pdf | | | Author:Unknown

epub |eng | 2011-01-24 | Author:Robert Zubrin [Zubrin, Robert]

* * * FOCUS SECTION—A CALENDAR FOR THE PLANET MARS Martian colonists will need a calendar that is tied to physical and seasonal conditions on the Red Planet—using Earth dates ...

epub |eng | 2022-11-24 | Author:Mary-Jane Rubenstein [Rubenstein, Mary-Jane]

No one asked regular human beings what they thought about [satellite constellations]. Nobody went to Indigenous people who have very dark skies and have been using the skies for a ...

pdf |en | | Author: Matthew Shindell

pdf |en | | Author: Matthew Moynihan, Alfred B. Bortz

epub |eng | | Author:Marni Kamis

Today, class, we are going to talk about what we learned from dating all those boys. Each boyfriend teaches us something we need to know about ourselves. And if we ...

epub |eng | 2010-06-09 | Author:Donna Shirley [Shirley, Donna]

Tony Spear, the project manager of Pathfinder, is a ruddy, barrel-chested man who walks the JPL halls with a fist full of pencils to record ideas that occur spontaneously to ...

mobi, epub |eng | 2005-11-14 | Author:Robert A. Heinlein

The next thing tossed down the hole was Fats. Skinny landed on him seconds later. I backed off and held my dagger ready. Skinny ignored me, picked himself up, looked ...

epub |eng | 2020-07-07 | Author:Sarah Stewart Johnson [Stewart Johnson, Sarah]

* * * — THERE WERE MULTIPLE cameras on Phoenix, the smallest able to resolve the surface structure of a grain of sand, and when they flipped on, the vista ...

epub |eng | 2020-07-06 | Author:Sarah Stewart Johnson

* * * — THERE WERE MULTIPLE cameras on Phoenix, the smallest able to resolve the surface structure of a grain of sand, and when they flipped on, the vista ...

epub |eng | | Author:Manfred ”Dutch” von Ehrenfried

Space Technology Research Grants (STRG): The purpose of these grants is to accelerate the development of high risk/high payoff technologies in support of the future space science and exploration needs ...

epub |eng | 2020-03-20 | Author:Christopher J. Olson & CarrieLynn D. Reinhard

Synopsis Impish man-child Pee-wee Herman invites viewers to visit his madcap playhouse where anything can happen. Production History Comedian Paul Reubens created the Pee-wee Herman character in 1978 while a ...

epub |eng | 2019-09-13 | Author:John Andrew Karr

Chapter 11 PS-13 hovered over the expanded section of Mariner Valley. Somewhere in the geologic debris that plummeted for miles before striking older debris along the canyon walls, lay the ...

epub |eng | | Author:Christopher Wanjek

Growing Food on the Moon Next up on the hazard menu, food security. As with most other activities on the Moon, food production will need to be sheltered—that is, growing ...

epub |eng | 2019-12-27 | Author:Daniel Mathews

Bioenergy is also debatable on economic grounds. A biomass plant may pay a little bit for woody biomass, but probably not as much as it costs to deliver it to ...