Choose one of the following topics to discuss. If you post later in the week, check which topic your classmate(s) have chosen and pick a different topic to discuss: 1. Explain how binary star systems are used to find the mass of stars. 2. Discuss how astronomers determined distances to objects within our solar system. […]
Research each of the following four topics and submit your answers in a .docx (Word) or PDF format: Explain why color is a measure of a star’s temperature. What elements are stars mostly made of? How do we know this? What did Annie Cannon contribute to the understanding of stellar spectra? What is the defining […]
Address one of the questions listed below or some other aspect about the Jovian planets that you find interesting in 250 words Why are Uranus and Neptune distinctly blue-green in color, while Jupiter and Saturn are not. Compare the densities of Uranus and Neptune to Jupiter and Saturn? Discuss what this means about the planets. […]
NASA’s Artemis program is “humanity’s return to the Moon”. Discuss the program goals and select a specific aspect of it to address in detail. Your selected topic could be the technology, the crew, the motivation, the timeline, the funding, or another feature you find interesting about the Artemis program. The goal is to have students […]
For many “rocket scientist” is a sign of intelligence and the ability to handle large challenges with excellent precision. By now, you should all know a little bit about rocket science from your readings. For this discussion, explain the basics of how a launch vehicle lifts off from the launch pad and reaches outer space. […]
W4 Forum Post- multiple topics to choose Choose one of the following topics; research it and share the information you find, including the sources : Min 250 words Discuss the solar storm that struck the Earth in 1989, including its effects. Discuss the “Halloween Storms” of 2003, including the effects on space and ground systems. […]
Most people who hear the word spacecraft probably think of star cruisers from Star Wars or the Starship Enterprise from Star Trek. But the spacecraft of today are much smaller and much less “fascinating.” Today’s spacecraft are comprised of two main parts–the payload and the bus. For this discussion, explain the differences between the payload […]
Celestial Sources of Terrestrial Mass Extinctions • The title of the paper is Celestial Sources of Terrestrial Mass Extinctions (See below.) • All Term Papers must be checked for spelling and grammar using a tool such as Microsoft Word Spelling and Grammar Checker. • The paper must be FIVE paragraphs in length. Additional paragraphs will […]
PH112 Lab 2 page Essay Assignment Write a 2 page essay on any astronomy topic of your interest. You can pick something you may have wanted to know about; some ideas are: black holes, dark matter, the Big Bang, the search for life on other planets etc. At the end include the names of the […]
Ch. 15 Study Questions 1. State the first postulate of Special Relativity. 2. How must an object be moving to be describable by Special Relativity?t 3. In General Relativity, gravity is not a force. So, Einstein, what is it? 4. What happens to the passage of time on a clock as the clock moves faster […]
