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How could we build an invisibility cloak to hide Earth from an alien civilization?

A laser could hide – or broadcast – our existence. European Southern Observatory, CC BY David Kipping, Columbia University What would it take to hide an entire planet? It sounds more like a question posed in an episode of “Star Trek” than in academic discourse, but sometimes the bleeding edge of science blurs with themes found...

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Long before Armstrong and Aldrin, artists were stoking dreams of space travel

Chesley Bonestell’s detailed drawings of space travel inspired millions. James Vaughan/flickr, CC BY-NC-SA Anne Collins Goodyear, Bowdoin College In the midst of the space race, Hereward Lester Cooke, the former co-director of the NASA Art Program,...

New insights on how galaxies are formed

Astronomers can use supercomputers to simulate the formation of galaxies from the Big Bang 13.8 billion years ago to the present day. But there are a number of sources of error. An international research...

The Impact of LEO Satellites on Astronomy: A Threat to Our View of the Cosmos

For centuries, humanity has gazed upon the night sky with wonder and curiosity. The stars have guided our journeys, inspired our art, and fueled our scientific discoveries. However, the pristine beauty and clarity of...

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Sattelites

Satellites more at risk from fast solar wind than a major space storm

Satellites are more likely to be at risk from high-speed solar wind than a major geomagnetic storm according to a new UK-US study published this week in the Journal Space Weather. Researchers investigating the space...

SERVIR Co-hosts Regional Workshop on Inclusive Climate Action

From 2/12-16/24, representatives of SERVIR’s Science Coordination Office participated in an Inclusive Climate Action Workshop in Chiang Mai, Thailand. Hosted by SERVIR’s Southeast Asia...

Scientists find slowest spinning ‘radio neutron star’ — it breaks all the dead-star rules

Astronomers have discovered the slowest spinning radio wave-blasting neutron star ever seen; it takes almost an hour to complete a full rotation. That may sound...

Saturn’s Ocean Moon Enceladus is Able to Support Life

Scientists could one day find traces of life on Enceladus, an ocean-covered moon orbiting Saturn. NASA/JPL-Caltech, CC BY-SA Fabian Klenner, University of Washington Saturn has 146...

The Physics of Failure: Analyzing Hubble’s Gyroscope Malfunction

Illustration of the Hubble Space Telescope over the Earth. Credit: ESA/Hubble (M. Kornmesser & L. L. Christensen)The Hubble Space Telescope is currently in safe...

Bohr, Einstein and the battle over quantum fundamentals – Physics World

Entangled entities: Bohr, Einstein and the battle over quantum fundamentals – Physics World ...

ILA 2024 – Day 3

Agency 07/06/2024 24 views 0 likes Today marks the conclusion of the three 'trade days' at ILA. Following two intense days of panels and events, the...

National Flag Unfurled on Moon Made of Basalt Fibers

National Flag Unfurled on Moon Made of Basalt Fibers by Simon Mansfield Sydney, Australia (SPX) Jun 07, 2024 Chinese scientists developed a special national flag made of...

‘Sudden, brief, and unexpected:’ dearMoon crew laments cancellation of private SpaceX Starship moon mission

The dearMoon crew has shared their disappointment on social media following the mission's abrupt cancellation. Japanese billionaire Yusaku Maezawa canceled his planned flight around the...

COVID-19 Virus Can Lurk in Sperm for 100+ Days After Infection

A study by the University of São Paulo reveals that COVID-19 can persist in sperm for over three months, potentially reducing semen quality. This...

Cosmology