Signal from Baryon Acoustic Oscillations (BAO) in the Dark Energy Survey (DES) data. When plotting the number of galaxy pairs as a function of their angular separation in the sky, we find an excess of pairs at 2.90 degrees. This is caused by BAO waves that have traveled hundreds of …
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The inner region of the Orion Nebula as seen by the James Webb Space Telescope’s NIRCam instrument. The image was obtained with the James Webb Space Telescope NIRCam instrument on Sept. 11, 2022. Several images in different filters were combined to create this composite image: F140M and F210M (blue); F277W, …
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Credit: CC0 Public Domain For the first time since 1972, the United States is back on the moon. At 6:23 p.m. Eastern time Thursday Feb 22, Intuitive Machines Inc. landed a robotic spacecraft on the moon, becoming the first private firm to place a vehicle intact on the lunar surface. …
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Space is already crowded with human-made objects and anti-satellite weapons can make the situation much worse. Credit: NASA ODPO In a week where national security has taken center stage in Washington, the White House confirmed on Thursday that it had evidence that Russia was developing a space-based nuclear anti satellite …
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On Thursday, Feb. 22, 2024 the Intuitive Machines’ Odysseus lunar lander captures a wide field of view image of Schomberger crater on the Moon approximately 125 miles (200 km) uprange from the intended landing site, at approximately about 6 miles (10 km) altitude. Credit: Intuitive Machines via AP A private …
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Artist’s impression of possible hycean world K2-18 b. Credit: NASA, ESA, CSA, Joseph Olmsted (STScI) Astronomers have been on the hunt for a new kind of exoplanet in recent years—one especially suited for habitability. They’re called Hycean worlds, and they’re characterized by vast liquid water oceans and thick hydrogen-rich atmospheres. …
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The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the universe. You can sign up for Lost in Space-Time for free here. “Science is written in the …
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A 3-pulsar navigation system for an ET civilization. Credit: Ross Davis (2022) The conditions for life throughout the universe are so plentiful that it seems reasonable to presume there must be extra-terrestrial civilizations in the galaxy. But if that’s true, where are they? The Search for Extra-terrestrial Intelligence (SETI) program …
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All objects exert a gravitational pull, no matter how small Karl Dolenc/BeholdingEye/Getty Images A device that can measure the gravitational force on a particle that weighs less than a grain of pollen could help us understand how gravity works in the quantum world. Despite keeping you stuck to the ground, …
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Image of a coronal mass ejection being discharged from the sun. Credit: NASA/Goddard Space Flight Center/Solar Dynamics Observatory Universe Today has investigated the importance of studying impact craters, planetary surfaces, exoplanets, and astrobiology, and what these disciplines can teach both researchers and the public about finding life beyond Earth. Here, …
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