Tag: classification

19 What physical features determine if a planet is a major, minor or dwarf planet? 2013-09-26T07:33:33.467

16 Our galaxy, the Milky Way, forms part of a galaxy group called The Local Group. What are the parameters that dictate what a galaxy group is? 2013-12-30T19:21:27.407

13 Is Pluto still a dwarf planet? 2014-10-05T14:59:26.310

8 What is the origin of the OBAFGKM classification system? 2013-09-27T21:09:48.573

8 Why does the Hertzsprung–Russell diagram's x-axis go from large temperatures to lower? 2015-10-27T21:56:04.003

8 How accurate and complete is the Hubble sequence diagram? 2016-12-31T13:32:39.050

6 Currently proposed ways to distinguish between a really big planet and a really small star 2018-08-05T10:27:51.743

5 Is Ceres in the inner solar system or outer solar system? 2016-02-01T14:56:00.677

5 Where did the grand design spiral galaxy designation come from? 2016-07-14T13:51:33.250

5 Is the point of this paper to say that Pluto's status as a planet should have been handled scientifically, rather than by a vote? 2018-09-17T12:06:25.967

4 Classification and discovery of stars 2018-09-13T08:16:29.240

4 Sun's Stellar Class at Birth? 2018-10-24T22:00:45.087

3 What abbreviations, letters, or symbols do we use to denote highly degenerate stars? 2017-07-25T19:55:39.257

2 Classification of a Comet 2014-07-18T20:47:56.683

2 Synthesising types of galaxies using various stellar spectra 2014-11-02T19:49:22.183

2 How are the numerical stellar subclassifications determined? 2017-04-21T23:32:00.610

2 Musk's Roadster is now Russell's Teapot? 2018-02-09T14:42:53.817

1 Star class according to initial mass 2014-10-17T04:47:37.433

1 Why does spectral class and U-V colour correlate slightly differently for main sequence, giant and supergiant stars? 2015-11-19T16:05:53.033

1 Betelgeuse and sun classification 2015-12-04T15:59:39.087

1 Planets classification by density 2016-01-25T22:11:47.040

1 Is there an alternative (potentially easier to understand) Euler diagram of the new solar system body classification? 2017-02-08T04:23:03.430

0 Is there a strict chronological order that determines the shape of galaxies? 2016-03-19T05:04:03.207

0 Stars repartitions 2016-05-18T08:15:12.627

0 How to calculate duration of days at month in Tamil calendar? 2018-02-11T04:44:19.823