For decades, scientists have been trying to work out just how the Earth got all its water, and the prevailing theory was that comets and asteroids brought it, and we have evidence for that mechanic; however, a new hypothesis has provided evidence that the water was already here, locked away in hydrous minerals in a very iron-poor core.
Today Travelers in the night discussed about monitoring temperature at a different location in the observatory can help telescope detect asteroid that threats to Earth.
Today @cosmicsavannah discuss about ATLAS and its discovery of near-Earth object (NEO) with Dr. Nicolas Erasmus from SAAO.
Imagine a spacecraft traveling at a speed that would take it from New York to Tokyo in less than a minute, a mere 4 million miles from the surface of our Sun. This is what Parker Solar Probe doing. More at #365DaysoFastro
Today ESVN discuss about mass extinction, volcanoes, star formation, galaxy dissolution, and space mission synchronized observing. Also a closer look at dark energy and dark matter and giant galaxies in the early universe.
A huge Earth approaching asteroid is discovered right before the 2018 monsoon rains settled into the American Southwest and as Earth and Mars moved closer together, a dust storm engulfed most of the red planet making it impossible to see its surface features.
Asteroid hunters have discovered a strange asteroid pair. How they came to be together and what humans would do if such a large double trouble object is heading for us? Also about life form outside Earth in Milky Way.
Greg Leonard discovered large asteroid more than 1 KM in diameter in the constellation of Perseus and a story about Bostwana fragment.
Today’s Travelers in the Night talk about an unknown fuzzy object with a broad tail moving through the constellation of Pisces. Also about Comet C/2018 M1 (Catalina).
A 100 foot diameter asteroid spotted between the orbits of Venus and Earth also a 2000 foot diameter space rock has stories to tell about violent events long ago