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Suborbital space tourism finally arrives | FCC prepares to run public C-band auction | The big four in the U.S. launch industry — United Launch Alliance, SpaceX, Blue Origin and Northrop Grumman — hope to be one of two providers that will receive five-year contracts later this year to launch national security payloads starting in 2022. | China’s launch rate stays high | The International Space Station is the largest ever crewed object in space.

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A decade of unveiling the hidden universe:...

March 13, 2023

On March 13th, 2023, astronomers around the world will mark the 10th anniversary of the inauguration of the Atacama Large Millimeter/submillimeter Array (ALMA), the world’s largest radio telescope.

A helicopter is going to Titan. Could...

March 13, 2023

What are the hydrocarbon seas on Titan really like? While the upcoming Dragonfly helicopter mission to Saturn’s hazy and frigid moon should arrive by 2034 to explore Titan’s atmosphere, the need remains for a mission that could study the moon’s mysterious seas and lakes, filled with liquid hydrocarbons.

Femtosecond laser ablation of crystalline perovskites induces...

March 13, 2023

Recently, researchers from the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences published a study in Materials Today Physics that sheds light on the light emitting properties of perovskite materials after being subjected to femtosecond laser processing.

Researchers develop ultraefficient white light laser on...

March 13, 2023

A team of researchers from the University of Twente has made a breakthrough in ultraefficient on-chip supercontinuum generation. The findings, published in the journal Advanced Photonics Research, represent a major step forward in the field of integrated photonics and enable applications in portable medical imaging devices, chemical sensing and LiDAR.

A brief history of the UK's Winchcombe...

March 13, 2023

On February 28, 2021, for the first time in 30 years, a meteorite fell in the U.K. and was later recovered by scientists. Today, there’s an international effort to study this space rock and learn more about its place in the early solar system.

Astronomers just discovered a comet that could...

March 13, 2023

Hot on the heels of the disappointing Green Comet, astronomers have just discovered a new comet with the potential to be next year’s big story—C/2023 A3 (Tsuchinshan-ATLAS).

Scientists measure a debris flow in unprecedented...

March 13, 2023

Debris flows are fast-moving and highly variable mixtures of soil, rock, water, and trees that can wreak havoc on downslope communities. Small debris lags behind larger particles, but it is not clear how this sorting occurs and what that means for the hazards nearby communities might face.

Laser-driven creation of high-energy ions boosts next-gen...

March 13, 2023

A new way to create high-energy ions could speed up their applications in treating cancer and probing the fundamental nature of matter.

Scientists demonstrate time reflection of electromagnetic waves

March 13, 2023

When we look in a mirror, we are used to seeing our faces looking back at us. The reflected images are produced by electromagnetic light waves bouncing off of the mirrored surface, creating the common phenomenon called spatial reflection. Similarly, spatial reflections of sound waves form echoes that carry our words back to us in the same order we spoke them.

Magnetism fosters unusual electronic order in quantum...

March 13, 2023

Physicists were surprised by the 2022 discovery that electrons in magnetic iron-germanium crystals could spontaneously and collectively organize their charges into a pattern featuring a standing wave. Magnetism also arises from the collective self-organization of electron spins into ordered patterns, and those patterns rarely coexist with the patterns that produce the standing wave of electrons physicists call a charge density wave.

Synchronizing Galileo's satellites with an ensemble of...

March 13, 2023

Europe’s Galileo is the world’s most precise satellite navigation system, providing meter-level accuracy and very precise timing to its four billion users. An essential ingredient to ensure this stays the case are the atomic clocks aboard each satellite, delivering pinpoint timekeeping that is maintained to a few billionths of a second. These clocks are called atomic because their “ticks” come from ultra-rapid, ultra-stable oscillation of atoms between different energy states. Sustaining this performance demands, in turn, even more accurate...

Why understanding human evolution on Earth will...

March 13, 2023

Is human migration into space inevitable? Is it based on facts, or is it based upon a belief in human exceptionalism?

Researchers attempt to improve detection of high...

March 13, 2023

Detection of compact faint radio sources of low frequency and total sky observation will be a hot topic in the research of the square kilometer radio array (SKA), and the pre-research on data-oriented algorithms is significant.

Can cosmic collisions be predicted before they...

March 13, 2023

On August 17, 2017, about 70 telescopes collectively turned their gaze to a fiery collision between two dead stars that took place millions of light-years away. The telescopes watched the event unfold in a rainbow of wavelengths, from radio waves to visible light to the highest-energy gamma rays. As the pair of ultra-dense neutron stars crashed into each other, they flung debris outward that glowed for days, weeks, and months. Some of the onlooking telescopes spotted gold, platinum, and...

Observations inspect X-ray radiation from Vela X-1

March 13, 2023

Using the Imaging X-ray Polarimetry Explorer (IXPE), an international team of astronomers has conducted X-ray polarimetric observations of an accreting X-ray pulsar known as Vela X-1. Results of the observational campaign, presented March 3 on the arXiv pre-print server, deliver important insights into the properties of X-ray radiation from this pulsar.

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