Constellations - Study guides, Class notes & Summaries

If there are about 6000 stars in the entire sky that can be seen by the unaided human eye, about how many stars would be seen at a particular instant on a given dark night from a single location with an uninterrupted distant horizon? - ANSWER 3000 Are the constellations seasonal? - ANSWER Yes. On a summer night many of the constellations you can see are different from the constellations you can see on a winter night. But there are some constellations you can see all year long. In modern a...

You learned about the general concept of parallax in Chapter 2, and the video offers a review of the basic ideas. To check your understanding of the concept, which of the following is a valid way of demonstrating parallax for yourself? a. Get a camera, and photograph a person who is running back and forth. b. Hold up your hand in front of your face, and move it slowly back and forth. c. Hold up your hand in front of your face, and alternately close your left and right eyes. d. Look up ...

Why do we see the Moon appear to go through phases as seen from Earth? A. The Moon reflects "Earthshine", so it depends on how much light from the Earth is hitting the Moon B. As the Moon rotates, it presents a different phase to us over the course of its "day". C. Depending on where the Moon is along its orbit, we see different amounts of its illuminated side D. The Earth's shadow blocks out part of the Moon from time to time - C. Depending on where the Moon is along its orbit, we see...

A fatherless, 11-year-old African American girl lives with her grandmother after the death of her mother. Her older stepbrother is very involved in her life. How should the community health nurse view this family constellation, and why? A. Abnormal; the grandmother should be concerned with issues other than childrearing. B. Abnormal; a two-parent household is the most advantageous arrangement for parenting. C. Normal; cultural variations exist in the family life cycle. D. Normal; because o...

LUOA Earth Science Module 9 Questions and Answers Graded A+ Newton discovered that the gravity of a planet _________________ as the planet approaches the sun causing the planet to move ____________ around the sun in that part of its orbit. increased, faster Newton discovered that if two planetary objects moved twice as far from each other ______________________. their gravity reduced by 1/4th Explain Kepler's 2nd law of planetary motion, also known as the Law of Areas. Kepler's 2nd law of p...

ASTRO 207 Midterm 1 Exam - Questions with Verified Answers The amount of time between successive passes of any given star across the meridian is: A) 365.25 days B) 12 years C) 23 hours, 56 minutes D) 26,000 years E) 24 hours When someone on Earth observes the Moon in the first-quarter phase, someone on the Moon facing Earth observes Earth in the: A) new Earth phase B) crescent Earth phase C) third-quarter Earth phase D) full Earth phase E) first-quarter Earth phase What is a circumpolar star? ...

Astronomical Unit correct answers Earth's average distance from the sun, equal to 1.5 x 10^8 km Solar system correct answers consists of the sun, its family of planets, some smaller bodies, such as, moons and comets planets correct answers small, spherical, non-luminous bodies that orbit a star and shine by reflected light star correct answers a self-luminous ball of hot gas that generates its own energy light year (ly) correct answers the distance that light travels in one year, ap...

If there are about 6000 stars in the entire sky that can be seen by the unaided human eye, about how many stars would be seen at a particular instant on a given dark night from a single location with an uninterrupted distant horizon? - ANSWER 3000 Are the constellations seasonal? - ANSWER Yes. On a summer night many of the constellations you can see are different from the constellations you can see on a winter night. But there are some constellations you can see all year long. In modern a...

Which of the following is the smallest? a) 1 AU b) Size of a typical planet c) 1 light-month d) Size of a typical star - b) Size of a typical planet How are galaxies important to our existence? a) Without galaxies, the universe could not be expanding b) Without galaxies, there could not have been a big bang c) Galaxies provide the gravity that prevents us from falling off Earth d) Galaxies prevent planets from leaving their orbits around stars; e.g., our galaxy prevents Earth from lea...

Air Force PDG Question and answers already passed 2023/2024Who serves as principal advisor on Reserve matters to the SecAF and Chief of staff, Air Force (CSAF)? - correct answer The Chief of Air Force Reserve Global ____ Operates multiple satellite constellations and takes offensive actions in, from and through cyberspace. - correct answer Vigilance What is designated as the highest enlisted position in the US Armed Forces? - correct answer SEAC Who serves as a spokesperson to leaders a...