After reading the introduction of ultracool dwarf and brown dwarf in Wikipedia, I can't see the difference between them. Besides, do they all belong to the main sequence stars? ZX.Liang Thread Nov 16, 2022 Tags Brown dwarf Difference Replies: 5 Forum: Astronomy and Astrophysics P Can’t...
Here are, for example, a few basic points of comparison: Capacity: A330-200: Maximum seating of 406, a three-class capacity of between 210 and 250 A330-300: Maximum seating of 440, a three-class capacity of between 250 and 290 A330-800: Maximum seating of 406, a three-class capacit...