Lifeboat Foundation

Last year, NASA undertook its first planetary defense mission with the Double Asteroid Redirection Test (DART). The goal was to divert the moonlet Dimorphos from its orbit, demonstrating that an asteroid could be redirected in the case of a catastrophic course toward Earth.

The spacecraft’s impact, while altering the moonlet’s orbit, also resulted in the dispersal of 37 boulders from its surface. Some of these space rocks are as wide as 22 feet off its surface.

The DART mission was watched intently across the globe on September 26, 2022. The spacecraft successfully shifted Dimorphos’s orbit from an original 11 hours and 55 minutes to 11 hours and 23 minutes post-impact.

Scientists have discovered fossil evidence of a cyclical climate on Mars, with wet and dry seasons like those on Earth. This environment, in which simple organic molecules have already been discovered, may have provided ideal conditions for the formation of complex organic compounds.

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The iconic movie Alien once claimed: “In space, no one can hear you scream.” However, physicists Zhuoran Geng and Ilari Maasilta from the Nanoscience Center at the University of Jyväskylä, Finland, beg to differ. Their recent research suggests that under specific conditions, sound can indeed be transmitted powerfully across a vacuum.

Their findings, published recently in the journal Communications Physics, reveal that in certain scenarios, sound waves can “tunnel” through a vacuum gap between two solid objects, provided those objects are piezoelectric. These particular materials generate an electrical response when subjected to sound waves or vibrations. Given that an electric field can be present in a vacuum, it can effectively carry these sound waves across.

The requirement is that the size of the gap is smaller than the wavelength of the sound wave. This effect works not only in the audio range of frequencies (Hz-kHz), but also in ultrasound (MHz) and hypersound (GHz) frequencies, as long as the vacuum gap is made smaller as the frequencies increase.

Russian experts monitoring their moon-bound unmanned spacecraft Luna-25 have switched on its scientific equipment and started processing the first data.

Russia is aiming to become the first country to carry out a soft landing on the lunar south pole — a region thought to hold pockets of water ice.

Space agency Roscosmos said in a statement on Sunday: Luna-25 continues its flight to the Earth’s natural satellite — all systems of the automatic station are working properly, communication with it is stable, the energy balance is positive.

Alexandra is a very attentive girlfriend. “Watching CUBS tonight?” she messages her boyfriend, but when he says he’s too busy to talk, she says, “Have fun, my hero!” Alexandra is not real. She is a customizable AI girlfriend on dating site Romance. AI. As artificial intelligence seeps into seemingly every corner of the internet, the world of romance is no refuge. AI is infiltrating the dating app space – sometimes in the form of fictional partners, sometimes as advisor, trainer, ghostwriter or matchmaker. https://www.cnn.com/2023/08/13/tech/ai-dating-apps/index.html

NASA’s Parker Solar Probe marks five successful years in space, achieving milestones like touching the Sun and collecting more than double the expected data. The mission’s continuing journey promises to deepen our understanding of space weather and the Sun’s effects on Earth. Credit: NASA GSFC/CIL/Brian Monroe.

NASA

Established in 1958, the National Aeronautics and Space Administration (NASA) is an independent agency of the United States Federal Government that succeeded the National Advisory Committee for Aeronautics (NACA). It is responsible for the civilian space program, as well as aeronautics and aerospace research. Its vision is “To discover and expand knowledge for the benefit of humanity.” Its core values are “safety, integrity, teamwork, excellence, and inclusion.” NASA conducts research, develops technology and launches missions to explore and study Earth, the solar system, and the universe beyond. It also works to advance the state of knowledge in a wide range of scientific fields, including Earth and space science, planetary science, astrophysics, and heliophysics, and it collaborates with private companies and international partners to achieve its goals.

Among NASA’s 11 winners is one long-shot prospect that could benefit greatly from some government cash.

The image, released by ESA shows the twin protostars Herbig-Haro 46/47, which are located about 1,470 light years away from Earth.

The European Space Agency (ESA) has shared a stunning image of two young stars in the process of formation, captured by the James Webb Space Telescope (JWST). But what has caught the attention of astronomers and netizens alike is a mysterious object that resembles a giant question mark in the sky.

Credits: NASA, ESA, CSA, J. DePasquale (STScI)

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