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The real end of the world

Once again, Earth has not been destroyed in a fiery apocalypse. But, someday, our luck will run out. Be prepared! At The Guardian, Ian Sample and Alok Jha helpfully explain how our universe will one day (finally) be destroyed. The good news: By the time that happens, you'll already be dead. [Watch Ian Sample demonstrate different scenarios for the destruction of Earth] [Watch Alok Jha describe the ultimate fate of the universe] Maggie

Cosmically speaking, we are over the hill

This entire universe is nearing the point where it's time to throw it a party full of black balloons and cheap Grim Reaper decorations, according to recent research by an international team of astronomers. They studied the rate at which stars are born and found that that rate is declining. In fact, most of the stars that will ever exist already do. We're only likely to increase the total by about 5% between now and the end of everything. So, you know. Have a great rest of your day. Maggie

Submit your physics questions, win cool prizes

Tomorrow night at 9:00 pm Eastern, physicist Brian Greene will be speaking in New York City about ... well ... life, the Universe, and everything. He'll be joined via live link by theoretical physicist Leonard Susskind, and 2011 Nobel Prize winner Saul Perlmutter. It's part of the launch of Greene's new PBS series: NOVA: Fabric of the Cosmos. You can watch the NOVA episode anywhere. The live event will be streamed online starting at 10:00 pm Eastern.

Want to see the live event in person? You can't. It's sold out already. EXCEPT, here's the thing. The World Science Festival, which is cohosting the event, has a pair of confirmed VIP tickets set aside for a special BoingBoing reader.

How do you become special? It's easy. As part of the live event, Brian Greene, Leonard Susskind, and Saul Pearlmutter will be answering questions about all the weird and wiggly concepts that make physics so much fun, from dark matter, to the multiverse, to time travel. To get a crack at the VIP tickets, all you have to do is submit your question. Just post it here, in the comments, along with a mention of whether or not you live in the New York City area. I'll get the questions to the folks at the World Science Festival, and I'll pick one commenter (at random) to receive the free VIP tickets.

Don't live in New York City? Me, neither. That's why I'll also be drawing a second winner who'll receive a Fabric of the Cosmos DVD set.

You'll have until 10:00 pm central tonight to submit your questions.

Winners will be announced tomorrow morning, bright and early.

Image: Dark and ordinary matter in the Universe, a Creative Commons Attribution Share-Alike (2.0) image from argonne's photostream