1 across, 10 across. Out-of-this-world 23 coming together, system rapidly forming. 9 letters and 6 letters.
6 across. Weed in pig’s ear? 4 letters.
8 across. Use unknown technique for out-of-this-world 23. 5 letters and 3 letters.
9 across. Recovered, trouble far from islander. 6 letters.
10 across. See 1.
11 across. Divorcee, after breaking up, froze. 4 letters and 4 letters.
12 across. Vicious swine sent back in time machine. 6 letters.
15 across. Dreary lecture, reportedly – that would never take off. 5 letters and 3 letters.
16 across. Question having caught cold: is spring here? 4 letters and 4 letters.
19 across. Extra tests: restrain oneself, turning tail. 6 letters.
21 across. Old scandalmonger keeping politicians in check. 8 letters.
22 across. Eat around a fire. 6 letters.
24 across, 20 across. Out-of-this-world 23, smashing stuff in the kitchen? 6 letters and 7 letters.
25 across. Some birds pecked others. 8 letters.
26 across. Austrian maestro with an uber-Germanic piece. 4 letters.
27 across. Very much for the love of God! 9 letters.
