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The James Webb Telescope’s 2 component halves had been undergoing testing in Houston. They’re now at Northrop Grumman Aerospace Systems in California, about to be assembled.
How to watch online this week as 2 newly discovered asteroids – 2018 CB and 2018 CC – sweep closer to Earth than the moon.
We’ve just passed a series of 3 full supermoons. The next supermoons of 2018 will be the new moons of June, July and August.
Groundhog Day is tied to the movement of Earth around the sun. It’s the year’s 1st cross-quarter day.
Mars’ Mount Sharp – whose flanks are the focus of the Curiosity rover’s studies on Mars – photobombed this January 2018 selfie of the rover.
It was a Blue Moon, a supermoon and a moon in total eclipse. EarthSky community members around the world came through as always with awesome photos.
Today is the 60th anniversary of the United States’ 1st step into space with its Explorer 1 satellite. The launch helped fuel the space race and led to the discovery of the Van Allen radiation belts.
Videos and links related to potential health effects to astronauts from space radiation, plus solutions and countermeasures.
Watch on January 29, as two astronauts aboard the International Space Station (ISS) perform the year’s 2nd spacewalk. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at about 12:10 UTC (7:10 a.m. EST).
Eastern France experienced unusually heavy rainfall throughout January 2018, and last week the Seine, in Paris, began a precipitous rise. Videos here.
Moon and Uranus February 19 and 20
Return of the young moon, and Venus