Does the Moon ever block out Mars? Yes, the Moon occasionally moves in front of all of the Solar System’s planets. Just this past Sunday, as visible from some locations in South America, a waning gibbous Moon eclipsed Mars. The featured image from Córdoba, Argentina captured this occultation well, showing a familiar cratered Moon in […]
This past weekend, NASA astronaut and Expedition 63 Commander Chris Cassidy was no exception as he collected trash for disposal during weekend housekeeping activities. via wordpress https://wp.me/p4wJUi-7cp
Why is this nebula so complex? When a star like our Sun is dying, it will cast off its outer layers, usually into a simple overall shape. Sometimes this shape is a sphere, sometimes a double lobe, and sometimes a ring or a helix. In the case of planetary nebula NGC 5189, however, besides an […]
Through the Artemis program, NASA is working to land the first woman and the next man on the Moon by 2024. via wordpress https://wp.me/p4wJUi-7c8
What planets are those behind that unusual rock spire? Saturn (lower left) and Jupiter. This month, after sunset, the bright planetary duo are quite prominent toward the southeast. Now your view of our Solar System’s largest planets might not include a picturesque hoodoo in the foreground, nor the spectacular central band of our Milky Way […]
As of March 2020, our Mars Odyssey has captured these six views of the Martian moon Phobos. via wordpress https://wp.me/p4wJUi-7bq
Keep your eye on the ion tail of Comet NEOWISE. A tale of this tail is the trail of the Earth. As with all comets, the blue ion tail always points away from the Sun. But as Comet C/2020 F3 (NEOWISE) rounded our Sun, its ion tail pointed in slightly different directions. This is because […]
If humans could travel to this giant planet, we would see a world still glowing from the heat of its formation with a color reminiscent of a dark cherry blossom, a dull magenta. via wordpress https://wp.me/p4wJUi-7bg
Where is Jupiter’s ammonia? Gaseous ammonia was expected to be seen in Jupiter’s upper atmosphere by the orbiting Juno spacecraft — but in many clouds is almost absent. Recent Juno data, however, gives some clues: some high-level clouds appear to be home to an unexpected type of electrical discharge dubbed shallow lightning. Great charge separations […]
NASA’s OSIRIS-REx is ready for touchdown on asteroid Bennu. via wordpress https://wp.me/p4wJUi-7aM