You can't have a galaxy without a black hole Galaxies and black holes are so intimately connected that it is almost impossible to find one without the other. Over the last decade, a team of researchers have detected massive black holes in all but one of the 30 spiral galaxies they surveyed. A powerful Ariane 5 rocket is being readied to fly to space early next month with two commercial communications satellites. Flight 140 will be the third Ariane rocket launch of 2001 and the first for Ariane 5. For the latest spaceflight news and features visit our sister-site, Spaceflight Now .
More news See our weekly archive of astronomy and space news.
Subscriptions Subscribe to Astronomy Now and have Britain's best selling astronomy magazine delivered to your door every month. Subscribe now and save more than 10 percent off the newsstand price. The night sky Our night sky pages contain details of this month's celestial highlights.