Astronomy


October 9, 2024

Stunning Images of Comet A3 Captured by Astronauts Aboard the ISS

Astronauts Matthew Dominick and Don Pettit are well known for their photography skills, capturing sweeping vistas from the International Space Station (ISS). Over the last few days, the astronauts have been following Comet A3 (Tsuchinshan–Atlas), discovered by astronomers early last year and thought to orbit the Sun about every 80,000 years. The comet made its closest approach to the Sun at the end of September.

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September 21, 2024

Watch Neil Armstrong Describe What Outer Space Looked like From the Moon in This Vintage Interview

While getting to Mars is now one of NASA's main goals, humankind’s first major ambition in space travel was to visit our closest neighbor: the Moon. A fascinating clip has resurfaced of Neil Armstrong—the first person to walk on the Moon in 1969—describing his historic view of space and Earth. As of 2024, only 12 people have ever stood on the Moon.

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August 30, 2024

Scientists Discover New Evidence That a Magma Ocean Once Covered the Moon

The Moon is our planet's loyal companion, orbiting Earth every 27 days. Although over 200,000 miles from Earth, it is our closest celestial neighbor. It clocks in at one-quarter Earth's size, and its history is deeply entwined with its larger companion. Scientists believe the Moon was created when a protoplanet impacted the early Earth, breaking off a large chunk of matter, and eventually formed a new body.

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