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Planetary Science

Planetary Science is the study of Planets and the Solar System, a combination of Astronomy and Earth Sciences. Find questions about the different planets and more.

25,144 Questions

What is the surface temperature of the hadar?

The surface temperature of Hadar (Beta Centauri) is estimated to be around 22,500 degrees Celsius. Hadar is a blue-white supergiant star located in the constellation of Centaurus. Its high temperature gives it a bluish appearance in the night sky.

What is the name of the new planet added in the solar system?

No new planets have been found near our Sun.

The latest discovery is a planet twice the size of Jupiter called Wasp 17. It lies about 1,000 light years from us.

See related link for more information

Why would a tin of beans would weigh differently on different planets?

A tin of beans would weigh differently on different planets due to variations in gravitational pull. Gravity is stronger on larger planets and weaker on smaller ones, affecting the weight of objects. Therefore, the tin of beans would feel heavier on a planet with higher gravity and lighter on a planet with lower gravity.

What is the science of taking measurements of planets from space?

The science of taking measurements of planets from space is known as remote sensing. Remote sensing involves using satellites, spacecraft, or telescopes to collect data from a distance without physically touching the object being observed. This can include measuring various properties of a planet such as its temperature, composition, topography, and atmospheric conditions.

How does the time taken to complete an orbit change in a planet if the distance from the sun increases?

The time taken to complete an orbit increases as the distance from the sun increases. This relationship is described by Kepler's Third Law of Planetary Motion, which states that the square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit. This means that planets farther from the sun have longer orbital periods.

Is io bigger than earth?

Io is smaller than the Earth, around 3660km in diameter compared with Earths diameter of around 12750km.

What outer planets have days Longer than 24hrs?

None of the four outer planets, they all have rotational periods shorter than 24 hours. The dwarf planet Pluto has a rotational period of 6.4 days though.

Is the closest planet to Jupiter mars or Saturn?

The orbit of Jupiter is closer to Mars' orbit than to Saturn's orbit.

Mars = 1.52AU

Jupiter = 5.20AU

Saturn = 9.54AU

Having said that, the positions of the planets are always changing as the planets orbit the sun at different rates. Mars is the closest planet to Jupiter as of February 2011, but this is not always the case.

What do you call into the imaginary path of the planets?

The imaginary path of the planets in the solar system is called the ecliptic. This is the apparent path that the Sun appears to take across the sky as seen from Earth. The planets in our solar system all roughly follow this same path as they orbit the Sun.

How many AU's is the Milky Way galaxy across?

The Milky Way is estimated to be about 2,000 light years thick, but about 100,000 light years long/far... Which i guess you can tell, thats a lot.

How many days does it take for your planets to rotate?

Earth takes approximately 24 hours to complete one full rotation on its axis. The other planets in our solar system have varying rotation periods; for example, a day on Mars is about 24.6 hours, while a day on Venus is about 243 Earth days.

What common objects would the scaled sun and planets be similar in size?

If the Earth were the size of a marble (1 cm in diameter), the scaled sun would be about 11 meters in diameter (size of a large inflatable pool). However, the distance between the Earth and the sun would be about 100 meters. The scaled Jupiter would be about the size of a grain of sand, and the scaled Pluto would be roughly the size of a speck of dust.

How many planets are there in the solar system in the year 2011?

There are 20 planets in our solar system

1.murcury

2.venus

3.earth

4.mars

5.ceres

6.jupiter

7.saturn

8.neptune

9.pluto

10.2003 UB313

11.Nibiru

12.Xena

13.Makemake

14.2003EL61

15.Quaoar

16.Sedna

17.Eris

18.2005 FY9

19.Orcus

20.Varuna

Can kids go to planet fitness?

Planet Fitness typically requires members to be at least 13 years old. However, the age requirement may vary depending on the specific location and local laws. It's best to check with your nearest Planet Fitness for their specific policy regarding children at the gym.

What are the properties for the solar system's planets?

the inner planets (Mercury, Venus, Earth, Mars) all have rocky solid surfaces. The outer planets (Jupiter, Saturn, Uranus, Neptune) all have gaseous atmospheres and liquid surfaces. Pluto is very dense and has a rocky surface.

Does the distance between the earth and the sun remains the same throughout the earths intire orbit?

No, the distance between the Earth and the Sun changes throughout the Earth's orbit. The Earth follows an elliptical path around the Sun, so at some points, it is closer to the Sun (perihelion) and at other points, it is farther away (aphelion). The average distance between the Earth and the Sun is about 93 million miles (150 million kilometers).

Why there are no stars in the night sky?

You may not be able to see any stars in the night sky if you are in an area with a lot of bright lights (major cities).

Why is the planet Jupiter blue in colour?

Jupiter is not predominantly blue in color; it actually has vibrant bands of clouds in browns, reds, and other colors. The blue color is likely due to the way sunlight is scattered in its atmosphere, similar to how Earth's sky appears blue because of scattering by air molecules.

What is the best elliptical for the money?

I'm going to guess you mean machine, and with that reviews show that The Sole E35 machine is one of the best ones to buy at the moment. However, there are other cheaper ones, but they may be less affective.

Which stars always have large positive absolute magnitude?

Does it mean that the star is a main sequesnce star? ( . Y . ) The above isn't true. A star can be a blue supergiant and be on the main sequence but still not be even visible to us, therefore the apparent and absolute magnitude wouldn't be the same. But to answer your question, I don't think it has a name, it just means that you are seeing the star's absolute and apparent magnitude at the same time, so if you placed the star at 32.6 light years away(the absolute magnitude scale)then the star would not appear to change in brightness

Why is there more lunar details visible through a telescope when the mom is near quarter phase than when it is at full phase?

When at the quarter phase, sunlight is hitting the moon 'from the side' from our point of view. Mountains will cast shadows, allowing more details to be distinguished.

Imagine if you are up in a satellite, looking straight down at a large city, like New York. When it is Noon, and the sun is shining straight down on the buildings, all you will see is the tops of the buildings, with not much idea of the heights of the individual buildings. Now in the morning or evenings, the buildings cast shadows, which make it easier to distinguish the heights of the buildings.

When it is a full moon, the middle of the moon is like at 'high noon' and the parts near the edge will be casting shadows away from us (so we cannot see the shadows, anyway).

Frequently, when you see a photograph of the full moon inn a book, it is a composite of two photos, one taken exactly at first quarter, the other taken exactly at last quarter, and combined into one photo of the moon with exquisite clarity.

Why do the other stars in the galaxy appear so small in the night sky?

Other stars in the galaxy appear small in the night sky because of their immense distance from Earth. Since they are so far away, they appear as tiny points of light when viewed from our planet. Additionally, Earth's atmosphere can cause blurring and distortion of starlight, further contributing to their small appearance.

Which planet has enough gravity to hold on to most gases?

Jupiter has enough gravity to hold on to most gases because it is the largest planet in our solar system. Its strong gravitational pull prevents gases from escaping into space, allowing it to maintain its thick atmosphere.

Is our sun an o planet?

No, the sun is not classified as a planet. It is a star at the center of our solar system, providing light and heat to the planets orbiting around it.