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Hubble Uncovers a Celestial Fossil

By iftttauthorways4eu on Fri Mar 01 2024

This densely populated group of stars is the globular cluster NGC 1841, which is part of the Large Magellanic Cloud (LMC), a satellite galaxy of our Milky Way galaxy that lies about 162,000 light-years away. Satellite galaxies are bound by gravity in orbits around a more massive host galaxy. We typically think of the Andromeda […]

Odysseus and The Dish

By iftttauthorways4eu on Fri Mar 01 2024

Murriyang, the CSIRO’s Parkes radio telescope points toward a nearly Full Moon in this image from New South Wales, Australia, planet Earth. Bathed in moonlight, the 64 meter dish is receiving weak radio signals from Odysseus, following the robotic lander’s February 22 touch down some 300 kilometers north of the Moon’s south pole. The landing […]

Julius Caesar and Leap Days

By iftttauthorways4eu on Thu Feb 29 2024

In 46 BC Julius Caesar reformed the calendar system. Based on advice by astronomer Sosigenes of Alexandria, the Julian calendar included one leap day every four years to account for the fact that an Earth year is slightly more than 365 days long. In modern terms, the time it takes for the planet to orbit […]

By iftttauthorways4eu on Wed Feb 28 2024

How does the sky turn dark at night? In stages, and with different characteristic colors rising from the horizon. The featured image shows, left to right, increasingly late twilight times after sunset in 20 different vertical bands. The picture was taken last month in Syracuse, Sicily, Italy, in the direction opposite the Sun. On the […]

A Splash of Pink

By iftttauthorways4eu on Tue Feb 27 2024

A female (left) and a male roseate spoonbill get together near the tall grasses at the edge of a pond in the Merritt Island National Wildlife Refuge, northwest of Kennedy Space Center in Florida. Spoonbills inhabit areas of mangrove such as on the coasts of southern Florida and Texas. These birds feed on shrimps and […]

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