problem"? 2015-09-15T23:40:42.037

6 Why we define Stellar motions with respect to sun? 2018-07-01T20:48:03.057

5 Is there a star simulation software that can handle mass ejections and supernovae? 2014-12-07T23:15:38.853

5 If a white dwarf collides with a giant star, could it create a TZO? 2016-04-07T02:31:39.817

5 Why is the Sun's brightness and radius increasing, but not its temperature? 2016-04-14T02:09:13.043

5 Why do neutron stars collide instead of just revolving around each other like planets revolve around the Sun? 2018-05-29T16:50:38.607

4 How do we find the exact temperature of a star? 2014-05-06T10:36:41.840

4 death of a red dwarf star / minimum mass needed for a white dwarf? 2015-04-02T11:20:05.887

3 What's an order-of-magnitude main sequence star look like? 2014-07-21T06:30:12.983

3 Where does energy at the beginning of a star's lifecycle (before any nuclear reactions) come from? 2015-03-18T13:34:39.707

3 Why is $g$ tied to the oscillator strength $f$ in $\log{gf}_{\odot}$ 2015-07-08T12:30:43.590

3 How does gyrochronology deal with differential rotation and axial tilt? 2015-10-05T11:45:48.887

3 Recommendation for learning about stellar astrophysics 2015-10-22T15:44:56.490

3 Is the Sun slightly blue in the center? - Wavelength-dependent limb darkening of the Sun 2016-05-20T10:36:38.623

3 Definition of stellar core? 2016-06-10T12:28:21.250

3 How can I convolve a template spectrum with a photometric filter response spectrum? 2016-06-18T21:40:21.723

3 Where can I find raw text, ascii, or binary data from the GALEX satellite? 2016-11-03T21:27:31.773

3 To which extent is optically thick photon transport related to conduction? 2017-02-12T20:31:00.210

3 Why there are less massive stars than low mass stars? 2018-09-01T10:27:20.163

3 Why is the cloud around Eta Carinae shaped the way it is? 2018-09-06T12:52:15.457

3 Why does the adiabatic exponent decrease at the ionization zones? 2018-09-25T19:53:11.177

2 Determining distance from semi-major axis and eccentricity 2016-02-09T21:03:14.897

2 Why are main sequence stars more massive than the Sun less dense? e.g. Vega, Spica etc 2016-10-31T04:54:58.573

2 A simple question about Saha Equation 2017-08-29T20:19:44.740

2 Mechanics of Supernovae 2017-11-21T11:53:58.033

2 Central temperature of a stellar model with combination of gas and degeneracy 2018-02-17T04:35:35.103

2 When black holes forms out of a supernova do they have a very high velocity? 2018-05-28T16:34:33.430

2 Old star vs New star 2018-07-09T19:24:39.097

2 What is a "differential chemical abundance"? 2018-11-28T01:07:47.167

1 Are there any electrons inside the sun / a star? 2016-04-23T15:05:15.370

1 Luminosity L(t) for a homologously contracting star 2016-06-12T23:15:07.833

1 How to show that the Jeans Criterion for Mass, Radius and Density are equivalent? 2016-06-12T23:56:22.007

1 Why is there a density dropoff in the stellar winds of magnetic O-type stars? 2016-11-04T19:13:55.217

1 Astrophysical Question about Hydrostatic equilibrium in star 2017-08-27T19:12:35.893

0 Description of Henyey tracks on wikipedia incorrect? 2016-02-24T13:00:37.317

0 Thought experiment about our location in the Universe 2018-02-11T17:11:07.517

0 The Solar Motion and the peculiar velocities of stars 2018-07-02T08:00:11.557