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Extrasolar Planets News — ScienceDaily

Discovery Could Dramatically Narrow Search for Space Creatures

An Earth-like planet orbiting an M dwarf — the most common type of star in the universe — appears to have no atmosphere at all. This discovery could cause a major shift in the search for life on …

Looking to Move to a Galaxy Far, Far Away? Innovative System Evaluates Habitability of Distant Planets

The research framework developed, along with observational data from the Webb Space Telescope, will enable scientists to efficiently assess the atmospheres of many other planets without having to …

Heaviest Element Yet Detected in an Exoplanet Atmosphere

Astronomers have discovered the heaviest element ever found in an exoplanet atmosphere — barium. They were surprised to discover barium at high altitudes in the atmospheres of the ultra-hot gas …

It’s a Planet: New Evidence of Baby Planet in the Making

Astronomers have developed a new technique to identify small planets hidden in protoplanetary …

Could More of Earth’s Surface Host Life?

Of all known planets, Earth is as friendly to life as any planet could possibly be — or is it? If Jupiter’s orbit changes, a new study shows Earth could be more hospitable than it is …

Surprise Finding Suggests ‘Water Worlds’ Are More Common Than We Thought

A new study suggests that many more planets may have large amounts of water than previously thought–as much as half water and half rock. The catch? All that water is probably embedded in the rock, …

Two New Temperate Rocky Worlds Discovered

Astronomers have just announced the discovery of two ‘super-Earth’ planets orbiting LP 890-9, a small, cool star located about 100 light-years from …

Planetary Heist: Astronomers Show Massive Stars Can Steal Jupiter-Sized Planets

Jupiter-sized planets can be stolen or captured by massive stars in the densely populated stellar nurseries where most stars are born, a new study has …

NASA’s Webb Takes Its First-Ever Direct Image of Distant World

Astronomers have used NASA’s James Webb Space Telescope to take a direct image of a planet outside our solar system. The exoplanet is a gas giant, meaning it has no rocky surface and could not …

Full 3-D View of Binary Star-Planet System

Astronomers using the VLBA have produced a full, 3-D view of a binary star system with a planet orbiting one of the stars. Their achievement promises important new insights into the process of planet …

NASA’s Webb Detects Carbon Dioxide in Exoplanet Atmosphere

NASA’s James Webb Space Telescope has captured the first clear evidence for carbon dioxide in the atmosphere of a planet outside the solar system. This observation of a gas giant planet orbiting …

An Extrasolar World Covered in Water?

An international team of astronomers has discovered an exoplanet that could be completely covered in …

Stars Determine Their Own Masses

Using new simulations, astrophysicists discovered that star formation is a self-regulatory process. In other words, stars themselves set their own masses. This helps explain why stars formed in …

Planet Formation: ALMA Detects Gas in a Circumplanetary Disk

Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) to study planet formation have made the first-ever detection of gas in a circumplanetary disk. What’s more, the detection …

Super-Earth Skimming Habitable Zone of Red Dwarf

A super-Earth planet has been found near the habitable zone of a red dwarf star only 37 light-years from the Earth. This is the first discovery by a new instrument on the Subaru Telescope and offers …

Why Jupiter Doesn’t Have Rings Like Saturn

Because it’s bigger, Jupiter ought to have larger, more spectacular rings than Saturn has. But new research shows Jupiter’s massive moons prevent that vision from lighting up the night …

A New Method to Detect Exoplanets

In recent years, a large number of exoplanets have been found around single ‘normal’ stars. New research shows that there may be exceptions to this trend. Researchers suggest a new way of …

Undead Planets: The Unusual Conditions of the First Exoplanet Detection

The first ever exoplanets were discovered 30 years ago around a rapidly rotating star, called a pulsar. Now, astronomers have revealed that these planets may be incredibly …

Long-Term Liquid Water Also on Non-Earth-Like Planets?

Liquid water is an important prerequisite for life to develop on a planet. As researchers report in a new study, liquid water could also exist for billions of years on planets that are very different …

Martian Meteorite Upsets Planet Formation Theory

A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as …

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Source link Recently, new ground-breaking news in the field of Astronomy has been revealed. ScienceDaily published a unique article about a breakthrough in the discovery of extrasolar planets, also known as exoplanets.

Exoplanets are planets which orbit stars outside of our Solar System. Typically, these planets are difficult to detect because they are incredibly small and their faint light gets buried among the light from their star. To facilitate their detection, astronomers use innovative techniques such as the Transit Method and Radial Velocity Method.

The Transit Method involves taking light readings of a star over a period of time and detecting variations in the brightness of the star. Such variations can indicate that something is blocking the light from coming to us, which is a tell-tale sign of an exoplanet’s presence.

On the other hand, the Radial Velocity Method looks for slight movements in the star under study. When an orbiting planet forms its own gravitational pull, the star is dragged slightly due to the planet’s force of gravity. By studying this “drag”, scientists can conclude that there is indeed some unseen object that is tugging on the star.

Using the combined power of these two methods, a large scale survey is underway to find extrasolar planets in the Milky Way galaxy. Thus far, the discoveries have been remarkable. Astronomers have now found more than 4000 exoplanets in our galaxy and are constantly on the lookout for more.

This research opens new possibilities for us to explore the unknowns of the Universe. It is no exaggeration to assert that the search for exoplanets has revolutionized Astronomy and is creating a new path to discovering a wealth of new knowledge about planets outside of our Solar System.

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