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Astrophysics

Astrophysics is the scientific discipline concerned with the events that are taking place on the grandest of stages; the universe. Questions about the formation and evolution of the planets, solar systems, stars, and galaxies found within the universe, as well as questions regarding black holes, cosmic rays, particle and nuclear astrophysics, nucleosynthesis, and magnetohydrodynamics should be directed here.

1,304 Questions

Could you survive being sucked into a black hole?

you probably woudn't survive, and i don't think an animal can swallow you whole unless it was a ENORMOUS snake that swallows humans whole.

Actually! if you were to be eaten alive, and yes there are some animals that will eat you alive most of the time, you could live in the stomach for a short time, and you would either die by, A) the digestive juices in the stomach of the animal digesting you, or B) you would pass out from lack of oxygen, suffocate, and THEN be digested.

How do you roll in lost planet 2?

for x-box hold (L thumb stick) and tap (A) whilst moving in the direction you want to roll, rolling simultaneously will keep you at the same speed as running, professionals always roll and never run, for PS3 hold (L thumb stick) and tap (X) i hope this has answered you question and revealed helpful hints.

What are the two parts of our solar system?

The two main parts of our solar system are the inner solar system, which includes the Sun, Mercury, Venus, Earth, and Mars, and the outer solar system, which includes Jupiter, Saturn, Uranus, Neptune, and various dwarf planets like Pluto. The inner solar system is closer to the Sun, while the outer solar system is farther away.

How are stars similar?

Stars are similar in that they are massive celestial bodies that generate light and heat through nuclear fusion in their cores. They are also similar in that they exist in various sizes and colors, and follow a life cycle that includes formation, main sequence phase, and eventual death. Additionally, stars are distributed throughout galaxies and play a key role in shaping the universe's structure and evolution.

How does the sun hold celestial bodies in the solar system?

The sun holds celestial bodies in the solar system through its gravitational pull. This gravitational force keeps planets, moons, asteroids, and other objects in orbit around the sun. The balance between the sun's gravity and the forward motion of the celestial bodies keeps them moving in stable orbits.

Source of energy in solar system?

The primary source of energy in our solar system is the Sun. It generates heat and light through nuclear fusion, which impacts all the other celestial bodies in the system. Other sources of energy within the solar system, such as geothermal energy on certain planets or moons, are secondary to the Sun's influence.

What would the interstellar word for oxygen be?

The interplanetary, interstellar, and even intergalactic word for oxygen would still be "oxygen".

What is interstellar matter made of?

The interstellar medium is an extremely sparse (tenuous) mix of gas and dust, some of the gas being ionized, some atomic, and some molecular. By composition the gas is largely hydrogen, with smaller amounts of helium and very small amounts of heavier elements. There are also cosmic rays which are protons and nuclei which have been accelerated to near-relativistic speeds.

In cooler, high-density areas, the interstellar medium can become as dense as one ten-billionth that of air.

Which way do the plants in the solar system rotate around the sun?

All planets in our solar system revolve (or orbit) around the Sun in an anticlockwise direction - the same direction that Earth spins (daily rotation) as seen by an observer looking down from above Earth's north pole.

Since known plants in the solar system all grow on Earth, they too would be compelled to orbit the Sun in the same direction as Earth.

What is salary for astrophysics in India?

The salary for astrophysicists in India can vary widely depending on factors such as experience, employer, and location. On average, entry-level astrophysicists can expect to earn around ₹400,000-₹600,000 per year, while more experienced professionals may earn upwards of ₹1,000,000 per year. However, salaries can sometimes be lower in academic or research positions compared to those in the private sector.

Why is mr fantastics hair turn gray after encounter with cosmic rays?

Mr Fantastic began to masturbate after his encounter with cosmic rays. His constant masturbation caused his hair to turn gray. When ever you see a person with gray hair, it's because they masturbate to excess.

What is the length of the year in neptune planet?

Close to 164 (earth) years and 10 months (164.79 years). While Neptune orbits the sun at the shocking speed of 5.43km/sec (which is almost 20,000 kph or 12,000 mph), since the time it was discovered it still has not completed one of its years. It will have done so on July 12, 2011.

