Researchers propose a lunar space elevator using existing materials, potentially revolutionizing space travel within decades. Anchored on the moon and extending to Earth's orbit, this "spaceline" could drastically cut mission costs and fuel needs. It would also enable a sustainable human presence in space, facilitating lunar bases and interplanetary missions.
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Scientists have identified *Ikaria wariootia*, a tiny wormlike creature from 555 million years ago, as the earliest known bilaterian. This discovery from South Australia reveals the origin of bilateral body structure, a key feature in most animals today. The fossil's characteristics and burrowing behavior provide insights into early animal evolution and locomotion.
Space advocates, including those from Mississippi's Stennis Space Center and Louisiana's Michoud Assembly Facility, rallied in Washington, D.C., to protect NASA programs amid proposed budget cuts. They emphasized the importance of continued funding for the Artemis program, which is vital for America's space ambitions and supports thousands of jobs in the Gulf Coast region.
A recent European study involving over 349,000 participants reveals a strong link between urban environments and asthma development. High air pollution, limited green spaces, and concrete-dominated areas significantly elevate asthma risk, especially in children. The research highlights that almost 12% of asthma cases can be attributed to these urban environmental factors, emphasizing the need for healthier urban planning.
Asteroid 2003 MH4, a large space rock about three football fields in length, will make a close approach to Earth around May 24, 2025. While not an immediate threat, its size and speed have prompted NASA to closely monitor its trajectory. This event highlights the importance of ongoing planetary defense efforts and the need for vigilance in tracking near-Earth objects.
Get ready for Summer 2025. It promises amazing celestial events. Stargazers can look forward to meteor showers and full moons. Planetary alignments and eclipses will also occur. The Perseid Meteor Shower and a total lunar eclipse are highlights. The Autumnal Equinox also provides a unique experience. Knowing when and where to look is important. Don't miss these awe-inspiring moments.
New research challenges the long-held belief that asteroid Vesta is a protoplanet. Scientists at Michigan State University suggest Vesta is a fragment of a larger, extinct planet shattered in a massive collision 4.5 billion years ago. Gravity data from NASA's Dawn mission reveals no metal-rich core, contradicting earlier assumptions and redefining planetary evolution.
The deep ocean, covering most of Earth, remains largely unexplored, with only 0.001% visually studied. It regulates climate, harbors unique ecosystems, and holds potential resources. However, human activities like climate change, pollution, and overfishing threaten this vital environment before its true value is understood, necessitating urgent conservation efforts and sustainable practices.
For Narlikar, it was his way of saying that the universe couldn’t have appeared all at once. The Big Bang theory, he felt, was too sudden, too convenient—and too close to the idea of a divine creation. He also pointed out that the theory had strong support from the Church: after all, it was first proposed by a Catholic priest, Georges Lemaître, and even endorsed by the Pope.
A large asteroid, 2003 MH4, will pass by Earth on May 24. It is about the size of the Eiffel Tower. The asteroid will travel at 30,060 kilometers per hour. NASA considers this a close encounter. Continuous monitoring of near-Earth objects is important. Even small gravitational changes can alter an asteroid's path.
Scientists are using satellite data to monitor tree health near volcanoes. Trees absorb volcanic carbon dioxide, which makes them greener. NASA's AVUELO project and other satellites track these changes. This helps detect early signs of volcanic activity. The goal is to improve volcano early warning systems, especially in remote areas. Ground observations are crucial for verifying satellite data.