Does the magnetic field really protect Earth from anything?

Asked by: Jie Molemogi Generated by the motion of molten iron in Earth’s core, the magnetic field protects our planet from cosmic radiation and from the charged particles emitted by our Sun. It also provides the basis for navigation with a compass. Can we survive without Earth’s magnetic field? If the magnetic field was weaker

Is altitude of everything decreasing due to sea level rise?

Asked by: Jie Molemogi Does altitude change with sea level? A hypothetical sphere called the geoid is actually used as a baseline measure for altitude, which won’t change any time soon. It’s not that simple. Although average height of the sea is rising, this does not affect Mean Sea Level (MSL). MSL is a reference

Cloud in a bottle experiment. Why does the “cloud” get thicker with repeated squeezing?

Asked by: Heather Morris What happens to the cloud as you squeeze the bottle? When we squeezed the bottle, the cloud disappeared because of high pressure and compressional warming with the molecules close together in the bottle. The smoke from the match we dropped in was crucial because it provided condensation nuclei on which the

Muscovite with pleochroic halos?

Asked by: Heather Morris Is Muscovite a pleochroic? Color/Pleochroism Colorless or shades of light green, red, or brown in hand sample; colorless in thin section. No pleochroism. What causes Pleochroic halos? pleochroic halo, ring of colour produced around a radioactive impurity included in a mineral by alpha particles emitted from the radioactive elements in the

Effects of currents on peak wave frequency

Asked by: Stacy Bergmann Do currents affect waves? As the surface currents affect the spectral wave energy, the bottom friction will also experience change. Bottom friction will increase with increasing wave energy e.g. in the case of an opposite current. What affects ocean wave frequency? The frequency of ocean waves depends on the wind speed,

Can someone help me identify this cloud formation?

Asked by: Stacy Bergmann How do you identify cloud formations? How to Identify Cloud Types Stratus clouds are uniform grayish clouds that often cover the sky. Usually no precipitation falls from stratus clouds, but they may drizzle. … Cirrus clouds are thin, wispy clouds blown by high winds into long streamers. … Cumulus clouds are

Why does volcanic dust pose such a hazard to air travel?

Asked by: Nicole Phillips How do volcanic eruptions affect air travel? Volcanic eruptions and air travel Airplanes can’t fly through volcanic ash. Ash particles can seize engines, and reduce visibility to dangerous levels. If a volcano erupts, or is expected to erupt, airlines will avoid the area. What are the flight hazards caused by volcanic

How does the existence of a Greenhouse Gas Effect (GHE) in the atmosphere affect the tropospheric lapse rate?

Asked by: Nicole Phillips How does the atmospheric lapse rate affect greenhouse warming? A stronger lapse rate (the rate of decrease of temperature with altitude) gives rise to a stronger greenhouse effect and a warmer surface, all else being equal. If the lapse rate changes systematically with the surface temperature, then a potentially strong lapse

Is there any consensus of what caused the Lusi Mud Volcano eruptions in Indonesia?

Asked by: Catfish Rogers What caused the Sidoarjo mud volcano? It is the biggest mud volcano in the world; responsibility for it was credited to the blowout of a natural gas well drilled by PT Lapindo Brantas, although company officials contend it was caused by a very distant earthquake that occurred in a different province.

What is the highest balloons possible in a chain?

Asked by: Catfish Rogers How high can the highest balloon go? Typically though many balloons can reach between 90,000 feet (27,432 meters) and 125,000 feet (38,100 meters). Many balloons have gone above 130,000 feet, however around 130,000 to 137,000 is usually the theoretical maximum for most latex based balloons. In 2002, a balloon named BU60-1

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