25 Which model below best represents the relative sizes of celestial objects from largest to smallest? Earth Sun Solar system Universe A Universe Solar system Sun Earth B Earth Solar system Sun Universe C Universe Sun Solar system Earth D

Q: When was universe was created

A: Big Bang theory: This give the information about how universe began. According to Big Bang theory "…

Q: Some thing that is 50 km away has an angular size of five arc seconds how tall is the object write…

A: Angular size, θ = 5 second of arc Distance, r = 50 km = 50×103 m Consider height is h.   First…

Q: Closest stars to earth

A: https://www.researchgate.net/publication/337000501_Case_Study_of_an_Interstellar_Mission_to_Luhman_1…

Q: Explain why astrology is a pseudoscience rather than a true science

A: Astrology is founded on understanding the position of the stars, which seems like a scientific…

Q: What is the densest substance in the universe?

A: Osmium is the densest thing in the universe.

Q: Scientific models are often built in stages or layers, starting with a single idea. Which idea…

A: The Big Bang is a cosmological model of the observable universe that describes how the cosmos…

Q: An astronomical unit (AU) is defined as the average distance between the solar system and…

A: In the given problem we have to defined an astronomical unit AU.

Q: Astronomers have measured the age of the Universe to be about 14 billion years. Explain how this age…

A: Astronomers estimated that the age of universe is about 12 to 14 billion years. There are two…

Q: Masses of stars and galaxies are usually expressed in terms of   A) neutron mass B) earth's mass C)…

A: The solar mass is the standard unit of mass in astronomy, equal to approximately 2×1030 kg.

Q: 5 terms listed below, You must include the term, a description of the term in your own words (to…

A: Everything that exist is universe. Given five terms can be described as below

Q: given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years)…

A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…

Q: If you place your index just in front of you and try to look at it with you right eye open and your…

A: Cosmic distance ladder-Used for measuring distances to celestial objects.  Luminosity-Intensity…

Q: Put these components from largest to smallest 1. comet 2. star 3. galaxy  4. nebula 5. planet…

A: Celestial bodies: All the objects like stars, planets, and comets floating across the vast space are…

Q: ccording to modern science, the age of the universe is about         a. 6,000 years   b.  14…

A: Question asked : Age of the universe, according to the modern science

Q: Use the circumference and speed to figure out how long the Sun takes to go once around the Galaxy…

A: Given, distance from the sun to the centre of the milky way galaxy, r = 8000 parsecs = 8000 pc So,…

Q: Can you please do 5,6,7,8,9

A:

Q: Increasing wavelength

A: 21-Gamma rays 22- X-rays 23- Ultraviolet rays 24- Infrared rays 25- Radio waves

Q: Which celestial object contains more mass? O Star O Galaxy O Nebula O Comet

A: Now, using the Kepler's planetary laws, we can write: Mass of star = Around 0.08-150 solar masses…

Q: Describe the purpose of the formula below. Then create a question about the universe that can be…

A: Given :        z = ∆λλ = vcQuestions to answer :  a) Describe the purpose of the formula.  b) Create…

Q: Destination Time Light Would Travel Distance in Toilet Paper Mars 2.7 x 10 light-years 1 sheet of…

A: distance to TRAPIST 39.5 light years distance to proxima centauri 4 light years

Q: Which of these astronomical objects is the largest? O a star O a spiral galaxy O a planet O a solar…

A: The size of an astronomical object is as below in increasing order. Planet< Star< Solar…

Q: Put these in order from smallest to largest Universe Galaxy Solar system Distance between earth and…

A: Here we arrange these things on the bases of their size in increasing order.

Q: Which of the following lists in order from smallest to largest? O universe --> solar system -->…

A:

Q: The universe has existed for 14 billion years. When the history of the universe is collapsed down…

A: Given :- The universe has existed for 14 billion years. When the history of the universe is…

Q: The circumference of the earth is about 25000 miles. Light could travel this distance along a…

A: Circumference of earth (d) = 25000 miles   Using conversion factor :   1 mile = 1609.34 m…

Q: 9. I found this meme online. Its goal is to undermine the picture of the Universe proposed by modern…

A: Here are the factors that can affect in this scenario: Earth's Rotation - The Earth rotates around…

Q: Another way of explaining a word is to enumerate the different parts of which it is made: “X…

A: The Solar system consists of our star, i.e. the Sun, and planets and heavenly bodies which are…

Q: Astronomy: The best current evidence is that the rate of expansion of the universe over time is, a.…

A: This question is from astronomy and astrophysics.

Q: The center of our galaxy lies in the direction of the constellation of   a. Ursa Minor.   b. Ursa…

A: Milky Way: M.W galaxy holds our solar system. Our galaxy falls into a category of barred spiral.…

Q: 4 2.

A:

Q: Compare the values of the number of grains of sand in all earth’s beaches with the number of stars…

A:

Q: 2. The diameter of our Milky Way is roughly - 105 ly(light-year). Planet X at the edge of our Milky…

A:

Q: Cosmology is the branch of science concerned with the ____________ a) Formation of Planets b)…

A: C

Q: The famous debate where one person argued that faint objects were part of our system and the other…

A: The famous debate also called as the Shapley-Curtis debate.  This debate was held on 26th April…