The twin STEREO satellites, intended to take three-dimensional images of the Sun, launched successfully from Cape Canaveral on Wednesday, just before 9 p.m. local time. The two spacecraft will now go into orbit about the moon, and gradually separate to take up their observing positions. They should be sending back images by December. Read news@nature’s pre-launch story here.

The twin STEREO satellites, intended to take three-dimensional images of the Sun, launched successfully from Cape Canaveral on Wednesday, just before 9 p.m. local time. The two spacecraft will now go into orbit about the moon, and gradually separate to take up their observing positions. They should be sending back images by December. Read news@nature’s pre-launch story here.