Planetary Science

Mercury Venus and Earth are all closer to the sun than mars

On Venus it rains sulfuric acid, although due to the heat it never reaches the ground but vaporises about 5 miles before the surface of the planet.

The helium flash in stars of solar masses typically lasts only a few hours to a few days. During this short-lived event, helium is rapidly converted into carbon and oxygen in the star's core, leading to a release of a significant amount of energy.

A Martian year is equal to 1.8809 Earth years (686.971 days), or 1 year, 320 days, and 18.2 hours 12 seconds

If you use the Martian day (about 2.7% longer than an Earth day) for your calculation, a Martian year is equal to 668.5991 sols. That means that Mars rotates a little more than 668 times for every revolution around the Sun.

The movement of one object around something else is called revolution (a rotation is when an object moves around an axis that is part of the object itself). One year = one revolution.

We know that the Earth rotates west to east (causing the sun to rise in the east and set in the west). And if you look down at the earth from the North pole, it will be rotating counter clockwise. if you look up at the earth from the south pole, then the earth will be rotating clockwise.

A whirlpool spins counter clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere due to the Coriolis effect, a phenomenon caused by the Earth's rotation. This effect influences the direction of fluid motion, causing water to rotate counterclockwise around a low-pressure system in the Northern Hemisphere.

If you are talking today as in October 19, 2010.....the King of the planets...Jupiter. :)

The moon is believed to have a small, solid iron core surrounded by a partially molten outer core. This molten region is thought to be much smaller than that of Earth because the moon is much smaller and has cooled more rapidly. It does not have a large molten core like Earth.

When a meteorite impacts a rocky planet's surface, it creates a crater due to the immense energy released upon impact. The impact also generates shock waves that can cause the surrounding rock to shatter and melt, forming impact melt rocks. Additionally, ejected debris can be scattered around the impact site, creating a distinctive pattern called ejecta.

Earth's magnetic axis is tilted at an angle of approximately 11 degrees from its geographic axis. This means that the magnetic north pole is not exactly aligned with the geographic north pole. The tilt causes compass needles to point slightly off from true north in certain locations.

Yes, most planets are denser towards the middle due to the gravitational forces compressing their materials towards the center. This causes a higher concentration of heavier elements and a higher density at the core compared to the outer layers.

Earth is divided into 24 time zones. A time zone is a region with uniform standard time so areas near that location can keep the same time. Most time zones on land are offset by Coordinated Universal Time, or UTC, by a the whole hour (UTC-12 to UTC+14).

The weight of the bag of sugar on Mars would be about 0.38 times its weight on Earth, due to Mars having weaker gravity. On Jupiter, the weight of the bag of sugar would be about 2.53 times its weight on Earth, since Jupiter's gravity is much stronger.

Adjective Phrases :

1. around the Earth - modifies orbit

2. of the illuminated side - modifies part

3. of the Moon - modifies side

Adverb Phrase: in its orbit (in its orbit around the Earth) - modifies around

Most planets are found in the Milky Way galaxy, which is part of the Local Group of galaxies. Within the Milky Way, planets are most commonly found in the habitable zone around stars, where conditions may be suitable for liquid water and potentially life to exist.

Terrestrial LiDAR, or TLS, is a surveying method that uses a laser scanner mounted on a tripod to collect high-resolution 3D point clouds of the Earth's surface and surrounding objects. It is commonly used in applications such as topographic mapping, infrastructure monitoring, and cultural heritage documentation.

It is all relative to several factors. Most specifically: when you start measuring. By conventional standards, the idea that you are using a standard clock based on GMT, it is night time. More specifically twelve midnight, the only time at which all points on the globe are on the same calendar day.

une planète
Note: since planète is feminine in French, the names of planets are also feminine

Mercury Mercure

Venus Vénus

Earth la Terre

Mars Mars

Jupiter Jupiter

Saturn Saturne

Uranus Uranus

Neptune Neptune

Pluto

The spiral galaxy reminded Hubble of a "spiral nebula," leading to the realization that these spiral nebulae were actually distant galaxies outside of our Milky Way. This discovery fundamentally changed our understanding of the universe.

orbit and rotation there is also a wobble or tilt that can fluctuate

Sand has a lower specific heat capacity than a towel, which means it can heat up more quickly when exposed to sunlight. Additionally, sand is a better conductor of heat than a towel, so it transfers heat to your skin faster, making it feel hotter to the touch.

That would be a galaxy. Our solar system is part of the Milky Way galaxy, which contains billions of stars, planets, and other celestial objects.