A galaxy that interacts with another galaxy causing many hot, bright, blue stars to be formed is called   a. a starburst galaxy.   b. a pinwheel galaxy.   c. an elliptical galaxy.   d. a spiral galaxy.   e. a barred spiral galaxy

Q: If you see a star cluster that only has red stars, what does that tell us about its age?

A: Stars are those parts of our universe that are at the center of galaxies. Sun is the center of our s...

Q: Silicon fusion lasts   a. 5 billion years.   b. 2 million years.   c. 10,000 years.  ...

A: Stars are astronomical objects with a luminous spheroid of plasma that is held together by the actio...

Q: An open, transparent cluster of stars containing 10 to 1,000 stars in a region about 25 parsecs in d...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: Please help

A: The temperature of a region is the amount of heat present in that region. It is influenced by variou...

Q: When material expanding away from a star in a binary system reaches the Roche surface,   a. the ...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: Georgia Physiographic Provinces is divided into four distinct regions with differing landforms and g...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: If you replaced our sun with a one-solar-mass black hole, Earth would   a. be sucked into the bl...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: Why do scientists expect galaxies to collide fairly often?   a. Galaxies are large with respect ...

A: Scientists expect galaxies to collide fairly often large with respect to their separation distance. ...

Q: Answer the following answer

A: Hertzsprung Russell diagram or H-R diagram is a plot of star where all stars are placed with respect...

Q: Gamma-ray bursts were first discovered by data from satellites designed to   a. see supernovae. ...

A: Gamma ray burst are energetic explosion which are observed in distant galaxies. They are brightest a...

Q: We started with 80mm of soil in the mason Jar.  In some cases, after seperation of the sand, silt an...

A: Soil is the uppermost layer of the Earth. It comprises various inorganic materials, organic material...

Q: Begin an annual list of climate-related events where you live—for example, dates of first flowering;...

A: Climate is the condition of the weather that prevailed for a longer period over a specific area. Thi...

Q: What human activity would most likely way to subsidence the sinking of the earth surface

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: why all weather occurs in the troposphere ?

A: A planet's atmosphere, like of the Earth's, is made up of different layers of gaseous units. The 4 l...

Q: ESTVE RGENT BON Rift Valley -> Plate Plate Mantle

A: The diagram given is of the formation of a rift valley. These valleys are long and linear and can ex...

Q: How can mountain chains form without continental collision?

A: Mountain Formation refers to the topography that undergoes mountain formation. These processes are a...

Q: What could be causingmore of the El Niño state than the La Niña state?

A: Climate is the long-term average of weather pattern. It is an average of weather pattern of almost 3...

Q: What actions could be taken to reduce rainwater runoff in cities?

A: The earth's system is composed of four subsystems, namely the hydrosphere, lithosphere, atmosphere, ...

Q: Are you in favor of establishing more wilderness areas in the place where you live? Why or why not? ...

A: Wilderness area is a region where natural state of land is preserved and human interference is minim...

Q: If there are thresholds for pollution effects, is it reasonable or wise to depend on environmental p...

A: `After the industrial revolution, the emission of greenhouse gases has increased to an extent. The r...

Q: Gravitational lensing   a. occurs when light passes near a massive object and is deflected by th...

A: Gravitational lensing (GL): It is an effect that causes a change in the direction of the path of lig...

Q: Why weather forecasting important?

A: Let us discuss something about the weather, Weather: The state of the atmosphere like hot or cold, w...

Q: What is the greenhouse effect? *       a. Certain gases in the atmosphere trap heat...

A: The atmosphere on and around the earth is made up of a variety of gases that are present in specific...

Q: Label the microscope

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: Q.No.2: How can we measure production related benefits of reducing pollution or environmental improv...

A: Environmental improvements means are those that leads to modification or the addition of -property t...

Q: The mass of a single galaxy might be found by   a. the double galaxy method.   b. the rotati...

A: The double galaxy method can't determine the mass of a single galaxy. The mass of a single galaxy ca...

Q: What is the wave height of a typical tsunami away from land? Are tsunami dangerous in the open sea?

