OrbitalHub

NASA dicit:

This is a simulation of a twenty-five-and-a-half-day mission from roll-out to recovery of the first integrated flight test of NASA’s Orion spacecraft and the Space Launch System rocket, launching from the agency’s Kennedy Space Center in Florida. This uncrewed mission will be the first in a planned series of exploration missions beyond the moon, signaling what astronauts who dare to operate in deep space will experience on future flights.

Video Credit: NASA

NASA dicit:

Every year, sea ice fluctuates through the seasons, growing in the winter and shrinking in the summer. This year, Arctic sea ice reached its annual maximum on March 13, 2019. It wasn’t a record low, but it continued a trend of declining sea ice maximums and minimums.

Video Credit: NASA Goddard

Tasks on U.S. EVA 53.

Video Credit: NASA

Tasks on U.S. EVA 52.

Video Credit: NASA

NASA dicit:

This visualization displays a simulation of the dust ring at Venus’s orbit around the Sun. Scientists hypothesize a group of never-before-detected asteroids orbiting the Sun with Venus are responsible for supplying Venus’s dust ring.

Video Credit: NASA’s Scientific Visualization Studio/Tom Bridgman

NASA dicit:

On the evening of March 6, 2019, the Moon started to transit the Sun, then doubled back and retraced its steps in the other direction — at least, that’s what it looked like from the perspective of NASA’s Solar Dynamics Observatory, or SDO, in orbit around Earth. The relative speeds and positions of the Moon, the Sun and NASA’s Solar Dynamics Observatory resulted in this unusual lunar transit where the Moon appears to pause and reverse course.

Video Credit: NASA