Travelers In The Night

Travelers In The Night

By Albert D. Grauer

A real "Science Snack" for anyone who is interested in the extraterrestrial.
Dr. Al Grauer is a member of the Catalina Sky Survey which has led the world in near Earth asteroid discoveries for 17 o... more

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Best of Travelers In The Night

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  1. Number 1: 164E-176-Weird Life

    Our everyday world is in the thin web of life that surrounds our planet. We see living organisms made possible by solar energy, water, air, and nutrients from the Earth. Maybe all living creatures are not in an environment similar to ours. When looking for life in other places in the Universe we can take some clues from living systems in extreme environments on our own planet.

    3min
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  2. Number 2: 675-Nuking An Asteroid(447)

    Tonight, even though the chances are extremely slim, an asteroid hunter could find a sizable asteroid on a collision course with planet Earth. If we have decades warning, the potential impactor's arrival time could be changed by impacting the dangerous object with a high velocity mass or if we have less time we will need to nuke it which will either blow it to bits or give it a rocket like push.

    3min
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  3. Number 3: 163E-175-One 4 Ukraine

    Currently the majority of the Earth Approaching objects are found by my team, the Catalina Sky Survey or the Pan STARRs group in Hawaii. Both employ large telescopes, very expensive electronic cameras, and high powered computer systems. However, an expert observer with a small 12 inch telescope and an electronic detector can still make interesting discoveries.

    3min
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  4. Number 4: 674-Asteroid Homestead(446)

    In the future one can envision a space mining family boarding a descendent of the SpaceX Falcon Heavy Launch Vehicle for a trip into low Earth orbit. A few hundred miles above the Earth's surface they would rendezvous with their asteroid mining spacecraft which will be their home for the next five years or so.

    3min
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  5. Number 5: 162E-174-Fascinating Europa

    You can spot Europa with almost any small telescope as a moving point of light orbiting the planet Jupiter just like Galileo Galilei did 400 years ago. Of the 4 moons which you will see Europa is the one second closest to Jupiter.

    3min
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