NWO

Is The Moon ONLY 70 Miles Wide?

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from MrThriveAndSurvive:

Is The Moon ONLY 70 Miles Wide?

VIDEO:

What is the moon’s size?
How big is the moon?
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RELATED:

The moon is only 70 miles across According to NASA Figures

2 Comments

  1. Luc Leonforte

    August 6, 2017 at 5:11 am

    Someone stop this bloke and get him checked in. No idea.!!!!

  2. zza

    August 6, 2017 at 2:54 pm

    The picture at the 11:13 minute mark is incorrect as the disk of the Sun and the disk of the Moon have the same apparent size from the point of view of someone standing on the surface of the Earth.

    The Earth’s elliptical orbital distance from the sun varies from 91 million miles (146 million km) at perigee and about 94.5 million miles (152 million km) at aphelion.

    Similarly, the Moon’s elliptical orbital distance from the Earth varies from 356,500 km (221,500 mi) at the perigee to 406,700 km (252,700 mi) at apogee,

    Also keep in mind, the total eclipse at any point on the depicted path (18:17 minute mark), of the eclipse, will last at most 3 minutes.

    The Earth’s equatorial radius is 6378 km or 3963 mi.

    The Moon’s equatorial radius is 1738 km or 1080 mi.

    To find the length of shadows of planets or moons in space (where these bodies block out the sun’s light), we need to know the radius of the sun, the radius of the moon or planet and the distance between the sun and the planet or moon. The length of the shadow in space can be found by using the equation of a straight line, often stated as Y = Slope*X + Intercept (value of Y for X = 0).

    The moon’s average shadow length is 227,000 miles, somewhat smaller than our moon’s average distance of 239,000 miles. So during a typical solar eclipse, the moon’s shadow doesn’t quite reach to the Earth’s surface; earth observers underneath the shadow would see the moon only covering up the central part of the sun (an annular or ring-like eclipse).

    When the moon’s distance to our Earth’s surface is closer than its shadow length, we can have a total solar eclipse lasting typically several minutes. The next good solar eclipse in North America will be on August 21, 2017.

    So if the disk of the Moon covers the disk of the Sun for approx. 3 minutes at total eclipse, the Moon’s disk is approx. 180 arc seconds in length during that period.

    An arcsecond, also called a second of an arc, is a unit of measurement that amounts to one sixtieth of an arcminute. Simply put, it is equal to 1/3600 degrees of an arc. The symbol used to mark an arcsecond is the double quote. As an example, 1 arcsecond is written as 1”. The term arcsecond is also abbreviated to arcsec, but this term is often confused with the arc secant, which is a trigonometric function that bears the same abbreviation.

    This unit of measurement is extremely useful in astronomy where the apparent size of a celestial object is usually gauged by means of angular measurements. These angles are most of the time so small that they can only be denoted using arcminutes or arcseconds.

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