ALT The sky at night is shown with a lot of cloud cover. Toward the bottom of the image are pine trees stretching out into the grayish-dark blue sky. On the center-right side of the image is a bright white line that has a teal-colored outline. This streak of light across the sky is a tiny asteroid that harmlessly entered Earth's atmosphere. To the very right of the image toward the bottom half, a partially full moon with a C-shape over the top half can be seen over a twiggy, bare tree.