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Planetary Sciences Jul 3, 2024

NASA's planetary radar tracks two large asteroid close approaches

The Deep Space Network's Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth.

Plants & Animals Jul 3, 2024

Blue and great tits deploy surprisingly powerful memories to find food, finds study

Blue and great tits recall what they have eaten in the past, where they found the food and when they found it, a new study shows. In the first experiment of its kind to involve wild animals, blue and great tits demonstrated ...

Astronomy Jul 2, 2024

Energetics of compressive waves in the solar corona

Inelastic scattering off moving or oscillating density fluctuations leads to broadening of radio signals propagating in the solar corona and solar wind. Using an anisotropic density fluctuation model from the kinetic scattering ...

Soft Matter Jul 2, 2024

Quantum sensors: How does the flow profile affect flow measurements?

Researchers at Fraunhofer IPM have developed a contactless flow measurement method based on magnetic fields. For the first time, they have been able to show the quantitative impact of the flow profile on the magnetic signal. ...

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 Jul 1, 2024

Research intern helps discover a new pulsar buried in a mountain of data

U.S. Naval Research Laboratory (NRL) Remote Sensing Division intern Amaris McCarver, along with a team of astronomers, has discovered the first millisecond pulsar in the stellar cluster Glimpse-CO1 and recently published ...

Astronomy Jul 1, 2024

What's next for the Event Horizon Telescope? Twelve possible new targets

Both the Milky Way and a galaxy known as M87 have supermassive black holes at their core. These are the two largest black holes we know about and the Event Horizon Telescope has just captured stunning images of their event ...

Astronomy Jul 1, 2024

Astronomers discover a peculiar radio galaxy

Using the LOw-Frequency ARray (LOFAR), astronomers have discovered a new radio galaxy. The newfound galaxy, designated J0011+3217, showcases peculiar features, including a one-sided secondary lobe. The finding was reported ...

Ecology Jun 30, 2024

Most marine protection measures are not working—a new, more flexible approach is needed

The radio crackles into life on a small boat off an idyllic beach in Ningaloo Marine Park, Western Australia. Two recreational fishers are trying to catch prized spangled emperors in a sanctuary zone, where all fishing is ...

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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