Dark matter drive-by may have disrupted closest star cluster to Earth

Astronomers have discovered the aftermath of a cosmic hit-and-run in our own galactic neighborhood. While studying the closest star cluster to the Sun, ESA scientists realized that it may have been disrupted by a huge lump of invisible mass, possibly d… Continue reading Dark matter drive-by may have disrupted closest star cluster to Earth

ESA’s Pathfinder mission to test sat-nav coverage in lunar orbit

ESA plans to use its upcoming Lunar Pathfinder mission to experiment with expanding sat-nav coverage to the Moon. By tuning in to the radio signals leaking from the Galileo and GPS satellite constellations, the goal is to provide more precise and accur… Continue reading ESA’s Pathfinder mission to test sat-nav coverage in lunar orbit

Satellite fires up iodine-fueled ion thruster for the first time

In a development that could help slow the proliferation of space junk, the orbit of a communications satellite has for the first time been altered using solid iodine as a propellant. The Beihangkonshi-1 smallsat made the maneuver earlier this month usi… Continue reading Satellite fires up iodine-fueled ion thruster for the first time

Giant iceberg A-68a shatters into three as it approaches South Georgia

The giant iceberg A-68A that is threatening the island of South Georgia in the South Atlantic has split into three pieces and is thinning by one inch (2.5 cm) per day. The US National Ice Center has confirmed that on December 21, 2020, two smaller iceb… Continue reading Giant iceberg A-68a shatters into three as it approaches South Georgia

New Gaia data reveals the motion of our galaxy in extravagant detail

ESA has made public a colossal data release from the agency’s Gaia observatory, which is currently engaged in a mission to survey 1 billion stars orbiting in the Milky Way. The data has already borne fruit, shedding light on the violent history of our … Continue reading New Gaia data reveals the motion of our galaxy in extravagant detail

Crossed Wires Crash Rockets

On November 17th, a Vega rocket lifted off from French Guiana with its payload of two Earth observation satellites. The booster, coincidentally the 17th Vega to fly, performed perfectly: the solid-propellant rocket engines that make up its first three stages burned in succession. But soon after the fourth stage of …read more

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