This is probably the most amazing photo you will see of the Orion nebula's center, a cloud of gas and dust known as M42. The work was created by Adam Block at the Mount Lemon Sky Center observatory in Arizona. Image: Adam Block/Mount Lemmon SkyCenter/University of Arizona
Multiple choice: This succulent planting combines Echeveria spp. with various types of hens-and-chicks (Sempervivum spp.) in a sleek black metal container. You can choose from more than 40 species of hens-and-chicks to vary your look. A few smooth stones between plants give this combination a rocky, organic effect.