and craters b.that the Sun has imperfections known as sunspots c.that four small points of light orbit the planet Jupiter d.the invention of the telescope e.that Venus shows a complete cycle of phases Which one of these statements describes why the planet Venus is much warmer than Earth? a.Venus has a denser and deeper atmosphere. b.It is closer to the Sun than Earth. c.It experienced a 'runaway greenhouse effect' long ago. d.It produces more carbon dioxide than is absorbed by the surface. e.all of the mentioned statements

Q: Gravitational lensing can be used to detect which component of the Universe?   a. Dark Matter.…

A: Answer: (A) Dark Matter

Q: What is a light year? unit of time. unit of length 1 year on earth speed of light

A: A light year is the distance covered by the light beam in one year.

Q: The focus location that would be most inconvenient for a very large telescope is the   a. Newtonian…

A: Telescope is a type of optical instrument which is use to observe the distant objects and their…

Q: If a luminous object were moved to one-half the original distance, it would appear   a. one-half as…

A: The final distance is half of the initial distance. df=di2

Q: 13) Draw a diagram and explain near and far sightedness

A: Nearsightedness is a common vision problem in which the person can see nearby objects clearly, but…

Q: 2. What is the frequency of the light wave that has a following wavelengths?  100nm

A: The equation for the frequency of light is given as

Q: if you are standing still and a meter pass you going 75% the speed of light what do you measure?  A.…

A:

Q: The smallest detail visible through Earth-based telescopes is about 1 arcsec in diameter. What…

A: 4. Small angle formula can be expressed as angulardiameter206265=lineardiameterdistance

Q: Describe the formation of shadows. How does the size of a shadow change with the distance between…

A: The formation of shadows is a fascinating interplay between light and objects. When light hits a…

Q: Simone knows that there are more hours of daylight during the summer season. Which of the following…

A:

Q: Telescope, with a much larger mirror for collecting visable light c. Search for rapidlt changing…

A: The Chandra Observatory is also called as Advanced X-ray Astrophysics Facility.

Q: Suppose a Moon takes 15.8 days to orbit its host planet. Convert this orbital period into Earth…

A:

Q: How many minutes does it take for sunlight to travel to the earth? The

A: Given, The distance between the sun and earth, d=93 million miles The speed of light, v=186000 mile…

Q: 10. What is the approximate speed of light (EM radiation)? a. 1 billion feet per second b. 1…

A: The speed of light is about 300000000 m/s or 3×108 m/s.

Q: The scientific and philosophical world were in awe of Newton's law of gravity (and related laws of…

A: Newton's law of gravity: According to Newton’s law of gravitation any two objects in the universe…

Q: 4. Write the standard form. a) speed of light in a vacuum = 298 G8³ km/s b) One year light year = 16…

A: In standard form, a number is written in form of a×10n, where 1≤ a ≤ 10.

Q: The Sun appears to be yellow when overhead because: 1. The human eye is most sensitive to yellow. 2.…

A: The Sun appears to be yellow when overhead because the temperature of the Sun is 6000 K w2hen it is…

Q: 1. The sun is approximately 1.5x1011m from the Earth. About how long does it take for sunlight to…

A: Distance between sun and earth is given as s = 1.5×1011 mSince sunlight is an Electromagnetic wave…