Astronomy

Astrophysics

The Gas Giant was once bigger

Jupiter rapidly doubled in volume soon after the formation of the Solar System

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Astrophysics

Simulation suggests that Mercury formed from a glancing collision with a body of similar mass

Impact would have ripped away part of the planet's mass and shaped its current geological composition

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Astrophysics

Portrait of the Universe

Space mission captures images of 380,000 galaxies of varying shapes and sizes

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Astrophysics

Far reaches of the Solar System could be home to another planet

Study suggests the existence of a new world with a mass 7.5 times greater than Earth

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ASTROPHYSICS

Two dwarf satellite galaxies discovered near the Milky Way

Aquarius III and Leo VI each have less than 5,000 stars, a very low number for this type of formation

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Astrophysics

The wandering Sun and the cooling Earth

Solar System passed through the Orion constellation, which may have influenced Earth's climate

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ASTROPHYSICS

Hotter dry season reduces survival rate of Amazonian birds by 63%

Impact of 1 °C increase in average temperature was observed on 29 species living in a preserved area of the rainforest

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Astrophysics

Our neighboring galaxy in detail

James Webb Telescope details neighboring galaxy of Andromeda

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Astrophysics

Space centaur

James Webb Telescope captures detail of comet that behaves like an asteroid

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Legislation

Scientists work together to modify bill on meteorites that fall in Brazil

Proposed law would require that parts of meteorites be given to research institutions in Brazil

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Astrophysics

A retouched image

Image of the Sagittarius A* black hole published in 2022 may not show its actual shape

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Astrophysics

Asteroid set to pass close to Earth in 2029 could create a meteor shower on the Moon 100 years later

Proximity to Earth could cause debris surrounding the asteroid to be pulled away by the planet’s gravitational field

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Astrophysics

The most detailed map of the Milky Way

Most detailed map ever made of the Milky Way reveals the galaxy's three-dimensional structure and motions of its stars

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astrology

A hidden sea on Mars

A large reservoir of liquid water may be hidden beneath the surface of Mars

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Astrophysics

Sunspots seen by Kepler in 1607

In 1607, German astronomer and mathematician Johannes Kepler identified sunspots with the naked eye

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Astrophysics

New secrets of Jupiter

James Webb Telescope reveals new secrets about Jupiter

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ASTRONOMY

Thousands of craters and 17 rock types on the Moon

Geological maps of the Moon could help in the planning of future missions and construction of a lunar research base

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ASTROPHYSICS

Complex organic molecules found in the ice of nascent stars for the first time

Complex molecules associated to the origins of life identified in solid phase in two emerging stars

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Astrophysics

Strong magnetic field at the center of the Milky Way

Magnetic fields around the edge of the Milky Way's supermassive black hole

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Space

Tribute to the pioneers

Two large telescopes under construction have been named for American astronomers Vera Rubin and Nancy Roman

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Retrospect

In Japan, to see Venus

One hundred and fifty years ago, a Brazilian astronomer traveled halfway around the world to calculate the distance between the Earth and the Sun

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Astrophysics

Merging of neutron stars generates second-largest gamma-ray burst

Phenomenon produced rare earth metals in space

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Astrophysics

Concentrated energy

During its most recent period of maximum activity, the Sun emitted an unexpected escalation in high-energy gamma rays at its poles

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Astronomy

The Moon is shrinking

Cooling of the Moon’s core has caused it to shrink over the last few hundred million years

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Astrophysics

The oldest known black hole

James Webb Telescope captured indirect evidence of a supermassive black hole

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Astrophysics

Star brightness changes every four years, lighting up part of the surrounding nebula

Cloud of gas and dust is illuminated by the wave phenomenon, known as a light echo

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Astronomy

The challenges of living in space

Experiments confirm that living in space would not be easy

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Astronomy

Plasma waves higher than the Sun

Stars close to one another can cause plasma tides and enormous waves

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Astronomy

Satellite debris in the stratosphere

On returning to Earth, satellites and rockets leave metal chemical elements in the stratosphere

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Astrophysics

James Webb data challenges cosmology

Telescope observations fuel debate about the formation of galaxies and the speed at which the Universe is expanding

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