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category: NASA

ELT and the Milky Way

By iftttauthorways4eu on Sat Mar 16 2024

The southern winter Milky Way sprawls across this night skyscape. Looking due south, the webcam view was recorded near local midnight on March 11 in dry, dark skies over the central Chilean Atacama desert. Seen below the graceful arc of diffuse starlight are satellite galaxies of the mighty Milky Way, also known as the Large […]

Portrait of NGC 1055

By iftttauthorways4eu on Fri Mar 15 2024

Big, beautiful spiral galaxy NGC 1055 is a dominant member of a small galaxy group a mere 60 million light-years away toward the aquatically intimidating constellation Cetus. Seen edge-on, the island universe spans over 100,000 light-years, a little larger than our own Milky Way galaxy. The colorful, spiky stars decorating this cosmic portrait of NGC […]

Moon Pi and Mountain Shadow

By iftttauthorways4eu on Thu Mar 14 2024

What phase of the Moon is 3.14 radians from the Sun? The Full Moon, of course. Even though the Moon might look full for several days, the Moon is truly at its full phase when it is Pi radians (aka 180 degrees) from the Sun in ecliptic longitude. That’s opposite the Sun in planet Earth’s […]

Apollo 9 Crew Comes Home

By iftttauthorways4eu on Wed Mar 13 2024

Immediately after splashdown, a recovery helicopter from the USS Guadalcanal hovers over the Apollo 9 spacecraft. Still inside the Command Module are astronauts James A. McDivitt, David R. Scott, and Russell L. Schweickart. Splashdown occurred at 12:00:53 p.m. EST March 13, 1969, only 4.5 nautical miles from the USS Guadalcanal, the prime recovery ship, to […]

By iftttauthorways4eu on Wed Mar 13 2024

A broad expanse of glowing gas and dust presents a bird-like visage to astronomers from planet Earth, suggesting its popular moniker: the Seagull Nebula. This portrait of the cosmic bird covers a 1.6-degree wide swath across the plane of the Milky Way, near the direction of Sirius, the alpha star of the constellation of the […]

By iftttauthorways4eu on Tue Mar 12 2024

What’s that over the horizon? What may look like a strangely nearby galaxy is actually a normal rocket’s exhaust plume — but unusually backlit. Although the SpaceX Falcon 9 rocket was launched from Cape Canaveral in Florida, USA, its burned propellant was visible over a much wider area, with the featured photograph being taken from […]

Moon and Sun Over Wyoming

By iftttauthorways4eu on Mon Mar 11 2024

The Moon is seen passing in front of the Sun at the point of the maximum of the partial solar eclipse near Banner, Wyoming on Monday, Aug. 21, 2017. A total solar eclipse swept across a narrow portion of the contiguous United States from Lincoln Beach, Oregon to Charleston, South Carolina. A partial solar eclipse […]

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