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: please answer question 2

A: The Earth system is composed of four subsystems, namely lithosphere, biosphere, hydrosphere, and atm...

Q: The event horizon   a. is believed to be a singularity.   b. is a crystalline layer.   c....

A: Event horizon is a boundary which marks the limit to which or beyond which an event cannot affect. I...

Q: Why do mountains have roots?

A: The Earth's interior is divided into four layers- crust, mantle, outer core, and inner core. The den...

Q: Based on the galaxies found in the Local Group of galaxies, the most common type of galaxy in the un...

A: Based on the galaxies found in the Local Group of galaxies, the most common type of galaxy in the un...

Q: Eventually, white dwarfs are theorized to turn into   a. brown dwarfs.   b. black dwarfs. ...

A: Dwarf stars are groups of stars created from nebulae of dust, H and He that differ in mass, luster a...

Q: The figure below shows a map of the Bouguer gravity anomaly measured over a well known massive sulph...

A: Bouguer Anomaly is basically a gravity anomaly that has been adjusted for the height at which it lit...

Q: Describe how William Herschel first mapped the Milky Way Galaxy.

A: The Milky-Way is a spiral galaxy that consists of our solar-system and forms a haze band of light-se...

Q: The rotation curve of a galaxy can be used to determine   a. the relative number of hot young st...

A: The rotation curve of a galaxy can't be used to determine the relative number of hot young stars in ...

Q: A star will experience a helium flash if   a. it is more massive than about 6 solar masses.  ...

A: A helium flash is an extremely short warm rampant atomic combination of huge amounts of helium into ...

Q: Gamma-ray bursts are thought to be caused by   a. a young neutron star spinning down.   b. m...

A: Gamma-ray bursts are the extremely energetic explosion that are caused by hypernova explosion.   

Q: Enlist the consequences and main drivers of soil erosion?

A: Soil is the uppermost layer of Earth, which is a mixture of minerals, organic matter, gas, water, et...

Q: Explain the process our sun will go through when it dies.

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: A planetary nebula has a radius of 0.5 pc and is expanding at 20 km/sec. What is the approximate age...

A: A star is an extra-terrestrial astronomical body that radiates its own energy due to the nuclear rea...

Q: The distance to a galaxy is 50 Mpc and it has a recession velocity of 3,500 km/sec. What is the calc...

A:  The distance to a galaxy, d = 50 Mpc The recession velocity, v = 3,500 Km/sec Hubble constant, H0 =...

Q: The diagram below shows the Earth, Sun, and Moon system. S U Y G H

A: Tides are irregular waves that arise in the oceans as a result of the moon’s and sun's gravitational...

Q: Distinguish among reliable science, unreliable science, and tentative science. What are four limitat...

A: Science is referred to the study of anything present in our Universe. Scientific study includes the ...

Q: Summarize chapter 13 (Ozone &climate change)

A: Ozone (O3) is a profoundly responsive gas made out of three oxygen molecules. It is both a character...

Q: Starburst galaxies   a. contain a large number of very young stars, but very little evidence of ...

A: Starburst galaxies do not contain a large number of very young stars. Starburst galaxies do not cont...

Q: Why is the southern tip of South Africa such a dangerous place for rogue waves?

A: Waves are formed by energy passing through water. They are generated by the wind blowing over the se...

Q: Why does our relatively small Moon have a greater tidal effect on Earth than the gigantic Sun?

A: Tides are long-period waves that move through ocean and water bodies. They occur due to the gravitat...

Q: What is environmental care and what methods or programs can we perform to that promotes environmenta...

A: Environment- Environment is defined as the ambiance of an organism. Anything that surrounds an organ...

Q: True or false    For Ocean thermal energy conversion, the temperature difference between warm and co...

A: Ocean Thermal Energy Conversion (OTEC) is a technology that deals with marine renewable energy. Elec...

Q: what is the relationship between air pressure and altitude?

A: Planet Earth has a blanket of air, covering the whole planet. We call this the Atmosphere. It may se...