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415-Well Done
A three football field sized asteroid survives on a harrowing path around our Sun.
8 years, 5 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.
8 years, 5 months 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…
8 years, 6 months ago
412-Tiny Space Rock
A tiny space rock narrowly missed the Earth.
8 years, 6 months 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 t…
8 years, 6 months 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 abso…
8 years, 6 months ago
409-Alien Rock?
A rock from another solar system is likely to have streaked by Earth before heading back into interstellar space.
8 years, 6 months 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 Eart…
8 years, 6 months 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 psychologica…
8 years, 6 months 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 sp…
8 years, 6 months ago