The Pandora satellite, once fully operational, will view exoplanet atmospheres and their host stars to learn more about these exotic worlds. In its first year, the satellite will focus on approximately 20 known exoplanets. This NASA video describes the process.
The 716-pound Pandora satellite is much smaller than the 14,300-pound James Webb Space Telescope (JWST). Of course, the JWST has a much larger mission that expands over a much longer time period.
If you are looking for something small, you might be interested in the two CubeSats launched with Pandora. One is called the Star-Planet Activity Research CubeSat (SPARCS), which will study coronal mass ejections on small stars, while the second is named the Black Hole Coded Aperture Telescope (BlackCAT) with the mission of observing X-ray flares from active galaxies with supermassive black holes as well as gamma-ray bursts.
It was a successful Sunday for NASA and space enthusiasts everywhere.
Image (Credit): The first edition of The Earth Observer from March 1989. (NASA)
While most of the press stories have been focused on this week’s closing of a NASA largest research library located at the Goddard Space Flight Center in Maryland, NASA is quietly shutting down a key news source called The Earth Observer. This newsletter was a source of information and data related to the multiple satellites surrounding the Earth and monitoring its health.
It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an orderly shutdown of the publication. No new content will be published after Dec. 31, 2025.
This comes at a time when the White House is drastically cutting the Earth science programs at NASA, somehow assuming that if we don’t know what it happening with our planet then we do not need to worry. NASA is being told to shift its focus to other distant worlds where we will probably never go instead of helping to preserve the only world we have.
Space Dailyreported that we have already witnessing the end of three critical satellites monitoring Earth as a natural product of time – Terra, Aqua, and Aura – but they are not being replaced to keep the monitoring alive.
In the article, Space Daily noted:
Satellite aging was expected. What was not, Earth scientists say, is the policy shift coming from Washington. The FY26 presidential budget request would cut NASA’s Science Mission Directorate by nearly half, with Earth science funding falling from about 2.14 billion dollars to roughly 1.04 billion dollars, a 52 percent reduction. Commentators and advocacy groups describe the proposal as the steepest single year hit to NASA science since the post Apollo drawdown.
Shutting libraries, deleting data, and ending investments in the future will come back to bite us. Many in the world are interested in keeping this world vibrant and alive, and will do so with our without the United States. While cost-cutting can be justified if it done intelligently, the ongoing scientific suicide is something else entirely.
We’ve arranged a global civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.
Rapidly growing satellite constellations have raised strong concerns among the scientific community. Reflections from satellites can be visible to the unaided eye and extremely bright for professional telescopes. These trails already affect astronomical images across the complete electromagnetic spectrum, with a noticeable cost for operations and mitigation efforts. Contrary to popular perception, satellite trails affect not only ground-based observatories but also space observatories such as the Hubble Space Telescope. However, the current number of satellites is only a fraction (less than 3%) of those to be launched in the next decade. Here we show a forecast of the satellite trail contamination levels for a series of international low-Earth-orbit telescopes on the basis of the proposed telecommunication industry constellations. Our results show that if these constellations are completed, one-third of the images of the Hubble Space Telescope will be contaminated, while the SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer), ARRAKIHS (Analysis of Resolved Remnants of Accreted galaxies as a Key Instrument for Halo Surveys) and Xuntian space telescopes will have more than 96% of their exposures affected, with 5.6, 69 and 92 trails per exposure, respectively, with an average surface brightness of μ = 19 ± 2 mag arcsec−2. Our results demonstrate that light contamination is a growing threat for space telescope operations. We propose a series of actions to minimize the impact of satellite constellations, allowing researchers to predict, model and correct unwanted satellite light pollution from science observations.
“Mauve will open a new window on stellar activity that has previously been largely hidden from view…By observing stars in ultraviolet light, wavelengths that can’t be studied from Earth, we’ll gain a much deeper understanding of how stars behave and how their flares may impact the environment of orbiting exoplanets. Traditional ground-based telescopes just can’t capture this information, so a satellite like Mauve is crucial for furthering our knowledge.”
–Statement by Professor Giovanna Tinetti, Chief Scientist and Co-founder of Blue Skies Space, regarding today’s launch of the Mauve cubesat satellite. This satellite contains a 13 cm telescope that will be used to observe hundreds of stars in the ultraviolet and visible wavelengths over a three-year period. Data from this mission will be sold via subscriptions, and used to study the stars and how their activity influences the habitability of distant exoplanets. You can find more information on the mission here.
“Jonathan McDowell, an astronomer at the Harvard–Smithsonian Center for Astrophysics in the US, recorded an average of between one to two Starlink satellites deorbiting each day in 2025. That figure is expected to rise to around five per day as SpaceX continues to grow its space internet constellation.”
-Statement in the UK’s Independent newspaper regarding SpaceX’s Starlink satellites burning up in the Earth’s atmosphere. Given that the satellites are only expected to last 5 years and there are already 8,500 in orbit, this should come as no surprise. Fortunately, the satellites are designed to burn up after their useful life space. Of course, that does not necessarily mean that burning debris and the related pollutants are welcome. It will only get worse once Amazon and China start pumping even more satellites into orbit.
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