The asteroid 4 Vesta and the Moon are shown to scale. Although more than 6½ times smaller than Earth’s satellite, Vesta has a much higher surface brightness. German astronomer Heinrich Olbers discovered Vesta in northern Virgo on March 29, 1807.
Moon image: Gregory H. Rivera; Vesta: NASA / JPL-Caltech / UCAL / MPS / DLR / IDA with additions by the author
A new month is underway, with a bright minor planet strutting its stuff in Leo, the Lion. Grab your binoculars because that’s all you’ll need to see 4 Vesta, the second largest and brightest main belt asteroid. In early