Today, history was made when the first all-civilian spaceflight launched from Launch Complex 39A at the NASA Kennedy Space Center in Florida. The purpose of this flight was to raise awareness and funds for the St. Jude Children’s Research Hospital and offer inspiration to people all over the world. Operated by SpaceX and sponsored by Jared Isaacman and Shift4Payments, this flight illustrates how accessibility to space is growing by leaps and bounds.
So far we know of only two interstellar objects (ISO) to visit our Solar System. They are ‘Oumuamua and 2I/Borisov. There’s a third possible ISO named CNEOS 2014-01-08, and research suggests there should be many more.
On the evening of Wednesday, September 15th, history will be made as a crew of four commercial astronauts launch to orbit aboard the SpaceX Crew Dragon spacecraft Resilience. This flight will be operated by SpaceX, sponsored by Jared Isaacman (CEO of Shift4Payments) and represents the first all-civilian spaceflight in history. The launch will take place tonight at 08:00 PM EDT (05:00 PM PDT) from NASA’s Kennedy Space Center’s Launch Complex 39A.
In the near future, astronomers will benefit from the presence of next-generation telescopes like the James Webb Space Telescope (JWST) and the Nancy Grace Roman Space Telescope (RST). At the same time, improved data mining and machine learning techniques will also allow astronomers to get more out of existing instruments. In the process, they hope to finally answer some of the most burning questions about the cosmos.
The James Webb Space Telescope has faced a lot of questions during its arduous journey to completion. Some of the questions have been posed by concerned legislators, mindful of the limitations of the public purse as the telescope’s cost ballooned.
Thanks to the most advanced telescopes, astronomers today can see what objects looked like 13 billion years ago, roughly 800 million years after the Big Bang. Unfortunately, they are still unable to pierce the veil of the cosmic Dark Ages, a period that lasted from 370,000 to 1 billion years after the Big Bang, where the Universe was shrowded with light-obscuring neutral hydrogen. Because of this, our telescopes cannot see when the first stars and galaxies formed – ca., 100 to 500 million years after the Big Bang.
During Juno’s extended mission, every orbit is like a new adventure. Each orbit is a little different, and NASA says the natural evolution of Juno’s orbit around the Jupiter provides a wealth of new science opportunities. But for most of us, what we look forward to on every perijove – the point in each orbit where the Juno spacecraft comes closest to the gas giant – are the incredible images taken by the camera on board, JunoCam. As Juno’s “eyes,” the camera provides a unique vantage point no other spacecraft has been able to give us.
In the classical theory of general relativity, black holes are relatively simple objects. They can be described by just three properties: mass, charge, and rotation. But we know that general relativity is an incomplete theory. Quantum mechanics is most apparent in the behavior of tiny objects, but it also plays a role in large objects such as black holes. To describe black holes at a quantum level, we need a theory of quantum gravity. We don’t have a complete theory yet, but what know so far is that quantum mechanics makes black holes more complex, giving them properties such as temperature and perhaps even pressure.
We’d love to find another planet like Earth. Not exactly like Earth; that’s kind of ridiculous and probably a little more science fiction than science. But what if we could find one similar enough to Earth to make us wonder?
According to the Union of Concerned Scientists (UCS), over 4,000 operational satellites are currently in orbit around Earth. According to some estimates, this number is expected to reach as high as 100,000 by the end of this decade, including telecommunication, internet, research, navigation, and Earth Observation satellites. As part of the “commercialization” of Low Earth Orbit (LEO) anticipated in this century, the presence of so many satellites will create new opportunities (as well as hazards).
Gas from the intergalactic medium constantly rains down on galaxies, fueling continued star formation. New research has shown that this gas is not evenly mixed, and stars are not equal across the galaxy. This result means that solar systems are not the same within the Milky Way.
On September 5, 2021, a team of MIT researchers successfully tested a high-temperature superconducting magnet, breaking the world record for the most powerful magnetic field strength ever produced. Reaching 20 Teslas (a measure of field intensity), this magnet could prove to be the key to unlocking nuclear fusion, and providing clean, carbon-free energy to the world.
Astronomy is a bit different from many sciences because you only have a sample size of 1. The cosmos contains everything we can observe, so astronomers can’t study multiple universes to see how our universe ticks. But they can create computer simulations of our universe. By tweaking different aspects of their simulation, astronomers can see how things such as dark matter and dark energy play a role in our universe. Now, if you are willing to spring for a fancy hard drive, you can keep one of these simulations in your pocket.
If two black holes merge in the middle of space, and nobody’s around to see it, does it really happen?
The ALMA telescope is getting a new set of receivers, enabling it to detect wavelengths down to 8.5 mm. These wavelengths are crucial for observations of the transformative epoch of reionization, when the first stars to appear in the universe unleashed a fury of radiation.
A team at Purdue University developed a drag sail to attach to satellites to help them de-orbit to combat space debris. Unfortunately, the rocket carrying the test device, launched by Firefly Aerospace, exploded shortly after launch.
Scientists are fortunate enough to have detailed, close-up views of the near-Earth asteroids Bennu and Ryugu. Both asteroids have a diamond shape, for some reason. Why? Up until now, it’s been a puzzle.
The early solar system was an especially violent place. The terrestrial planets (Mercury, Venus, Earth, and Mars) likely formed by suffering countless collisions between planetesimals. But the material left over from all those collisions should have remained in orbit around the sun, where it would’ve eventually found itself in the asteroid belt. But the belt contains no such record of that process.
Visualizations can inspire creative new ways of thinking about an object. But holding that visualization in your hand adds a whole other level of impact to it. That desire for impact has led Dr. Nia Imara, an astrophysicist and artist at UC Santa Cruz, to create the first-ever 3D printed models of stellar nurseries.
When it landed on Mars in February of 2021, the Perseverance rover joined a small armada of robotic explorers working hard to characterize Mars’ environment and atmosphere and determine if it ever supported life. But unlike its predecessors, one of the key objectives of the rover is to obtain samples of Martian soil and rock, which it will leave in a cache for later retrieval by a joint NASA-ESA mission.
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