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The Latest Breaking News from the Solar System

How astronomers work out the size of the Solar System

The size of the solar system is defined by the volume of space over which the Sun’s influence exceeds those of other nearby stars in the Milky Way galaxy. This influence derives from two fundamental forces of nature: gravity and magnetism.

The Conversation

Dyson spheres: astronomers report potential candidates for alien megastructures – here’s what to make of it

There are three ways to look for evidence of alien technological civilisations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts. Another is to look for evidence of them visiting the Solar System. And a third option is to look…

The Conversation

Sci-Five | The Hindu Science Quiz: On Venus

The Hindu

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The Science Quiz | Is there alien life in the Solar System?

The Hindu

Team led by PRL Ahmedabad finds ozone on Jupiter’s moon Callisto

Scientists discover ozone on Jupiter's moon Callisto, hinting at potential habitability and complex chemical processes on the icy celestial body.

The Hindu

In zodiacal dust mystery, PRL Ahmedabad study points to a familiar source

Jayesh Pabari, a scientist at PRL Ahmedabad, has studied the NASA Juno spacecraft's solar panels, which suffered minor damage due to dust particles, and found that Mars's moons may be the source of the interplanetary dust that produces zodiacal light.

The Hindu

Space mysteries: Does the sun move in the solar system?

We know the sun is currently zooming through space, but does it move within our solar system?

Space

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Does the Solar system have a ninth planet after all?

So is our Solar System fated to have just eight planets? Not necessarily. There may be another one waiting to be found.

The Hindu

How we discovered that Uranus and Neptune are actually nearly identical in colour

In many images of the two outer gas giants of the Solar System, Neptune typically looks rich blue while Uranus comes across as pale green. A new study has revealed that these two ice giants are actually very similar shades of greenish blue.

The Hindu

Crystal-studded space rock found in the Sahara may rewrite the history of the early solar system

The rocks were found in May 2020 in the Erg Chech sand sea, in the Sahara Desert in southern Algeria.

Space

How we discovered that Uranus and Neptune are actually nearly identical in colour

In many images of the two outer gas giants of the Solar System, Neptune typically looks rich blue while Uranus comes across as pale green. But now our new study, published in Monthly Notices of the Royal Astronomical Society, has revealed that these two ice giants are actually very similar…

The Conversation

The 12 Best Space Images of 2023

Here are our picks for the 12 best space images of the year.

Inverse

'For All Mankind' season 4 episode 5 review: A new asteroid heading for Mars puts a rocket under the season

A new body in the Solar System starts a multi-trillion-dollar gold rush, while the shockwaves from a certain someone's departure continue to resonate on Mars.

Space

Is some of the body that collided with Earth to form the Moon still recognisable inside our planet?

Scientists have dated the birth of the Solar System to about 4.57 billion years ago. About 60 million years later a “giant impact” collision between the infant Earth and a Mars-sized body called Theia created the Moon.

The Conversation

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The Hindu

Sci-Five | The Hindu Science Quiz: On Space Telescope

Inverse

Many of the Universe's Remaining Mysteries Exist In This Icy, Doughnut-Shaped Region

Kuiper Belt objects are some of the last remaining unexplored objects in the universe. Finding them has proved incredibly difficult.

The Hindu

What will ‘cosmic detective’ OSIRIS-Rex bring back on September 24? | Explained

NASA's OSIRIS-Rex mission will drop a capsule of pristine asteroid material in the Utah desert on September 24. The astro-material may provide insights into how planets formed, what materials were present in the early Solar System, and how life on the earth began. OSIRIS-Rex had to precisely choreograph a celestial…

Inverse

Inside NASA’s Historic OSIRIS-REx Mission To Bring A Chunk of An Asteroid Back To Earth

On Sunday, NASA will finally witness the descent of its first asteroid sample retrieval mission.

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The Conversation

Are we about to see a rare green comet light up the sky? An expert on what to expect from Nishimura

Of all the objects in the Solar System, perhaps the most spectacular are the great comets that occasionally grace our skies. If you’ve been on social media in the past few days, you’ve probably seen articles proclaiming we have such a comet in our skies right now: C/2023 P1 (Nishimura).

Inverse

Why the Evidence for Interstellar Materials Found on the Ocean Floor is Flimsy

The discovery was quite interesting because, although such spherules are distributed globally, it is not easy to recover them from the depths of the ocean bed – requiring a dredging operation with a powerful magnet.

The Independent UK

Scientists give verdict on Harvard professor’s claim of finding materials in sea from outside Solar System

‘None of the evidence’ presented is ‘sufficiently convincing’ to infer they are from outside the Solar System

The Conversation

Have we really found the first samples from beyond the Solar System? The evidence is not convincing

Avi Loeb, an astrophysicist at Harvard University in the US, has published a press release claiming that some of the 700 or so spherical metallic fragments (spherules) he recovered from the bottom of the Pacific Ocean, just off the coast of Papua New Guinea, are from beyond the Solar System.

The Hindu

Sahara space rock 4.5 billion years old upends assumptions about the early Solar System

In new research published in Nature Communications, scientists analysed lead and uranium isotopes in Erg Chech 002 and calculated it is some 4.56556 billion years old, give or take 120,000 years

The Conversation

Sahara space rock 4.5 billion years old upends assumptions about the early Solar System

In May 2020, some unusual rocks containing distinctive greenish crystals were found in the Erg Chech sand sea, a dune-filled region of the Sahara Desert in southern Algeria.

LiveScience

Massive solar explosion felt on Earth, the moon and Mars simultaneously for the 1st time ever

Instruments in different parts of the solar system all captured radiation from the same coronal mass ejection for the first time ever.

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