Sir Lancelot

[Applegate]

1 across ???R?????I?? - study of star formation. Thanks in advance, Im must be having a blonde day!

[Lie-in King]

1a Astrophysics

Don't you have more fun? :-)

[Applegate]

How come you are so clever??? You made me laugh tho, cos you're right, I get disappointed if I finish it, and cross if I cant! Thankyou! So what is the answer to 2 down and 7 down then - cos I'm still stuck!

[Lie-in King]

Lol! :-)

2d Synodical
7d Shirr

[Applegate]

Thanks again! OK, so I give in - I need to cook lunch and not sit here staring into space, so what is 4 down then? I will have to admit defeat this week!

[Lie-in King]

Sorry, I only just saw your reply -

4d Plane table