Astronomy Archives - Page 11 of 40 - Scitke

Astrophysicists Uncover the Secrets Behind the Formation of Massive Galaxies

It’s both humbling and inspiring to consider how much remains to be discovered about the Universe. My collaborators and I recently addressed one of astrophysics’ longstanding mysteries: how massive elliptical galaxies form. For the first time, we now have strong observational evidence to answer this question, as detailed in our recently published study in Nature. […]

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Crash of Ingenuity Mars Helicopter Offers New Insights Into the Red Planet

Astronomy, Planetary Science / Mauro Lucas

Even in its final moments, NASA’s Ingenuity helicopter continues to contribute to our understanding of Mars. The groundbreaking aircraft, designed for just five flights over 31 days, exceeded expectations by completing an astonishing 72 missions over nearly three years. Ingenuity’s extraordinary journey ended on January 18, 2024, during a routine flight in the thin Martian

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NASA Observes Black Hole Jet Colliding with Mysterious Object

Astronomy, Planetary Science / Samilton Santos

One of the most peculiar galaxies near the Milky Way has presented astronomers with a new and intriguing mystery Known as Centaurus A, this galaxy hosts a supermassive black hole at its center that emits enormous jets of plasma. These jets, traveling through intergalactic space, have collided with something mysterious. But what is this “something“?

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Primordial Black Holes Might be Hidden in Planets or Everyday Objects on Earth

Astronomy, Astrophysics, Planetary Science / Mauro Lucas

When you think of black hole formation, you likely picture a massive star collapsing under its own gravity. However, the early universe’s chaotic conditions might have also produced small black holes, known as primordial black holes, long before the first stars existed. These black holes, theorized for decades, could even be the elusive dark matter

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NASA’s Moon Return Missions Face Further Delays

Astronomy, Astrophysics, Planetary Science / Samilton Santos

The Artemis II and III missions, which aim to return U.S. astronauts to the Moon, have been delayed once again. At a press briefing, NASA officials revealed that issues with the heat shield and life support systems would push back the launches to 2026 and 2027. On December 5, NASA Administrator Bill Nelson, Deputy Administrator

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Ancient Black Holes Could Leave Tiny Tunnels in Rocks and Buildings

Astronomy, Astrophysics / Samilton Santos

Black holes are usually detected light-years away, but a new study suggests they could also be found here on Earth, in the form of tiny tunnels carved through rocks or ancient buildings. Scientists theorize that primordial black holes formed shortly after the Big Bang, unlike regular black holes, which form from collapsing massive stars. They

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A Galaxy Collision at 3.2 Million km/h

Astronomy, Astrophysics, Planetary Science / Jorge Paka

Astronomers have observed a massive galaxy collision in remarkable detail, triggered by a galaxy traveling at 2 million mph (3.2 million km/h), using one of Earth’s most powerful telescopes. The dramatic event occurred in Stephan’s Quintet, a galaxy group discovered nearly 150 years ago, and sparked a shockwave resembling a “sonic boom from a jet

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A Magnetic Vortex is Churning the Haze at Jupiter’s Poles

Astronomy, Astrophysics, Planetary Science / Mauro Lucas

Jupiter’s Great Red Spot has long been a planetary icon. However, UC Berkeley astronomers have now identified equally massive, Earth-sized dark spots at the planet’s poles. These UV-dark ovals, which appear within the stratospheric haze at the poles, come and go unpredictably. Notably, they sit just below the auroral zones and absorb more ultraviolet light,

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Scientists Have Officially Confirmed the Composition of the Moon’s Interior

Astronomy, Astrophysics, Planetary Science / Jorge Paka

A detailed study released in May 2023 revealed that the Moon’s inner core is a solid sphere with a density similar to iron. Researchers believe this discovery will resolve a long-standing debate about whether the Moon’s core is solid or molten, providing a clearer understanding of the Moon’s history and, in turn, the history of

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This Meteorite Has Uncovered an Ancient Traces of Water on Mars

Astronomy, Stellar Astronomy / Mauro Lucas

There is increasing evidence that Mars was once a wet and watery world, with lakes and oceans shaping its surface, leaving behind sediments that are now being carefully analyzed by rovers exploring the planet’s dry, dusty landscape. We know water existed on Mars, but determining exactly when, how, and where it went is more complex.

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