Tag: hydrogen

25 Where did the Sun get hydrogen to work with if it is in the 3rd generation of stars? 2018-07-31T16:30:49.927

18 Why are there no green stars? 2015-04-18T22:44:13.693

9 Is there enough hydrogen left after a star dies so another star will have enough to light up? 2014-09-18T10:29:52.950

9 What percentage of the hydrogen today has never been in a star 2016-12-13T02:55:36.727

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

7 Density of hydrogen between galaxies 2014-04-05T20:37:11.613

7 What fraction of a star's hydrogen store will be fused over its lifespan? 2018-06-14T22:40:27.907

5 Why does hydrogen ionization happen in HII regions? 2015-11-25T07:14:21.170

5 Population of excited H levels in a Strömgren Sphere 2016-05-15T10:02:06.350

4 Relation between molecular cloud mass and galactic mass 2017-11-17T08:23:52.170

4 Can I slice off a piece of the Sun? 2018-02-26T17:14:23.737

3 Could dark matter particles be unstable? 2014-01-14T13:40:44.357

3 What are the implications if the Sun was formed in a warm nebula? 2015-11-04T12:07:25.027

3 Helium rain inside metallic hydrogen within Jupiter, conditions and experiments? 2018-03-14T03:11:48.187

3 Hydrogen Line observation - Interference from trees 2018-06-20T07:07:21.580

2 In the end what is the ultimate matter/element in the universe, due to fusion process in stars? 2014-05-02T09:00:22.137

2 Are all gas planets guaranteed to produce their own magnetic field? 2016-12-01T08:50:55.260

1 How are stellar elemental abundances quoted? 2014-10-22T14:46:31.607

1 What is the minimum size of a ball of gas to become a star? 2015-03-31T14:34:22.773

1 Could evaporating hot Jupiters have metallic hydrogen on their surfaces? 2015-07-29T10:44:12.360

1 Are hot stars like O-type stars entirely composed of helium? 2015-11-05T04:26:45.733

1 If there are neutron stars, would most stars be considered "proton stars"? 2015-11-26T02:53:58.307

1 Hydrogen and oxygen in space 2017-06-21T21:30:38.670

1 If the Higgs field only formed after the Big Bang, how was hydrogen formed? 2018-08-18T05:14:25.500

0 Is the sun too small to self-ignite? 2015-04-12T00:21:16.163