Hot Docs screenings start today, and a couple of lucky blogTO readers will win a pair of tickets each to a super scientific (and I mean that in the most astrophysical kind of way) world premiere at the festival.

Blast! is a documentary by director Paul Devlin, that follows a collaborative global research team on a quest to launch a research telescope. Data collection that aims to help answer questions about the origins of our Universe - like the formation and evolution of stars, galaxies and cosmic clusters is the goal. The journey follows the team to the far corners of the Canadian Arctic all the way down to Antarctica (with some scenes shot at the University of Toronto campus), and even includes a cameo by legendary filmmaker Werner Herzog.

We have a pair of tickets to give away to each of the film's two screenings (April 22nd and 26th) to the blogTO readers that can answer (perhaps the easiest) astronomy questions we could muster up. Continue reading for entry details.

To win the first pair (April 22nd screening):
Be the first person to post a comment below revealing the name of the galaxy that contains our planet Earth. Please use a valid email address on the form so we can contact you if you win.

To win the second pair (April 26th screening):
Be the first person to post a comment below the reveals the common name of the star nearest to planet Earth. Please use a valid email address on the form so we can contact you if you win.

Screenings and tickets details:

2008 Hot Docs International Documentary Film Festival

Tuesday, April 22nd at 9:15pm
The ROM Theatre
100 Queen's Park

Saturday, April 26 at 4:30pm
The Royal Cinema
608 College Street

Tickets are available at the Hot Docs Box Office at 87 Avenue Road (Hazelton Lanes, Upper Level), phone (416) 637-5150

or at www.hotdocs.ca.