The rotation period (its day) is 0.67 (earth) days.

What object in the solar system is made of mostly ice?

Many comets are believed to be largely composed of water ice, with some other amounts of silicate (rocky) components, fragments or dust - such that they earned the nickname "dirty snowballs."

What planet is the 4th largest in solar system?

Uranus is the 7th planet from the Sun and the 4th largest planet in our solar system, after Jupiter, Saturn, and Neptune. It is an ice giant with a diameter of about 50,724 kilometers, making it slightly larger than Neptune.

Is a black hole flat?

Black holes are not flat in the traditional sense. They have mass and volume, but their extreme gravitational pull causes them to collapse into a singularity, which is a single point of infinite density and zero volume.

Can planets set on fire?

Fire is a chemical reaction which requires significant quantities of atmospheric oxygen (and also heat, and fuel). In our solar system, Earth would be the only planet capable of sustaining fire in its familiar form, but even so, fuel would be so limited that one could not fairly characterize that the planet itself would be "set on fire."

Sometimes the Sun is notionally considered to be like fire, or "burning", but the nuclear fusion processes underway in its core have a much higher characteristic energy than the chemical reactions of fire, so it remains only a metaphor.

How many years have astrophysicist been studying astrophysics?

Astrophysics, which incorporates the chemical and physical study of stars and other bodies in the universe can be said to have arrived in the later half of the 19 century when Joseph Fraunhofer in 1850 analyzed light from both the Sun and stars like Sirius, finding characteristic absorption lines present in the spectrum produced.

This means for the past 161 years the technology has grown to the stage where we now know that many distant stars have planets around them, and a few, theorised to be not that different to our own.

What is the rhythm of cosmic love?

The rhythm of cosmic love is believed to be universal, connecting all beings and elements of the cosmos in a harmonious dance of energy and vibration. It is often described as a synchronicity of hearts beating in unity with the universe, creating a sense of interconnectedness and oneness.

Where can you find cosmic rays?

Cosmic rays can be found throughout the universe, including in space and on Earth. They originate from sources such as supernovae, black holes, pulsars, and other high-energy cosmic events. They constantly bombard Earth's atmosphere, but can also be detected in space by satellites and telescopes.

Is half of your planet water?

If you are referring to Earth, then the answer would be no. Approximately 70% of the Earth's surface is covered by water, and the other 30% is land.

What is an active black hole?

An active black hole is a black hole that it by all manner of terms is "feeding". That is, it is accreting matter, or sucking matter into itself. Most black holes are dormant and don't show any signs of accreting matter.

Shape of the orbit that planet travels?

The shape of orbits planets travel is usually considered to be elliptical, with the shared center of mass (near the Sun) being one of the foci. Potentially, an orbit could be circular but there is always at least a slight imperfection which elongates the orbit on one axis into an elliptical shape.

Examined in even greater detail, the long axis of the ellipse itself also rotates somewhat over long periods of time, an effect partially attributed to effects predicted by General Relativity, and is called apsidal precession; as such the shape of the orbit might be considered to be a complex curve somewhat like a spiral shape. If you were to trace the path as seen from above, over very long periods of time, it might seem somewhat like the outline of petals on a dense flower - with irregularities, bumps and dents caused by transient gravitational interactions with other planets at their closest approach.

What planet is roughly the same size as the Neptune?

Uranus.

it might not just be Uranus because there are so many sizes of planets

What planet in your solar system is considered to bee earths twin?

Venus is often considered Earth's twin because of its similar size and composition. However, Venus has a thick toxic atmosphere and extreme surface temperatures, making it inhospitable to life as we know it.

What is a Solar System that planets revolve around the earth?

The name for the model of a solar system in which planets (and the Sun) revolve around the Earth is called geocentric. Modern astronomy rejects the idea, dating back to Copernicus who was a proponent of the notion that the planets orbited around the Sun (heliocentric). The heliocentric model is thus also called the Copernican, and the geocentric (with models presented most famously by Aristotle and Ptolemy) is called the Ptolemaic.