There are no plans to mine Psyche, nor technology that would allow us to. Even if we could mine Psyche and bring the materials back to Earth, the asteroid is so far away that the cost of doing so would negate their value, Philip Metzger, a planetary physicist at the University of Centr...
) Not young; advanced far in years or life; having lived till toward the end of the ordinary term of living; as, an old man; an old age; an old horse; an old tree. Old (superl.) Not new or fresh; not recently made or produced; having existed for a long time; as, old wine;...
To understand why silicon acts like it does, you do have to dip into chemistry, if only for a moment. Silicon (Si) is a metalloid, element number 14 on the periodic table. Like carbon, silicon has four bonding sites, but silicon is more than twice as heavy as carbon. The high meltin...
What was the greatest scientific contribution by Copernicus? What does the heliocentric model of the solar system state? What is the ecliptic? What was behind Hale-Bopp? What is the Copernicus crater on the Moon? What is the asteroid belt's period of revolution?
So little of what one is threads itself through the eye of empty space faith,personal Against the Nashville Statement faith,links,medicine,music,personal Links for July 16, 2017 parenting,personal This Too Shall Pass criminal justice,politics ...
1. When the Sun first moves off the main sequence, it will become what type of star? 2. Define the term nucleosynthesis. 3. Describe how the mass of a star plays a role in the lifetime of a star. 4. W How long does it take the sun to convert one earth m...
A supermoon is defined as a full moon that coincides (or very nearly so) with lunar perigee — when the moon arrives at that point in its orbit closest to the Earth. Up until around 2011, this was usually referred to as aperigean full moon.The term supermoon was first coined by an...
Still, we can see how minor the corrections were at first. In his first post with a Community Note, Musk claimed his Tesla Roadster was orbiting Mars; it's actuallyorbiting the sun somewhere out towards the asteroid belt(which is still quite a flex). The other two pre-Twitter Notes conce...
The act of gathering something together Common Curiosities What does selection mean? Selection involves choosing specific items from a group based on certain criteria or needs. 15 Can a selection be part of a collection? Yes, selections are often made from within collections, representing a subset...
The term used is "stratigraphic completeness." Scientists must know how complete the record is in order to find out how long the extinction of dinosaurs took. To use the movie example, it's like trying to find how much time has passed since an event (like a murder) occurred. If all ...