Although the Arecibo radio telescope is no more, it continues to deliver scientific discoveries. There is a wealth of Arecibo data astronomers continue to mine for new discoveries, and one of them is thanks to an astronomical technique known as planetary radar.
Under the full Moon, NASA’s Space Launch System (SLS) rocket rolled out to the launchpad for the first time. The journey began at the iconic Vehicle Assembly Building at Kennedy Space Center, with the gigantic stack of the mega rocket arriving at Launch Pad 39B in preparation for a series of final checkouts before its Artemis I test flight.
The path back to the moon is long and fraught with danger, both in the real, physical sense and also in the contractual, legal sense. NASA, the agency sponsoring the largest government-backed lunar program, Artemis, has already been feeling the pain on the contractual end. Legal battles have delayed the development of a critical component of the Artemis program – the Human Landing System (HLS). But now, the ball has started rolling again, and a NASA manager recently reported the progress and future vision of this vital part of the mission to the Institute of Electrical and Electronics Engineers at a conference.
In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll only be visible in the southern hemisphere after today’s topic: the Magellanic Clouds!
Why is there so much antimatter in the Universe? Ordinary matter is far more plentiful than antimatter, but scientists keep detecting more and more antimatter in the form of positrons. More positrons reach Earth than standard models predict. Where do they come from?
Oh, hello there new neighbor! In February, the Gaia spacecraft took a picture of its new closest companion in space at the second Lagrangian point, the James Webb Space Telescope.
In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll feel a little dense after reading about today’s topic: neutron stars!
Engineers and scientists for the James Webb Space Telescope have completed two more steps in the telescope’s primary mirror alignment process, and in a briefing today, officials said JWST’s optical performance appears to be better than even the most optimistic predictions.
Nothing can escape a black hole. General relativity is very clear on this point. Cross a black hole’s event horizon, and you are forever lost to the universe. Except that’s not entirely true. It’s true according to Einstein’s theory, but general relativity is a classical model. It doesn’t take into account the quantum aspects of nature. For that, you’d need a quantum theory of gravity, which we don’t have. But we do have some ideas about some of the effects of quantum gravity, and one of the most interesting is Hawking radiation.
As Russia wages its terrible war against its neighbour Ukraine, the deteriorating situation inside Russia is leading many Russians to flee the collapsing economy. According to Russian journalist Kamil Galeev, Roscosmos Director Dmitry Rogozin is prohibiting Roscosmos employees from leaving the increasingly isolated nation.
In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll feel like a brand new person after today’s topic: nova!
If humanity is ever going to find life on another planet in the solar system, it’s probably best to know where to look. Plenty of scientists have spent many, many hours pondering precisely that question, and plenty have come up with justifications for backing a particular place in the solar system as the most likely to hold the potential for harboring life as we know it. Thanks to a team led by Dimitra Atri of NYU Abu Dhabi, we now have a methodology by which to rank them.
The next step to understanding exoplanets is to understand their atmospheres better. Astronomers can determine a planet’s mass, density, and other physical characteristics fairly routinely. But characterizing their atmospheres is more complicated.
One way to inspire kids to get interested in STEM is to introduce them to it at an early age. Lego is one of the best gateways to that interest, and the company has been busy churning out space-themed toys for most of its existence. Now another entry has joined that long, distinguished line of interlocking brick system designs – the Rocket Launch Center, #60351.
Last week, a small asteroid was detected just two hours before it impacted Earth’s atmosphere. Luckily, it was only about 3 meters (10 feet) wide, and the space rock, now known as 2022 EB5 likely burned up in Earth’s atmosphere near Iceland at 21:22 UTC on March 11.
Russia’s invasion of Ukraine has led to an outpouring of support and material aid from the international community. For his part, Elon Musk obliged Ukrainian Vice Prime Minister Mykhailo Fedorov‘s request for assistance by sending free Starlink terminals to Ukraine. For some besieged communities, like the city of Mariupol, this service constitutes the only means of getting up-to-date information, communicating with family members, or sharing their stories from the front lines of the war.
Astronomers have watched the young binary star system SVS 13 for decades. Astronomers don’t know much about how planets form around proto-binary stars like SVS 13, and the earliest stages are especially mysterious. A new study based on three decades of research reveals three potentially planet-forming disks around the binary star.
In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll start drifting away from your friends after reading today’s today: open clusters!
If dark matter is out there, and it certainly seems to be, then what could it possibly be? That is perhaps the biggest mystery of dark matter. The only known particles that match the requirement of having mass and not interacting strongly with light are neutrinos. But neutrinos have low mass and zip through the cosmos at nearly the speed of light. They are a form of “hot” dark matter, so they don’t match the observed data that require dark matter to be “cold.” With neutrinos ruled out, cosmologists look toward various hypothetical particles we haven’t discovered, and perhaps the most popular of these are known as axions.
Sometimes in space, even when you’re millions of kilometers from anything, you’re still being watched. Or at least that’s the case for the Parker Solar Probe, which completed the 11th perihelion of its 24 perihelion journey on February 25th. While the probe was speeding past the Sun, it was being watched by over 40 space and ground-based telescopes.
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