on April 24, 2022
What color is a supergiant star?
Space and AstronomyRed supergiants have the largest radius of all known stars. They have low surface below 4,100 K. This is very cool for a star and makes them to shine with a red colour. The star Betelgeuse in the constellation of Orion is a red supergiant. What is the colour of supergiant stars? The color of
on April 23, 2022
When was Comet invented?
Space and AstronomyIn 1858 English portrait artist William Usherwood took the first photograph of a comet, Comet Donati (C/1858 L1), followed by American astronomer George Bond the next night. The first photographic discovery of a comet was made by American astronomer Edward Barnard in 1892, while he was photographing the Milky Way. Who invented the comet? The
on April 23, 2022
Do you need permission to launch a rocket?
Space and AstronomyAny American citizen who wants to launch a rocket or other kind of spacecraft into orbit must obtain authorization from the FAA, as would any foreigner who launches within U.S. territory. The FAA regulates the commercial sector’s space activities by requiring parties to obtain launch and re-entry licenses. Can I launch my own rocket? Getting
on April 23, 2022
What are the graphs of sine and cosine?
Space and AstronomyCharacteristics of Sine and Cosine Functions The domain of each function is ( − ∞ , ∞ ) and the range is. [ − 1 , 1 ] . The graph of y = sin x y = sin x is symmetric about the origin, because it is an odd function. The graph of y
on April 23, 2022
Is the sun or Jupiter closer to Earth?
Space and AstronomySize and Distance From an average distance of 484 million miles (778 million kilometers), Jupiter is 5.2 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth. Which is further from Earth the sun or Jupiter? Considering the average distance that the Earth spends from
on April 23, 2022
What are exoplanets made of?
Space and AstronomyExoplanets are made up of elements similar to that of the planets in our solar system, but their mixes of those elements may differ. Some planets may be dominated by water or ice, while others are dominated by iron or carbon. How are exoplanets formed? Core accretion is the “bottom-up” approach: Large objects form from
on April 23, 2022
How many bit strings of length eight either start with a 1 bit or end with the two bits 00?
Space and Astronomy160Detailed Solution The correct answer is “option 3“. Hence, the number of bit strings of length 8 that will either start with 1 or end with 00 is 160. How many bit strings of length eight either start with a 1 bit or end with the two bits 0 1? Therefore, there are 15 such
on April 23, 2022
What is eclipse of the sun and moon?
Space and AstronomyA solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can only take place at the phase of new moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth’s surface. What is eclipse of
on April 23, 2022
How do you make a parabolic reflector?
Space and AstronomyThe easiest way is to cut and fold a flat sheet into a parabolic dish. Then glue a layer of aluminum foil on its inner surface, for reflectivity. The flat sheet can be as cheap as cardboard. However water resistant material, such as plastic or metal, will last longer. How do you make a parabola
on April 23, 2022
How do you do the circle dip?
Space and AstronomyHow do you use a circle dip? Expert Answer: Dip circle use to measure the dip angle. To use the dip circle: (follow the given image) (i) Adjust the leveling screw till the base is horizontal and V inside the box is vertical. (ii) Rotate the box B till the ends of magnetic needle NS