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Q: Is the best way to determine an asteroid's density by radar mapping spectroscopic imaging or comparing its reflectivity to the amount of light it reflects?
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What has the author Hugo Christiaan Hamaker written?

Hugo Christiaan Hamaker has written: 'Reflectivity and emissivity of tungsten, with a description of a new method to determine the total reflectivity of any surface in a simple and accurate way ..' -- subject(s): Reflection (Optics), Tungsten

What graph would you use to determine something?

Any graph can be used to determine something!

How do you determine the greatest slope?

By determining the individual slopes, and comparing.

What is an method of comparing traits in related species to determine ancestor-descendant relationships?


How do you figure out the weight of a rock?

You could weigh it. You can also determine its density by comparing it to an equal volume of water, but first you would have to determine how much water it displaces to determine its volume.

How do judges determine whether behavior violates a law?

By comparing the behavior to the current statutes for the area.

Which method will best help you determine whether or not a secondary source's conclusion is valid?

Answer this question… Comparing the conclusion with several other sources

What is the difference between base reflectivity and composite reflectivity in terms of weather radar?

From NOAA website: ReflectivityThis is a display of echo intensity (reflectivity) measured in dBZ (decibels of Z, where Z represents the energy reflected back to the radar). "Reflectivity" is the amount of transmitted power returned to the radar receiver. Base Reflectivity images are available at several different elevation angles (tilts) of the antenna and are used to detect precipitation, evaluate storm structure, locate atmospheric boundaries and determine hail potential.The base reflectivity image currently available on this website is from the lowest "tilt" angle (0.5°). This means the radar's antenna is tilted 0.5° above the horizon.The maximum range of the "short range" (S Rng) base reflectivity product is 124 nm (about 143 miles) from the radar location. This view will not display echoes that are more distant than 124 nm, even though precipitation may be occurring at greater distances. To determine if precipitation is occurring at greater distances, select the "long range" (L Rng) view (out to 248 nm/286 mi), select an adjacent radar, or link to the National Reflectivity Mosaic.Composite ReflectivityThis display is of maximum echo intensity (reflectivity) from any elevation angle at every range from the radar. This product is used to reveal the highest reflectivity in all echoes. When compared with Base Reflectivity, the Composite Reflectivity can reveal important storm structure features and intensity trends of storms.The maximum range of the "long range" (L Rng) composite reflectivity product is 248 nm (about 286 miles) from the radar location. The "blocky" appearance of this product is due to its lower spatial resolution on a 2.2 * 2.2 nm grid. It has one-fourth the resolution of the Base Reflectivity and one-half the resolution of the Precipitation products.Although the Composite Reflectivity product is able to display maximum echo intensities 248 nm from the radar, the beam of the radar at this distance is at a very high altitude in the atmosphere. Thus, only the most intense convective storms and tropical systems will be detected at the longer distances.Because of this fact, special care must be taken interpreting this product. While the radar image may not indicate precipitation it's quite possible that the radar beam is overshooting precipitation at lower levels, especially at greater distances. To determine if precipitation is occurring at greater distances link to an adjacent radar or link to the National Reflectivity Mosaic.For a higher resolution (1.1 * 1.1 nm grid) composite reflectivity image, select the short range (S Rng) view. The image is less "blocky" as compared to the long range image. However, the maximum range is reduced to 124 nm (about 143 miles) from the radar location.

Which factors determine the rate at which solar energy is received by a given area of the Earths land surface?

The factors include, Reflectivity of the area, Topography, Climate, Cloud cover, Vegetation, and Latitude.

How many asteroids is there in space?

There is no way to determine an exact number for just in our Solar System, let alone all of space. The number keeps changing as they collide with each other either breaking off smaller asteroids or fusing together forming larger asteroids, or collide with planets or the sun and are destroyed. We can't see them around other stars, but there are inevitably some.

How do you use breeding behavior to determine evolutionary relationships?

by comparing them with each other to see wich ones have common ancestors

Does radiant energy produce heat energy when it strikes matter?

To the extent to which the energy is absorbed, yes. Reflectivity and color determine how much energy is absorbed, but no matter can reflect 100% of the energy striking it. Some will be absorbed by the molecules.