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Exoplanets

Exoplanets, or extra-solar planets, are those planets which revolve around stars other than our Sun. A large number of Exoplanets have been detected and many more are continually added to the list.

118 Questions

How would our Earth's crust be affected if one of the key elements were missing?

If one of the key elements were missing from Earth's crust, it would significantly alter its composition and stability. For instance, if silicon were absent, silicate minerals would not form, drastically affecting the structure and behavior of rocks. This could lead to a less geologically diverse and potentially more unstable crust, impacting everything from tectonic activity to the availability of natural resources. Overall, the absence of a key element would disrupt the balance of geological processes and ecosystems.

What happend in 561 BC?

Ah, in 561 BC, many interesting things were happening around the world. It was a time filled with new discoveries, artistic creations, and cultural exchanges. Just like a blank canvas waiting for a painter's touch, 561 BC was a year full of potential and possibilities.

How are exoplanets named and what is the process behind assigning them their unique names?

Exoplanets are named based on the star they orbit, followed by a lowercase letter starting from "b" for the first planet discovered. The International Astronomical Union oversees the naming process, which can involve input from the scientific community and public suggestions. Unique names are often chosen to honor significant figures or themes related to the planet or its discovery.

How To Pronounce Makemake?

The dwarf planet "Makemake" is pronounced as "MAH-keh-MAH-keh".

What is koi-736.01 like?

KOI-736.01 is a disallowed planetary candidate, meaning it is not currently considered a confirmed exoplanet. It was initially identified as a potential exoplanet by the Kepler spacecraft but did not meet all the criteria required for planet classification. Further observations are needed to determine its true nature.

Does Procyon have exoplanets?

As of now, there have been no confirmed reports of exoplanets orbiting Procyon. However, it is possible that there may be undetected exoplanets around this star waiting to be discovered through further observations.

Is it possible for a moon to orbit a planet so that it is in a continual lunar eclipse and is never exposed to sunlight?

I would say no, but would welcome any thoughts from others on this.

The time taken for an object to orbit around another mainly depends on the distance, the further out, the longer it takes. For a moon to be always behind the planet on its way round, its time taken to orbit the planet would have to be a similar length of time that the planet takes to orbit the parent star.

So the orbiting moon would have to be as far away from the planet centre as the planets distance to the star centre, meaning that the moon is no longer chiefly affected by the planets 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.

Can you travel to a exoplanet?

As of now, no human-made spacecraft has traveled to an exoplanet. The vast distances and technological challenges make it extremely difficult to physically travel to an exoplanet within a reasonable timeframe using current technology. Most studies focus on observing exoplanets from a distance through telescopes or potentially exploring them through robotic missions in the future.

What is CJ667Cc?

There seems to be no specific meaning or reference to "CJ667Cc" in common knowledge or databases. It could be a random alphanumeric code or a specific reference that is not widely recognized. Further context or clarification would be needed to provide a more accurate answer.

What makes neptunes rings unique?

Neptune's rings are believed to be made up of fragments of dust and ice, as well as small rocks and boulders. They are darker in color compared to Saturn's rings and are thought to contain organic material. Additionally, Neptune's rings are relatively young in astronomical terms, likely formed from the breakup of one or more of its moons.

Does Sirius have exoplanets?

Yes, Sirius is a binary star system composed of two stars, Sirius A and Sirius B. As of now, there have been no confirmed exoplanets detected in orbit around either star.

What is the average size of an exoplanet?

The average size of an exoplanet is roughly similar to that of Earth, with most falling within the range of terrestrial planets like Mercury, Venus, and Mars, as well as super-Earths. However, exoplanets can vary significantly in size, ranging from smaller than Earth to much larger than Jupiter.

What is tha average size of an exoplanet?

The average size of an exoplanet is generally larger than Earth but smaller than gas giants like Jupiter. Most exoplanets discovered so far have a size between that of Earth and Neptune.

How many methods can scientists discover planets in other galaxies?

Scientists primarily discover planets in other galaxies through indirect methods, such as observing the dimming of light from a star when a planet passes in front of it (transit method) or analyzing the wobble of a star caused by an orbiting planet (radial velocity method). Direct imaging of exoplanets in other galaxies is more challenging due to the vast distances involved, but advancements in technology may make this possible in the future.

What are the problems with humans living on Kepler-22b?

We don't know what the planet's mass is, just it's radius and orbital period. But the planet lacks a solid surface for any reasonable assumption of its composition. It's structure is more comparable to Uranus and Neptune than a solid terrestrial planet like Earth.

How many years would it take to travel to planet Kepler?

There is no single planet named Kepler. Planets discovered by the Kepler space observatory are given designations such as Kepler-22b. Planets discovered by Kepler range from about 100 to about 7,000 light years away. Currently we do not have the ability for interstellar travel so we do not know what the travel times might be.

How where exoplanets discovered?

Exoplanets are discovered using various methods such as transit method, radial velocity method, direct imaging, and gravitational microlensing. These methods involve observing changes in the light emitted or reflected by a star when an exoplanet passes in front of it, causes it to wobble due to gravitational pull, or distorts the light. Advanced instruments like space telescopes and ground-based observatories support these detections.

What makes an object in space an exoplanets?

An object in space is considered an exoplanet if it orbits a star outside our solar system. Exoplanets are also known as extrasolar planets and they can vary in size, composition, and distance from their host star. Their discovery helps scientists better understand the diversity of planetary systems in the universe.

How many exoplanets have been found as of today?

If they're undiscovered, how are we supposed to know?

The likelihood that there is an undiscovered planet ... as opposed to an undiscovered minor planet ... in the Solar System is approximately nil.

Astronomers estimate that there are as many as 100 billion to 400 billion planets orbiting other stars in our galaxy.

How are exoplanets currently being detected?

Exoplanets are currently being detected using various methods, including the transit method (detecting the decrease in a star's brightness as a planet passes in front of it), the radial velocity method (measuring the wobble of a star due to the gravitational pull of an orbiting planet), and the direct imaging method (taking pictures of exoplanets themselves). Other techniques like microlensing and astrometry are also used to detect exoplanets.

When was the diamond planet discovered?

The diamond planet, also known as 55 Cancri e, was discovered in 2004 orbiting the star 55 Cancri in the constellation of Cancer. It is a planet that scientists believe has a composition largely made up of carbon, which in extreme pressures and temperatures could potentially form diamonds.