Comet Swan and its 11 million mile long tail will be visible in the night sky from tonight and you may be able to see it with the naked eye, astronomers say.
Category: space – Page 265
NASA’s JunoCam captured green lightning near Jupiter’s north pole. See the spectacular image and learn why lighting on the Gas Giant is green.
Debris field found — the crew perished in a catastrophic implosion. What are the lessons to be learned from this? How does this apply to future space, stratospheric, and oceanic tourism?
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A new photonic quantum computer takes just 36 microseconds to perform a task that would take a conventional supercomputer more than 9,000 years to complete. The new device, named Borealis, is the first quantum computer from a startup to display such “quantum advantage” over regular computers. Borealis is also the first machine capable of quantum advantage to be made available to the public over the cloud.
Quantum computers can theoretically achieve a quantum advantage that enables them to find the answers to problems no classical computers could ever solve. The more components known as qubits that a quantum computer has, the greater its computational power can grow, in an exponential fashion.
Many companies, including giants such as Google, IBM, and Amazon as well as startups such as IonQ, rely on qubits based on superconducting circuits or trapped ions. One drawback with these approaches is that they both demand temperatures colder than those found in deep space, because heat can disrupt the qubits. The expensive, bulky cryogenic systems required to hold qubits at such frigid temperatures can also make it a major challenge to scale these platforms up to high numbers of qubits—or to smaller and more portable form factors.
On this day 52 years ago, Neil Armstrong and Buzz Aldrin walked on the Moon. Here’s what they said about “The Overview Effect” and how it transforms the way you think forever.
Have you heard of the overview effect? It’s an interesting phenomenon that, for the time being, is exclusively reserved for astronauts. It refers to the overwhelming feeling astronauts get when witnessing for the first time the Earth from space.
It was first experienced by Yuri Gagarin in April 1961 when he became the first human to orbit the Earth. The event led him to marvel at Earth’s beauty, saying, “People of the world, let us safeguard and enhance this beauty, and not destroy it.”
Eight years later, Neil Armstrong, Buzz Aldrin, and Michael Collins, all astronauts walking on the Moon, also reported feeling a profound and stunning sense of clarity when first witnessing the Earth from so far.
Michael Collins described his experience, saying “The thing that really surprised me was that it [Earth] projected an air of fragility. And why, I don’t know to this day. I had a feeling it’s tiny, it’s shiny, it’s beautiful, it’s home, and it’s fragile.”
You can imagine that this overview effect is important because it results in a tremendous desire to protect the Earth. But that’s not the only reason. In our video, we explain why the overview effect is so important and how the term was first coined.
Just yesterday, an unstable sunspot named AR3335 exploded, producing a solar flare that triggered blackouts over the Atlantic Ocean. The resulting solar flare was M2.5 in intensity and caused a shortwave radio blackout. Solar activity has been on the rise for the past few months, and it is expected to increase further until solar maximum, the period of greatest solar activity during the Sun’s 11-year cycle.
Solar flare risk
According to a report by spaceweather.com, NASA’s Solar Dynamics Observatory (SDO) forecasters have observed multiple streams of solar winds hurtling towards Earth from a coronal hole on the Sun’s surface, and these could reach Earth tomorrow, June 21. Moreover, a CME is also expected to deliver a glancing blow on June 22. Both these events have the potential to trigger a G1-class Geomagnetic storm. It could also result in solstice auroras at high latitudes.
Lot’s of science news, stay till the end for the climate stuff.
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Today we’ll talk about plants that use quantum mechanics, the first data from a new galaxy survey, quantum utility, online hate groups, photonic computing, the most sensitive power measurement ever, how to map a tunnel with muons, bad climate news that I don’t want to talk about, and you don’t want to hear, but that we need to talk about anyway. And of course, the telephone will ring.
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00:00 Intro.
This quickly turned out to be a record-setter. It was dubbed the Brightest Of All Time, or the “Boat,” as convenient shorthand among astronomers studying and observing the event. Not only did the Boat start out bright, it refused to fade away like other bursts.
We still do not fully know why the burst was so exceptionally bright, but our new study, published in Science Advances, provides an answer for its stubborn persistence.
The burst originated from a distance of 2.4 billion light years—relatively nearby for a GRB. But even when accounting for relative distance, the energy of the event and the radiation produced by its aftermath were off the charts. It is decidedly not normal for a cosmically distant event to deposit about a gigawatt of power into the Earth’s upper atmosphere.
Warning of the catastrophic collapse of a neutron star could come in the form of potentially detectable radio bursts in the 10–20 gigahertz range.
NASA will partner with SpaceX to make Starship space stations. This is part of NASA partnering with seven U.S. companies to make advanced space capabilities. SpaceX is collaborating with NASA on an integrated low Earth orbit architecture to provide a growing portfolio of technology with near-term Dragon evolution and concurrent Starship development. This architecture includes Starship as a transportation and in-space low-Earth orbit destination element supported by Super Heavy, Dragon, and Starlink, and constituent capabilities including crew and cargo transportation, communications, and operational and ground support.
Making Giant Space Stations Using SpaceX Starships
Each Starship has more than the volume of the International Space Station. They are also similar in size to the external fuel tank of the old Space Shuttle. There were many space station proposals based upon the external fuel tank of the Space Station. It will be easier to build with SpaceX Starships. The steel construction the SpaceX Starship makes them easy to weld, cut and modify. The SpaceX Starships will start being able to support astronauts.