epub |eng | | Author:John Wilkinson

Daily drawings of sunspot groups can be used to monitor their evolution (change in shape and appearance) as they move across the Sun’s disc. Remember a single spot is also ...

epub |eng | | Author:David A. J. Seargent

Other “Plutos” and Their Siblings Returning to Kuiper belt objects in general, several groups or families of these have been distinguished according to their orbital characteristics; principally how they relate ...

epub |eng | | Author:Sujan Sengupta

Difficult to Detect Extra-Solar Planets Directly Since the discovery of 51 Pegasi b, a large number of planets and planetary systems outside the solar system have been discovered within a ...

epub |eng | 2011-11-19 | Author:Tessa Watt

* * * Mindfulness of sounds is a simple practice which can be done anywhere. You can use this practice to bring your awareness into the present moment, and to ...

epub |eng | | Author:John Dvorak

The role of gases in volcanic eruptions was self-evident to anyone who has seen an eruption. Lava froths furiously and fountains during eruptions, causing huge plumes of gas to rise ...

epub |eng | | Author:Sergei R. Grinevetsky, Igor S. Zonn, Sergei S. Zhiltsov, Aleksey N. Kosarev & Andrey G. Kostianoy

“Knorr” the US (Woods Hole Oceanographic Institution) research vessel that in May-June 1988 conducted explorations in B.S. Equipped with the modern precision measuring instruments they managed to unveil the interaction ...

epub |eng | | Author:Paul Murdin

Fig. 6.35 Sand dunes, ripples, ice and dust-devils . At the top and bottom of this image are small ripples of sand on Mars, their south-facing slopes highlighted with frost. ...

epub, mobi |eng | 2003-06-25 | Author:Martin Redfern [Redfern, Martin]

Drilling the seas From 1968 the ocean floor was sampled directly and scientifically by the US-led Deep Sea Drilling Program using a drilling vessel named the Glomar Challenger. This was ...

epub |eng | 2015-09-14 | Author:Lisa Randall [Randall, Lisa]

STRIKING PAYDIRT: REDISCOVERING THE CRATER Nonetheless, researchers at the time knew that even with all the evidence discovered in the 1980s and the increased understanding of the implications that a ...

epub |eng | 2011-01-03 | Author:Wood, Bernard

Time chart of “possible” early hominin species. Orrorin The second oldest potential primitive hominin species is Orrorin tugenensis, the name given to fossils found in sediments in the Tugen Hills ...

epub |eng | 2010-07-03 | Author:Unknown [Unknown]

"Nothing happened until about two o'clock. No. 9764 was restless as Carragher had said, but toward midnight he quieted down and apparently went to sleep. I was sleepy myself, and ...

epub |eng | 2010-07-03 | Author:Unknown [Unknown]

Into Space By Sterner St. Paul What was the extraordinary connection between Dr. Livermore's sudden disappearance and the coming of a new satellite to the Earth? Many of my readers ...

epub, azw3, mobi |eng | 2006-02-13 | Author:Kathy Sawyer

Running throughout the activities was an obvious awareness of a political dilemma: how to demonstrate political commitment to tackling the big, fundamental questions when there was little hope of prying ...

mobi |eng | 2008-05-31 | Author:Mike Oard

Figure 5.11. Sugarloaf Mountain, the tallest of several inselbergs and a little right of center, situated in the Rio De Janeiro harbor, Brazil. It is 1,300 feet (396 m) high. ...

mobi |eng | 2004-09-30 | Author:Michael Oard

Figure 11.6 This is an example of how uniformitarian beliefs can get us into a lot of trouble. As we already know, ice ages are not easy to develop. Although ...