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Under the night sky in California, NASA’s Electrojet Zeeman Imaging Explorer (EZIE) mission was launched aboard a SpaceX Falcon 9 rocket at 11:43 p.m. PDT on March 14 from Vandenberg Space Force Base. Three small satellites, designed to study Earth’s auroral electrojets, were carried into orbit. The deployment of these satellites was confirmed at approximately 2 a.m. PDT on March 15. Over the next ten days, signals will be transmitted to ensure they are functioning properly before commencing their 18-month mission.

Mission Objectives and Scientific Significance

According to the mission details shared by NASA, EZIE’s satellites will operate in a formation known as “pearls-on-a-string,” flying between 260 and 370 miles above Earth. These satellites will map the intense electrical currents that flow through the upper atmosphere in polar regions. These currents, linked to solar storms, influence auroras and Earth’s magnetic field. The study aims to improve understanding of space weather and its effects on technology, including satellite operations and communication systems.

Speaking to NASA, Jared Leisner, Program Executive for EZIE, stated that small-scale missions like EZIE are being prioritised for their scientific value despite their inherent risks. The data collected will contribute to research not only about Earth but also about magnetic interactions on other planets.

Unique Approach to Orbit Control

Instead of traditional propulsion methods, EZIE satellites will utilise atmospheric drag to adjust their positions. As reported by NASA’s Goddard Space Flight Center, Larry Kepko, EZIE’s mission scientist, explained that previous studies have focused on either large or small-scale observations of these currents. EZIE’s approach will provide new insights into their formation and evolution.

Public Engagement and Educational Outreach

To expand public participation, magnetometer kits known as EZIE-Mag are being distributed to students and science enthusiasts. Data collected from these kits will be integrated with EZIE’s space-based measurements to provide a more detailed understanding of Earth’s electrical currents.
The mission is managed by the Explorers Program Office at NASA’s Goddard Space Flight Center and funded by NASA’s Heliophysics Division. The Johns Hopkins Applied Physics Laboratory leads the project, with CubeSats developed by Blue Canyon Technologies and magnetometers built by NASA’s Jet Propulsion Laboratory.

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Europa Clipper Captures Stunning Infrared Image of Mars

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May 17, 2025

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Europa Clipper Captures Stunning Infrared Image of Mars

NASA’s Europa Clipper Spacecraft took a haunting infrared portrait of Mars flyby during its journey to Jupiter’s icy moon Europa on March 1, 2025. The spacecraft used the planet’s gravity to change the speed and orbit for the next phase of its long interplanetary journey, reaching 550 miles above the Martian surface. This encounter allowed the team to test E-THEMIS, an instrument known as a thermal imager which is designed to study the surface of Europa fr potential life signs.

Mars Flyby Serves as Key Instrument Calibration

According to report by NASA , Mars flyby has been used as a critical instrument calibration moment for Europa Clipper. E-THEMIS, at its 18-minute duration, took 1000 greyscale snapshots of infrared, started reaching Earth on May 5. On comparison of this recent dataset with thermal maps from the Mars Odyssey Orbiter for verifying the accuracy of the imager. Since Odessey was observing Mars from 2012, it provided a rich thermal standard to compare.

Infrared Imaging to Detect Geologic Activity on Europa

Phil Christensen investigated the data and made sure the images taken by E-THEMIS match with the Thermal data of Mars mapped twenty years ago. E-THEMIS detects infrared light and enables scientists to map the variation of the temperature across the planetary surface.
When Clipper reaches Europa, the instrument uses this potential to locate the hotspots, connected to the recent geologic activity under the icy crust of Jupiter’s moon. This signals the search for extraterrestrial life.

Tracing Europa’s Subsurface Ocean with Heat Signatures

E-THEMIS imaging is helpful to find the hidden ocean of Europa, which is situated closest to the surface. The ridges and fractures of the icy moon are the result of the oceanic forces. The warm temperature in such areas could signal previous eruptions. Further, it can also lead to areas where the middle surface ocean moves upward.

