emission line spectrum and absorption spectrum

5:18

1:52

5:12

3:01

12:17

5:01

2:44

3:03

1:44

3:51

4:34

4:57

6:03

10:50

8:43

4:28

9:56

2:57

6:31

20:57

20:54

1:24:05

4:54

3:41

28:02

10:31

13:39

6:57

36:22

1:37

1:25

2:33

11:50

16:33

21:44

23:40

5:13

2:50

5:50

33:43

5:41

1:03:47

4:11

8:53

4:42

8:10

1:59

3:10

28:14

1:15:45

1:45

5:49

4:39

9:19

22:12

18:06

10:48

8:31

16:12

22:59