Neutrons were discovered in 1932, more than 10 years after the existence of isotopes was confirmed. What property of electrons and protons led to their discovery? Suggest a possible reason why neutrons were the last of the three classic subatomic particles to be discovered.…
Astronomy HOMEWORK Chapter 1 9th ed 5. In Figure 1-8, what is another name for the “Sun’s annual path?” Ecliptic. This term also refers to the mathematical plane of Earth’s orbit. 10. By about how many degrees does the Sun move along the ecliptic each day? The Sun moves 360 degrees in 365.25 days along the ecliptic, so Degrees per day = (360◦ )/365.25 days = 0.986◦ = 1◦ . Round to 1 degree since the question says “about how many...” 14. What are the vernal and autumnal equinoxes? What are the summer and winter solstices? How are these four events related to the ecliptic and the celestial equator? The equinoxes are the points on the celestial sphere where the ecliptic and celestial equator intersect. The vernal equinox is the point where the sun crosses the celestial equator northbound.…
Elements form by fusion of lighter elements and heavier elements into heavier elements. They release energy. Elements with mulitples of 4 nucleons are most abundant because they combine helium.…
Nucleolus is a small dense small dense spherical structure in the nucleus of a cell during interphase.…
Black holes form when any object reaches a certain critical density and its gravity causes it to collapse to an almost infinitely. Gravity in a black hole makes it so nothing can escape not even light. That's why its black and is considered a black hole. The gravity from a black hole is so strong that it actually attracts things in space.…
If you heat hydrogen to 10 million degrees, it creates energy that stars use to shine. When hydrogen is heated to 10 million degrees, a process called nuclear fusion takes place. It creates a new, heavier element called helium. Some of the matter in this reaction is covered to pure energy which bursts out in all direction. In this process, a new star is created. The first star was a 1000 times bigger than our own sun and it gave off deep blue color. The first elements were created in these stars. If we were to cut open a star, we would see that helium sinks to the center and hydrogen stays near the surface of the star. As Helium reacts with one another, it creates a new, even heavier element called Carbon. The process is very repetitive, causing the star to be layered like an onion. Now, even more elements were created, such as Neon, Oxygen, and Iron. The iron sinks to the center of the star. Iron cannot create another element, therefore the fusion stops. Eventually, the star stops producing the energy and collapses. As the core is compressed, the temperature of the star rises. It eventually explodes and creates what is called a Supernova. The shockwave that comes from the supernova is so powerful, that is forces the iron to form even heavier elements such as gold, platinum, and lead. This eventually leads to more and more elements being formed. It creates everything we see around us. Stars created…
Every star has a life cycle just like a human or a frog except stars do it on a much larger scale. Stars start life as a massive cloud of matter and then get pulled together to create a star. But stars do not last forever most stars last for millions of years but they still end. When a stars life ends it may explode or implode to create a black hole.…
Out of the major galaxies, the Andromeda Galaxy is located nearest to our Milky Way. The Andromeda Galaxy is two million light years away from us, but it can be seen with the naked eye because it is very bright. In this galaxy there are over a hundred billion stars. It is known to be the brightest galaxy. The Andromeda Galaxy is a spiral galaxy and is part of the Local Group. It has a large star cluster in its heart and a very large hidden black hole deep in the core. The middle is very bright and around it are spirals with many colors. It has a round disk of stars that rotate around the middle and two main spiral arms made of stars. In the spirals many new blue stars appear.…
Matter also exists in many different forms and has its own characteristics. It is also made up of elements.…
They are formed by the impact of chunks of interplanetary matter (meteorites) striking the surface.…
Variable stars are important in astronomy because they provide information on the properties of the stars. Variable stars vary in brightness over time and have periods ranging from a couple hours to hundreds of days. Moreover, pulsating stars are variable stars and have two types of pulsating stars, such as RR Lyrae and Cepheid. Additionally, the simulators in this lab gives individuals a visual model of how variable stars are determined and measured. Therefore, the simulators will give individuals a full understanding of the variable stars.…
New Horizons is a NASA New Frontiers mission managed by the Johns Hopkins University Applied Physics Laboratory. Launched on January 19, 2006, the New Horizons spacecraft is due to pass Jupiter on February 28, 2007, en route to photographing and examining Pluto and other objects in the Kuiper Belt. Currently traveling at over 51,000 miles per hour, New Horizons was the fastest spacecraft ever launched. Yet, it will require eight more years to reach planet Pluto, which will…
1. The earth’s sun is a star, it generates heat and light through nuclear fusion.…
Uranus is the 7th planet from the sun.Uranus was first named by astronomer William Herschel.Uranus is about 50,800 km in diameter and 2,800,000,000 km from the sun. some people call Uranus “The lying planet”.Uranus has 11 rings 23 moons and the atmosphere is mostly made of helium and methane gas crystals that's why Uranus in is a light green/blue. The core of Uranus is an ice and iron mix.3 of the 23 moons are Puck,Titania and Miranda. The rings of Uranus are made of little rocks and ice chunks. The orbit period on Uranus is 84 Earth years. Uranus is know to hit the coldest temperature of all 8 planets -224 degrees celsius.(-371.2degrees fahrenheit). The mass of Uranus is…
The life cycle of a star starts of with a nebula. Nebula's are made up of gas and dust, which slowly collects into a spinning cloud. This compresses to form a protostar, which is the birth place of a star. Next we have fusion ignition, the gases inside a protostar condense and eventually the heat and pressure causes the gases to ignite and this creates a star. We then move onto the main sequence, these are averaged sized stars in their youth. After a star has burned for awhile and has reached middle-age, medium-sized stars become red giants and large stars become red super-giants. Finally, there is the last stage in a star's life cycle, becoming a dwarf star or a black hole. Red giants will become dwarf stars and red super-giants become black-holes,…