Tag: nebula

21 Why is the Eagle Nebula so "static"? 2015-01-06T18:48:51.117

16 How many stars and galaxies can be seen by the naked eye? 2013-11-26T13:55:43.463

15 Will new stars stop forming at some point of time? 2014-01-13T16:06:28.103

14 What are the large round dark "holes" in this NASA Hubble image of the Crab Nebula? 2016-10-30T16:38:57.443

9 Is Barnard 68 the only cloud so close to us that there are no stars between us and it? 2016-11-04T10:55:54.030

8 Are nebulae only visible from a distance? 2014-01-09T01:24:35.220

6 Why are O III lines so prominent in the spectra of emission nebulae when the amount of oxygen relative to hydrogen is a million times smaller? 2017-01-07T06:51:54.207

5 Why is there billowing dust in nebulae? 2013-10-30T23:20:08.360

5 Why is the Boomerang Nebula colder than the CMB? 2015-04-04T04:31:22.413

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

5 How big is nebula dust? 2017-08-14T03:30:44.110

4 How to tell a nebula from a galaxy? 2015-04-21T14:18:56.930

4 What are the dark spots in this Hubble image of the Crab Nebula? 2016-10-29T14:03:49.177

4 What state of matter are nebulae in? 2017-04-04T18:54:43.827

4 How to visually tell the difference between a planetary nebula and a supernova remnant? 2017-11-25T20:20:13.800

3 How do proto-planetary nebulae gain momentum? 2015-10-02T21:08:42.817

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

3 Fusion of elements inside heavy stars 2016-01-04T20:23:10.350

3 Star formation: When a nebula collapses, is it only the gasses that form the star? 2016-06-27T18:03:05.113

2 Do heavier elements breakdown during supernova? 2014-05-10T10:05:47.677

2 How can I see a nebula? 2015-01-15T08:56:22.210

2 How useful are filters for spotting nebulae? 2016-02-27T07:11:25.620

2 How long do hot X-ray sources last? 2016-06-05T14:17:29.027

2 Did we discover how nebulae hold their shapes? 2016-09-21T21:20:06.257

2 Is this gas cloud or lens effect? 2017-07-25T10:54:29.017

2 Determining line ratios in planetary nebula 2018-03-05T16:19:07.957

2 How dark would the sun become if we traversed a Bok globule? 2018-10-02T08:49:19.830

2 Are the viewable nebulae only in our galaxy? 2018-10-23T22:22:56.257

1 Which eyepieces I can use it for best viewing experience using my exisiting telescope? 2015-02-16T17:01:52.110

1 Relationship between temperature of nebula and size of star 2015-02-22T22:13:41.937

1 What is meant by "short lived" in the duration of a planetary nebula? 2015-10-15T18:58:36.997

1 What's the proper terminology for nebula clouds? 2016-03-16T13:07:40.550

1 How do I see more than just points in the sky? 2016-04-16T09:17:39.227

1 Is this a real photo or an art work? 2017-12-08T11:46:10.277

1 Doubt about star formation 2018-01-28T09:05:51.773

1 Is this an actual nebula or CGI? 2018-04-15T11:50:09.537

1 What factors makes a star big in size(Physically)?Is the size of the nebula a relevant factor? 2018-06-11T09:41:30.423

1 Eagle Nebula (Pillar of Creation) destroyed? 2018-09-07T11:49:04.047

0 How can I find out which known stars lie within or close to M8 2015-04-20T21:58:44.963

0 Is the galaxy made of a nebula or the solar system? 2016-12-30T14:31:06.817

0 Why isn't our local interstellar space colorised? 2017-05-26T08:17:26.860

0 Do novas create a nebula? Could a planet survive if its star exploded in a nova? 2017-09-10T14:34:47.587