NASA Logo in the header
Sciences and Exploration Directorate

Exploration
at Goddard

At Goddard, exploration is a system that builds outward, grounded in understanding Earth, extending through the space environment, and enabling safe and sustained missions to the Moon, Mars, and beyond.

The Sciences and Exploration Directorate (SED) brings together complementary scientific disciplines that work in concert to make exploration possible. Each contributes in a distinct way, while collectively forming a unified exploration enterprise.

Hover to see how our science makes exploration possible
ASTRONOMY PICTURE OF THE DAY

Buck Moon and Belt of Venus

The Buck Moon is a traditional name for the full moon of July. In this colorful Adriatic sea and skyscape captured on July 28 from Krk Island along the coast of Croatia, a full Buck Moon is just rising over distant mountains. Since a full moon rises as the Sun sets, Earth's shadow also rises in the twilight scene, a diffuse gray band extending above the mountainous southeastern horizon. Above Earth's shadow band is the pinkish antitwilight arch. That subtly tinted band of backscattered sunlight is more widely known as the Belt of Venus. But as it shares the eastern horizon with the atmospheric shadow of Earth and Belt of Venus, this full Buck Moon seems to set the stage for the New Moon to come. The New Moon of August 12 will cast its shadow on planet Earth in a much anticipated total solar eclipse.

Earth Observatory Picture

See images of Earth

HEASARC

Picture of the Week