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415-Well Done
A three football field sized asteroid survives on a harrowing path around our Sun.
Published on 7 years, 11 months ago
414-Enormous Visitor
The impact of a 1,200 foot diameter asteroid would produce devastating earth quakes and wind blasts over many square miles on the Earth's surface.
Published on 8 years ago
413-Fission Rocket
To cut the mission time to Mars, the risks, and the mass of supplies required for such a prolonged space mission NASA is looking at alternative means of rocket propulsion.
Published on 8 years ago
412-Tiny Space Rock
A tiny space rock narrowly missed the Earth.
Published on 8 years ago
411-200 Plus
My team the Catalina Sky Survey set a new single month record by discovering 211 Earth approaching objects in October of 2017. Fortunately none of them are on a collision course with planet Earth, h…
Published on 8 years ago
410-Extraterrestrial Whales
Perhaps the reason that we have not detected alien civilizations on distant worlds is because they exist in oceans covered by miles of radiation absorbing ice and rocks.
Published on 8 years ago
409-Alien Rock?
A rock from another solar system is likely to have streaked by Earth before heading back into interstellar space.
Published on 8 years ago
408-Earth's Pet Rock
On it's gravitational leash, Earth's pet space rock, 2016 HO3, accompanies us at a distance of between 38 and 100 times the Moon's distance from Earth as we both travel about the Sun.
Published on 8 years ago
407-Plant Companionship
The plants that Mars explorers take with them will provide a source of fresh fruits and vegetables , fresh air to breathe, and perhaps a psychological benefit that is crucial to the success of their …
Published on 8 years ago
406-Close Ones
In less than 24 hours, while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona , I discovered two 25 foot diameter space rocks that theoretically can pass less than a …
Published on 8 years, 1 month ago