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Planetary Sciences 32 minutes ago

New ultra-hot Neptune-sized exoplanet discovered

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet. The newfound alien world, designated TOI-3261b, is nearly the size of Neptune and its equilibrium ...

Earth Sciences 19 hours ago

How climate change is altering the Earth's rotation

For the first time, researchers at ETH Zurich have been able to fully explain the various causes of long-term polar motion in the most comprehensive modeling to date, using AI methods. Their model and their observations show ...

Quantum Physics Jul 11, 2024

Physicists suggest tachyons can be reconciled with the special theory of relativity

Tachyons are hypothetical particles that travel at speeds greater than the speed of light. These superluminal particles, are the "enfant terrible" of modern physics. Until recently, they were generally regarded as entities ...

Astronomy Jul 10, 2024

Astronomers find the nearest massive black hole, a missing link in massive black hole formation

Newly identified fast-moving stars in the star cluster Omega Centauri provide solid evidence for a central black hole in the cluster. With at least 8,200 solar masses, it is the best candidate for a class of black holes astronomers ...

Quantum Physics Jul 9, 2024

Scientists successfully create a time crystal made of giant atoms

A crystal is an arrangement of atoms that repeats itself in space, in regular intervals: At every point, the crystal looks exactly the same. In 2012, Nobel Prize winner Frank Wilczek raised the question: Could there also ...

Optics & Photonics Jul 9, 2024

Photons from quantum dot emitters violate Bell inequality in new study

A new study in Nature Physics demonstrates a novel method for generating quantum entanglement using a quantum dot, which violates the Bell inequality. This method uses ultra-low power levels and could pave the way for scalable ...

Quantum Physics Jul 8, 2024

A new approach to realize quantum mechanical squeezing

Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, ...

Astronomy Jul 4, 2024

Nova eruption of V1716 Sco inspected in X-rays and gamma rays

Astronomers from China and Taiwan have observed the nova eruption of V1716 Sco that took place last year, using various X-ray and gamma-ray space observatories. Results of the observational campaign, presented June 27 on ...

Astronomy Jul 2, 2024

German scientists investigate supernova remnant SNR G309.8+00.0 at high energies

Using Spektr-RG and Fermi space observatories, German astronomers have investigated the supernova remnant SNR G309.8+00.0 in X-rays and gamma rays. Results of the new study, presented June 25 on the preprint server arXiv, ...

Astronomy Jun 29, 2024

The Milky Way's eROSITA bubbles are large and distant

In 2020, astronomers discovered a large hourglass-shaped structure in or near the center of our Milky Way galaxy. Dubbed "eROSITA bubbles," there have been a few different hypotheses proposed to explain their precise nature. ...

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