In May 2022, the Event Horizon Telescope (EHT) team released the first-ever radio image of M87’s central black hole. It was a stunning revelation based on observations made using a worldwide array of radio telescopes. Recently, they re-released a newer, sharper image of the black hole’s “ring of light.”
In its pursuit of scientific research and human spaceflight, NASA engages in partnerships with various universities, laboratories, and academic institutes. In keeping with NASA’s policy of Diversity, Equity, Inclusion, and Accessibility and the Science Mission Directorate’s (SMD) Science Plan, NASA is seeking to expand its partnerships and encourage “a culture of diversity, inclusion, equity, and accessibility.” To this end, NASA created the Minority University Research and Education Project Partnership (MUREP) – administered through its Office of STEM Engagement (OSTEM).
It’s a tale as old as time. A cataclysmic event occurs in the universe and releases a tremendous amount of energy in a short period of time. The event then fades into the darkness and the cosmos returns to normal. These short-lived cosmic events are known as transients and include things such as supernovae and gamma-ray bursts. Transients are quite common, but some of them can challenge explanations. Take for example the transient known as ZTF20abrbeie, nicknamed Scary Barbie.
Gravitational wave astronomy is still in its early stages. So far it has focused on the most energetic and distinct sources of gravitational waves, such as the cataclysmic mergers of black holes and neutron stars. But that will change as our gravitational telescopes improve, and it will allow astronomers to explore the universe in ways previously impossible.
There’s a new solar observing facility taking shape in China. It lies far up on a mountain near Mangya City in the Mongol and Tibetan autonomous prefecture of Qinghai. The telescope is reputed to be the world’s first mid-infrared telescope built for accurate measurements of the solar magnetic field.
The field of astronomy is about to be revolutionized, thanks to the introduction of Extremely Large Telescopes that rely on primary mirrors measuring 30 meters (or more) in diameter, adaptive optics (AO), coronographs, and advanced spectrometers. This will include the eponymously-named Extremely Large Telescope (ELT), the Giant Magellan Telescope (GMT), and the Thirty Meter Telescope (TMT). These telescopes will enable astronomers to study exoplanets using the Direct Imaging (DI) method, which will yield valuable data on the composition of their atmospheres.
Within general relativity, black holes are easy to define. They are objects with an event horizon. This horizon is like a line in the sand, where anything crossing it is forever trapped within the black hole. Quantum theory might allow for energy to escape through Hawking radiation, but classical black holes are a one-way trip.
One of the James Webb Space Telescope’s science goals is to help cosmologists understand how the first galaxies and galaxy clusters formed in the early Universe. New images from the telescope show just that. Astronomers say the seven galaxies shown in this new JWST images are the earliest yet to be spectroscopically confirmed as part of a developing galaxy cluster.
We’ve seen our share of photos of Mars from orbit and the surface, but what about its moons? The United Arab Emirates Hope orbital mission to Mars sent home new beautiful high-resolution images of the Red Planet’s moon Deimos when it flew within 100 km of the moon last month. This is the closest any spacecraft has been to Deimos in almost 50 years.
NASA’s TESS (Transiting Exoplanet Survey Satellite) recently reached its fifth anniversary of service to humanity as it continues to tirelessly scan the heavens for worlds beyond. Dubbed as an all-sky mission, TESS was launched on April 18, 2018, aboard a SpaceX Falcon rocket. During its five years in space, TESS’s four 24 degrees x 24 degrees field-of-view CCD cameras have successfully mapped greater than 93% of the cosmos.
A lunar lander built and operated by ispace, a Japanese startup, descended to the surface of the moon today after a months-long journey — but went out of contact and was presumed lost.
If we want to know what it’ll look like in about 4.5 billion years when our galaxy merges with Andromeda, we might take a look at ARP 220. ARP 220 is a pair of galaxies that are in the process of merging. The merging galaxies emit brilliant infrared light, and the James Webb Space Telescope captured that light in a vivid portrait.
In the hunt for habitable worlds around other stars, planetary atmospheres provide fertile places to look. But, as a group of scientists at the Max-Planck Institute for Solar System Studies in Germany found, maybe astronomers should focus on a star’s metallicity, too. That’s because there seems to be a direct link between their metallicity, how much UV radiation they give off, and the atmospheres of rocky planets orbiting them. It turns out that metal-poor stars provide better conditions for life on their planets than metal-rich ones do.
NASA has a long history of crowdsourcing solutions, seeking input from the public, entrepreneurs, and citizen scientists. Currently, the agency is tasked with preparing for the long-awaited return to the Moon (the Artemis Program) and addressing the growing problem of Climate Change. The former entails all manner of requirements, from launch vehicles and human-rated spacecraft to logistical concerns and payload services. The latter calls for advances in climate science, Earth observation, and high-quality data collection.
The large impact craters dotting our planet are powerful reminders that asteroids and comets strike the Earth from time to time. As often said, it’s not a question of “if”; it’s a matter of “when” our planet will face an impending strike from space. But an impact is one existential threat humanity is finally starting to take seriously and wrap its head around.
The Hakuto-R lunar lander, currently in orbit around the Moon, just captured a beautiful “Earthrise”-like image, and one with an interesting side note. The Mission 1 lander, from the Tokyo-based commercial company ispace, took the image during the time of the April 20 solar eclipse, where totality was visible in Australia; and so the photo includes a perfect view of the shadow of the Moon passing above the Land Down Under.
NASA recently announced the astronauts that will make up the Artemis II crew. This mission will see the four-person crew conduct a circumlunar flight, similar to what the uncrewed Artemis I mission performed, and return to Earth. This mission will pave the way for the long-awaited return to the Moon in 2025, where four astronauts will fly to the Moon, and two (“the first woman and first person of color“) will land on the surface using the Starship HLS. These missions are part of NASA’s plan to establish a program of “sustained lunar exploration and development.”
Our galaxy’s largest nearby companion is the Large Magellanic Cloud (LMC), a dwarf galaxy visible to the naked eye in the Southern Hemisphere. In recent years, new theoretical research and better observational capabilities have taught astronomers a great deal about our (not-so-little) neighbour. It’s becoming increasingly clear that the LMC is helping shape the Milky Way’s evolution.
The head of the Pentagon office that is reviewing reported unidentified anomalous phenomena (UAP – commonly known as UFOs, unidentified flying objects) told the US Congress this week that his office is now reviewing more than 650 incidents, but so far, none exhibited anything that was evidence of extraterrestrial activity or defied the known laws of physics.
The European Space Agency’s (ESA) recently launched Jupiter Icy Moons Explorer (JUICE) mission and NASA’s upcoming Europa Clipper mission could allow scientists to image landslides on the icy moons of Europa and Ganymede due to potential moonquakes on these small worlds. This comes after a recent study examined fault scarps on Europa and Ganymede orbiting Jupiter and Enceladus and Dione orbiting Saturn with the goal of drawing a connection between tectonic activity (quakes) and observed mass wasting (landslides) on these surfaces. The researchers “consider whether such smooth material can be generated by mass wasting triggered from local seismic shaking”, according to the study.
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