Get Involvedpublished at 08:46 Greenwich Mean Time 9 November 2017
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Beaumont (70) hits maiden Test 50; Knight 62
England hand debuts to Wilson & Ecclestone
Aus debuts: McGrath, Mooney, Wellington
Aus lead series 4-2 on points; 4pts available for Test win
Inaugural day-night women's Test
North Sydney Oval; England won toss
Mark Mitchener
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Elwiss 13, Sciver 11
Wellington has a short leg in place, but Sciver profits from a prod into the off side as they run a quick single, while Elwiss is then all at sea as she nearly nicks a delivery similar to that which dismissed Tammy Beaumont.
Mel Jones
Former Australia batter on BBC Test Match Special
These aren't big towering lights like the MCG. There are probably only 10 lights at the top of each tower. There aren't pockets of darkness, but there's not really even coverage across the ground.
New ball available in eight overs
Elwiss flirts with danger when she tries to jam her bat down on a flighty delivery from Jonassen, and nearly plays onto her stumps. A single takes her to 13.
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Elwiss 12, Sciver 9
It's not just Sciver, there are a few sweaters on display for the final session (on and off the field). Georgia Elwiss pushes leg-spinner Amanda-Jade Wellington for a single.
Mel Jones
Former Australia batter on BBC Test Match Special
I think Australia have gone with spin as it's only 10 overs until the new ball.
Australia aren't going to start with pace under the lights - it's left-arm spin from Jess Jonassen, while Natalie Sciver has donned a sleeveless sweater during the interval, and powers a four through the covers.
There's then a comedy moment as the ball slips out of Jonassen's hand just as she's about to deliver it, and it flies behind her - umpire Gerard Abood has to signal "dead ball".
Debate still reigns in the TMS box over Heather Knight's dismissal, and what would have happened if this game had DRS. Mel Jones thinks it would have been "umpire's call", Isa Guha thinks it may have been overturned.
We're ready to resume for the final session under lights. Dare you enter... The Twilight Zone?!
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Mel Jones
Former Australia batter on BBC Test Match Special
Will we see more women's Test cricket in the future? Or more multi-format series?
I think we might see more multi-format competitions - such as Australia v New Zealand, perhaps - rather than multi-Test series.
Mel Jones
Former Australia batter on BBC Test Match Special
[Former Test batsman] Ed Cowan came to speak to the squad recently about playing longer-form cricket. He said one of the important things was to conserve mental energy - and to make sure you support each other as a group.
Charles Dagnall
BBC Test Match Special
Australia have been out in the field for 69 overs. Fatigue is going to be a factor out there.
BBC Test Match Special
Injured Australia captain Meg Lanning on TMS: "A lot will ride on the first innings for both sides. Whoever can get their noses in front in the first innings will have a good chance to go on to win. A lot's been said about the pink ball, but we won't know until we see what happens."
BBC Test Match Special
Injured Australia captain Meg Lanning on her stand-in Rachael Haynes: "Rachael's done a great job, and her batting has come on as well, We've got a lot of leaders in our side."
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BBC Test Match Special
Injured Australia captain Meg Lanning on TMS: "I'd been carrying my shoulder injury for about 18 months, I'd hope to get through the Ashes but it didn't pan out, so I had the shoulder reconstruction done about 12 weeks ago and I shouldn't have any problems after that."
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SamC: Absolutely loving the fact the day isn't finishing at the crack of dawn! More day/night Tests in Australia please!
TMS are just checking in with Adelaide, while they'll also be hearing from injured Aussie captain Meg Lanning during this interval.
It's a good time to put the kettle on and/or grab a bit of breakfast, as England prepare to bat on under the floodlights at 08:30 GMT.
They're also taking dinner in Adelaide, where England have been held up by a stubborn sixth-wicket stand between the Cricket Australia XI's Tim Paine and Matt Short who have taken the hosts from 57-5 to 128-5 in reply to England's 293. And if you've not heard, England have injured another one of their fast bowlers - Jake Ball has gone in the fetlock and won't bowl again today.