Skip to main content
Rian's user avatar
Rian's user avatar
Rian's user avatar
Rian
  • Member for 8 years
  • Last seen more than a month ago
6 votes
1 answer
320 views

How to know that the 21cm Hydrogen line is the actual emission and not any other redshifted line?

4 votes
1 answer
884 views

What is the difference between emission line and recombination line?

4 votes
1 answer
1k views

What determines the temperature of a white dwarf?

4 votes
1 answer
670 views

Why Free-Free emission is regarded as Thermal emission?

4 votes
1 answer
439 views

Why dust is optically thin in Far Infrared wavelengths?

4 votes
3 answers
611 views

Why does the gas cloud collapse in regions of high density?

3 votes
0 answers
2k views

What is meant by ionization states?

3 votes
1 answer
155 views

What are IRAS sources?

3 votes
1 answer
246 views

What are infall signatures in stars?

2 votes
2 answers
728 views

What is the relation between Kelvin-Helmholtz timescale and free-fall timescale?

2 votes
3 answers
2k views

How to calculate the pixel size and beam size of an image?

1 vote
0 answers
65 views

What do negative values on bright sources in TIRSPEC mean?