Astronomy Archives - Page 14 of 41 - Scitke

Earth’s Potential Ring System and Climate Impact 499 Million Years Ago

New research suggests that a ring formed around the Earth about 466 million years ago, potentially explaining an unusually high number of meteor impacts and influencing the planet’s climate. Earth’s history with cosmic materials includes the well-known Chicxulub impact that wiped out the dinosaurs, but there were earlier impacts, particularly during the Ordovician period. Scientists […]

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NASA is Moving Forward with Plans to Establish a Time Zone on the Moon

Astronomy, Planetary Science, Science / Marcílio Santos

Fortunately, NASA is advancing plans to implement a standardized time zone on the Moon. The proposed Coordinated Lunar Time (LTC) would help schedule missions and explorations, making future efforts to establish a permanent base on the lunar surface somewhat easier. While the concept has been previously discussed, NASA has announced plans to collaborate with the

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Lab Discovery Presents New Challenge in the Search for Alien Life

Astronomy, Planetary Science / Marcílio Santos

The most probable method for detecting life on a distant exoplanet is by identifying a biosignature. This involves analyzing the atmospheric spectra of the planet to find the distinctive spectral pattern of a molecule that can only be produced through biological activity. Although it seems straightforward, detecting life on exoplanets is far from simple. The

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A Nuclear Explosion Could Protect Earth From An Asteroid

Astronomy, Planetary Science / Samilton Santos

Nuclear Explosions as a Defense Against Asteroids Precisely detonating a nuclear bomb above an approaching asteroid could be our best chance of avoiding a catastrophic impact.Precisely detonating a nuclear bomb above an approaching asteroid could be our best chance of avoiding a catastrophic impact. A laboratory experiment conducted by an international team of researchers showed

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X-rays May Help Divert Hazardous Asteroids Heading toward Earth

Astronomy, Planetary Science / Samilton Santos

Asteroids pose a serious threat to Earth, as history has shown – just ask the dinosaurs. Scientists at Sandia National Laboratories have now demonstrated a potential method for diverting a dangerous asteroid using X-rays. NASA’s Current Defense Measures NASA has already taken proactive steps to protect the planet. The Sentry mission monitors near-Earth asteroids and

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A New Mini-Moon to Arrive in Earth’s Orbit Later This Month

Astronomy, Planetary Science / Valeriano Ndeyi

Step aside, Moon—Earth is about to gain a new natural satellite. This “mini-moon” will stay with us for the next two months, though it’s not its first visit, and it won’t be the last. This temporary mini-moon is actually a small asteroid, about 10 meters (33 feet) wide, officially named 2024 PT₅. Discovered just last

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Earth May Have Had a Ring Like Saturn – and It Caused Havoc

Astronomy, Planetary Science / Ana Manuel

New Evidence of Earth’s Potential Ring System Saturn’s rings are famous, but new evidence suggests that Earth might have also had a ring at some point in its history. This ring would have caused significant impacts on the surface. We know that Earth has gone through many phases throughout its existence. Initially, it was covered

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Polaris Dawn Hears Up for its First Private Spacewalk: Here’s How to Watch

Astronomy, Planetary Science / Valeriano Ndeyi

After completing its first day in orbit, the Polaris Dawn mission is set to conduct the first-ever private spacewalk. Two astronauts are scheduled to exit the Dragon spacecraft Resilience at 2:23 am EDT. Here’s how to watch. Launched at 5:23 am EDT on September 10, 2024, from Complex 39A at NASA’s Kennedy Space Center in

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First Private Spacewalk Mission Launched into Orbit

Astronomy, Planetary Science / Marcílio Santos

The Polaris Dawn mission, the most ambitious private space venture to date, has successfully launched, marking the first-ever private spacewalk. At 5:23 am EDT, the mission lifted off from NASA’s Kennedy Space Center’s Launch Complex 39A in Florida aboard a Falcon 9 rocket, heading for low-Earth orbit. This mission represents a significant move toward ending

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The ISS Successfully Completed the First 3D Metal Printing in Space

Astronomy, Planetary Science / Marcílio Santos

In an experiment that seems as risky as bobbing for fries, the European Space Agency (ESA) successfully conducted the first 3D metal printing in space aboard the ISS. Developed in collaboration with Airbus, the Metal 3D Printer produced the first of four test shapes. 3D printing on the ISS isn’t a new concept, with the

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