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ALT A young child watches the eclipse with two pair of orange Caltech viewing glasses
ALT A crowd of people watches the eclipse at Caltech, a pair of friends smile and point up at the sky in the front of the group
ALT A crowd of people gather between the goals on a soccer field at Caltech's campus to watch the eclipse; at least one person raises their arms to cheer the event
ALT Students from Blair HS, Muir HS, and 2 other area schools, together with several parents and Blair HS teacher Karen Law, visited Hosea Nelson’s lab prior to his Oct. 18 lecture. Here they speak with a lab member who is exhibiting how the lab uses a glove box.
ALT The background of space is black. Thousands of galaxies appear all across the view. Their shapes and colors vary. Some are various shades of orange, others are white. Most stars appear blue, and are sometimes as large as more distant galaxies that appear next to them. A very bright star is just above and left of center. It has eight bright blue, long diffraction spikes. Between 4 o’clock and 6 o’clock in its spikes are several very bright galaxies. A group of three are in the middle, and two are closer to 4 o’clock. These galaxies are part of the galaxy cluster SMACS 0723, and they are warping the appearances of galaxies seen around them. Long orange arcs appear at left and right toward the center.
