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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

Perseids Over a little Planet

It looks like a view from the Little Prince's planet. The featured image is a throwback to the 2024 Perseid meteor shower, surrounded in this projection by the Bieszczady Mountains in Poland. Visible in the sky is the arch of the Milky Way, along with several nebulas in red and over a hundred meteors pointing to the radiant. The Perseids are easily visible and quite popular in the Northern Hemisphere summer. (Watching meteor showers in the winter is less convenient for a good reason). This year they are expected to offer an even more dazzling spectacle than usual, because the peak coincides with a new moon. The 2026 Perseid meteor shower will peak tonight with as many as 50-100 meteors per hour, when the Earth's path crosses through debris left behind by Comet Swift-Tuttle. Typically, the best times for seeing the meteors are between midnight and pre-dawn. You won't need binoculars to see the meteors, but a lawn chair and a dark sky location help. There is total solar eclipse happening today! See here if you are in the path of totality.

Earth Observatory Picture

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HEASARC

Picture of the Week