Hubble Spots Young Cluster in Large Magellanic Cloud
NASA released an image snapped by the NASA/ESA Hubble Space Telescope of the open star cluster NGC 1755.
NGC 1755 is located approximately 160,000 light-years away in the southern constellation of Dorado.
This stellar cluster resides in the Large Magellanic Cloud, a satellite of our Milky Way Galaxy.
NGC 1755 is about 120 light-years across and is approximately 80 million years old.
Juno Records 'Sounds' of Jupiter's Moon Ganymede
The magnetosphere of Ganymede, the Jupiter's largest moon, is a source of electric and magnetic radio emissions, which have been monitored by the Waves instrument onboard NASA's Juno spacecraft.
The 50-second audio track was generated from data collected during Juno's close flyby of Ganymede in June 2021.
At the time of Juno's closest approach to the moon — during the mission's 34th trip around Jupiter — the spacecraft was within 1,038 km (645 miles) of the moon's surface and traveling at a relative velocity of 67,000 kph (41,600 mph).
Juno's Waves instrument, which tunes in to electric and magnetic radio waves, collected the data on those emissions. Their frequency — which range from 10 to 50 kHz — was then shifted into the lower audio range.
Dec 20, 2021
ISRO Signs Six Agreements with Four Countries for Launching Foreign Satellites
The Indian Space Research Organisation (ISRO) signed six agreements with four countries for launching foreign satellites during 2021-2023. About 132 million Euros would be earned through the launching of these foreign satellites on a commercial basis. ISRO has launched a total of 342 satellites from 34 countries since 1999.
ISRO through its commercial arm, New Space India Limited (NSIL), has been launching satellites which belong to other countries from Polar Satellite Launch Vehicle (PSLV). Total 124 indigenous satellites have been put into Earth's orbit including 12 student satellites.
SpaceX Launches 52 Starlink Satellites
SpaceX successfully lifted off of 52 Starlink communication satellites into the Earth orbit.
Earlier the US space company launched its Falcon 9 rocket from Vandenberg Space Force Base in California. Later, its first stage successfully landed on the Of Course I Still Love You droneship.
Dec 18, 2021
ESA's Trace Gas Orbiter Finds Water in Martian Canyon System
Planetary researchers using the Fine Resolution Epithermal Neutron Detector (FREND) instrument onboard European Space Agency's (ESA's) Trace Gas Orbiter (TGO) have found evidence for very high content of hydrogen in the soil — the mean water equivalent hydrogen value as large as 40.3 wt% — in Candor Chaos, central part of Valles Marineris.
TGO can look down to one meter below this dusty layer and see what's really going on below Mars' surface, and locate water-rich 'oases' that couldn't be detected with previous instruments.
Dec 16, 2021
NASA's Perseverance Mars Rover Finds its 'Baseline' Rocks
NASA's Mars rover Perseverance identified what are probably the oldest rocks at its crater landing site.
They are volcanic in origin, perhaps the product of some ancient lava flow.
It's an important milestone for the mission because it means that when samples of these rocks are returned to Earth next decade, they can be dated.
This will tighten our understanding of the history of not only the touch-down location but of Mars generally and the wider Solar System beyond.
Dec 15, 2021
NASA's Spacecraft Parker Solar Probe Enters Sun's Corona, First Time in History
For the first time in history, a spacecraft has touched the Sun. NASA's Parker Solar Probe flew through the Sun's upper atmosphere – the corona – and sampled particles and magnetic fields there.
The new milestone marks one major step for Parker Solar Probe and one giant leap for solar science. Just as landing on the Moon allowed scientists to understand how it was formed, touching the very stuff the Sun is made of will help scientists uncover critical information about our closest star and its influence on the solar system.
Flying so close to the Sun, Parker Solar Probe now senses conditions in the magnetically dominated layer of the solar atmosphere – the corona – that we never could before.
Parker Solar Probe launched in 2018 to explore the mysteries of the Sun by traveling closer to it than any spacecraft before. Three years after launch and decades after first conception, Parker has finally arrived.
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