Robert Michael O'Leary

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ESA's Gaia lifts off

Celestial Laser Show? Nope, These Are Trails Showing Off Star Colors

There are so many colorful streaks in that image above that you’d be forgiven for thinking somebody is shooting lasers around the European Southern …

Visions of Earth through the Yutu Rover's Eyes

Last night I used my telescope to eye-hike the volcanic plains of the Sea of Rains (Mare Imbrium) where the Yutu rover and lander sit beneath a …

Where Did Saturn's Rings Come From?

<i>Dr. Kevin Grazier was a planetary scientist with the Cassini mission for over 15 years, studying Saturn and its icy rings. He was also the science</i> …

Stunning Timelapse: Stargazing in the Canadian Rockies

One of our favorite photographers, Jack Fusco, recently visited Jasper National Park in Alberta, Canada, one of the worlds largest dark sky …

ESA's Gaia Mission Launches to Map the Milky Way

Early this morning, at 09:12 UTC, the cloudy pre-dawn sky above the coastal town of Kourou, French Guiana was brilliantly sliced by the fiery exhaust …