astronomy

astronomyChina Far Side Lunar Rover Has Found Lunar Mantle Material on the Surface

China’s Chang’E-4 lunar far-side lander recently touched down in the Von Kármán crater to explore the floor of the huge SPA basin and deployed its rover, Yutu-2. They have found the presence of low-calcium (ortho)pyroxene and olivine on the moons …

asteroidsNear Earth Asteroid Detection

As of April 2019, 20 022 near earth asteroids have been found. We are finding them at a rate of 150 new discoveries every month and this number is set to rapidly increase. Above- ESA’s Flyeye telescope is now being …

astronomyCarnival of Space 610

1. Universe Today -Here’s the Video of Hayabusa2 Bombing Asteroid Ryugu 2. Universe Today – InSight Just Detected its First “Marsquake” 3. Universe Today – As Expected, the Newly Upgraded LIGO is Finding a Black Hole Merger Every Week. Upgrades …

astronomyCarnival of Space 609

The Carnival of Space 609 is up at Universe Today. Universe Today – Methane-Filled Lakes on Titan are “Surprisingly Deep”. During Cassini’s final flyby of Titan, it aimed its radar at some of the moon’s liquid lakes. The data shows …

astronomyNASA TESS Discovers Earth Sized Exoplanet

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size exoplanet. The exoplanet, HD 21749c, is about 89% Earth’s diameter.

astronomyCarnival of Space 607

The Carnival of Space 607 is up at Urban Astronomer. Universe Today – Hayabusa2 Fires an Anti-Tank Warhead at Asteroid Ryugu. The spacecraft had to break up the surface material by shooting it with “bullets” – 5 gram impactors made …

astronomyUpgraded LIGO Detecting Candidate Gravity Waves Once a Week

LIGO and Virgo are publicly announcing candidate gravitational wave triggers with a high likelihood of astrophysical origin within minutes of the waves arriving in the three detectors (LIGO Hanford, LIGO Livingston, and Virgo). There are two candidate gravity wave detections …

astronomyUnderstanding Giant Radio Telescope Arrays

There is no fundamental restrictions to increasing the baseline length of radio telescope arrays. A global array with baseline lengths up to 10 000 km gives an angular resolution of 4 mas @ 21cm and less than 0.1 mas @ …