Future Flyby Mission Plans

For the first time in space, this Mars flyby tested the radar instrument, too. The test went smoothly as per the data, however, scientists are still analysing the results. Another Clipper will do an Earth flyby in 2026, before landing at Jupiter in April 2030 to explore the habitat potential.

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SpaceX Fires Up Starship Upper Stage for Ninth Test Flight in Static Fire Trial

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May 15, 2025

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SpaceX Fires Up Starship Upper Stage for Ninth Test Flight in Static Fire Trial

SpaceX’s next-generation Starship spacecraft has fired up in another test as the company prepares for its ninth flight. Starship conducted a full-duration static fire of its upper stage at the Starbase facility in South Texas on May 12th. The 171-foot-tall (52-metre) vehicle fired all six of its mighty Raptor engines for the full-duration burn, which took about 60 seconds. This marked the third such static fire for this specific ship, which is now undergoing final checks. SpaceX shared video and images of the trial in a post on X the following day.

Starship Nears Ninth Launch as SpaceX Advances Toward Mars-Ready Reusability

As per a Space.com report, the static fire is one of the last key milestones before the vehicle’s upcoming launch, though no date has yet been announced. The booster assigned to Flight 9 has already conducted a static fire test, sparking talk it may only be weeks from flight. Fully stacked, Starship stands 403.5 feet, making it the most powerful rocket system ever assembled. Its super-heavy booster and ship upper stage are intended for full reuse, a requirement for voyages to the moon, Mars, and beyond.

Starship has completed eight test flights to date, two of them in 2025. Though the missions themselves blasted off without a hitch, the ship’s upper stage flubbed both times shortly after arriving in space. During those flights, Super Heavy managed to fly back to Starbase and land with the aid of its giant launch tower’s “chopstick” arms in a dramatic manoeuvre that was one of a kind for SpaceX’s rocket-catching system. But both times the ship exploded less than 10 minutes after launch, a failure that has raised concerns about the stability of that upper stage.

SpaceX Starship, the Mars colonisation spacecraft, has now completed more than one full static fire test run, and it is expected to be a fully reusable spacecraft after the next test flight. Until then, space watchers will have to keep waiting for progress at Starbase. The ninth launch of this giant vehicle is probably not too far off if SpaceX continues to evolve and test at the pace they are going.

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Hikers Stumble Upon 600 Gold Coins in Czech Forest Near Polish Border

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May 15, 2025

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Hikers Stumble Upon 600 Gold Coins in Czech Forest Near Polish Border

Two hikers accidentally discovered a treasure trove in Czech Republic . While taking a stroll in the forests surrounding Zvičina Hill in the Krkonoše Mountains near Poland’s border, they spotted an aluminium can and an iron box protruding slightly above the surface in a stone mound. The containers contained about 600 gold coins and a stunning assortment of gold artifacts. Discovery of this treasure worth more than $340,000 has drawn attention of researchers, arising questions about both the origin of the coins and how did they end up in such a remote location.

Tracing the origin of coins

According to the report by Vojtěch Brádle, a numismatist from the Museum of Eastern Bohemia, the majority of the coins were minted between 1808 and 1915. They originate from the Austria-Hungarian Empire, particularly under the reign of Emperor Franz Joseph I. Some of the coins feature countermarks minted in the Kingdom of Serbs, Croats, and Slovenians after the collapse of the Austro-Hungarian Empire.

The 598 coins cover a broad historical period, containing currency from France, Belgium, the Ottoman Empire, and Russia too. The range of provenances makes it difficult to track how the coins got to where they were, or just why they were stashed away at all. “It is hard to say whether it was Czech, German, or Jewish gold,” said Petr Grulich, director of the Museum of Eastern Bohemia, according to Dailymail.

Theories about the hiding place

There are several theories and speculation about how these coins and artifacts were hidden in such a remote location. One theory suggests that the items were concealed during Nazi Germany’s occupation of Czechoslovakia.

Following the Munich Agreement of 1938, large numbers of Jews and Czechs fled their homes in the annexed Sudetenland to escape persecution. Some historians believe that the treasure was buried during this time in an effort to protect it from the invading Nazi forces.

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