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Good evening. i can still not confirm, we are quite confident that the satellite has decayed, has reentered the atmosphere but we still have not got the confirmation when and where exactly, however, we have few indications that point to the satellite is no longer in orbit. now it is clearly an important landmark, but number of satellites launched in the last five years exceeds the number launched in the previous 50, so there is a big job still to be done, isn�*t there, to get on top of this debris problem exactly. we have a large problem, we had already the problem before we started launches...

Mercury is hard to study: It exerts little gravity, orbits very elliptically and travels close to the sun.But scientists turned the hazardous radiation in Mercury’s vicinity to their benefit by equipping an X-ray spectrometer (XRS) – a detector that relied on X-rays – on NASA’s MESSENGER orbiter (Mercury Surface, Space Environment, Geochemistry and Ranging), which circled the

Tempe AZ (SPX) Jul 11, 2023 - The origin of Mercury, the closest planet to the sun, is mysterious in many ways. It has a metallic core, like Earth, but its core makes up a much larger fraction of its volume - 85% compared to 15%

Astronomers are once again ringing alarm bells about rising light pollution destroying pristine night skies. This time, though, their worries extend beyond their core discipline.

Astronomers are once again ringing alarm bells about light pollution destroying pristine night skies. But this time, the worries extend beyond their core discipline.