A new theory for how rocky planets form could explain the origin of so-called "super-Earths" -- a class of exoplanets a few times more massive than the Earth that are the most abundant type of planet in the galaxy.
Further, it could explain why super-Earths within a single planetary system often wind up looking strangely similar in size, as though each system were only capable of producing a single kind of planet.
Unified Theory Of Rocky Planet Formation Could Explain Abundance Of Super-Earths | IFLScience
The origins of rocky planets may lie in a single disk at the point where silicates solidify, with one planet produced after another before migrating inwards. Image credit: Caltech
The galaxy is filled with rocky planets a few times the mass of the Earth, (called super-Earths ) and astronomers have been struggling to explain why.
When 'Earth-like' planets aren't necessarily very much like Earth | CBC Radio
NASA's Transiting Exoplanet Survey Satellite (TESS) has found two planets similar in size to Earth and within the habitable zone of star TOI 700 . We might temper our excitement though, as this is not enough to conclude that the environments of these planets are otherwise very much like Earth.
NASA Just Discovered a Rare Earth-Sized Planet in a Habitable Zone : ScienceAlert
TOI 700 e has been confirmed orbiting inside the habitable zone of its star, TOI 700. That's the region of space where significant quantities of water on its surface would be at a temperature suitable for a liquid form.
We can thank NASA's Transiting Exoplanet Survey Satellite, or TESS, for finding TOI 700 e, and for giving it its name (TOI means TESS Object of Interest). It's the second planet in the habitable zone in this system, joining TOI 700 d that was spotted in 2020 .
Ask the expert: Breaking down the discovery of an Earth-sized planet | MSUToday | Michigan State ...
Working with data from NASA’s Transiting Exoplanet Survey Satellite, or TESS, Michigan State University has helped discover an Earth-sized exoplanet — a planet outside of our solar system.
Astronomers believe that many such planets exist in our galaxy and across the universe. The discovery of TOI-700 e, along with the earlier confirmation of its host system, could provide unique opportunities to better explore exoplanets going forward.
When Was Each Planet Discovered? - WorldAtlas
The first planet to truly be discovered was Uranus , the seventh planet from the sun. Interestingly, Uranus is sometimes visible to the naked eye, and star charts from Ancient Greece actually included Uranus as a star. Since Uranus is so far away and dim, no one identified it as a planet.
The discovery of Uranus directly led to the discovery of Neptune , the eighth planet from the sun. After the discovery of Uranus, subsequent observations revealed deviations in its orbit.
How Long Would It Take To Travel To Each Planet? - WorldAtlas
Our solar system is home to eight individual planets . Moving outwards from the sun , they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Mars is the most frequently visited planet in our solar system. While humans have yet to land on the Martian surface, space agencies have sent a number of rovers , landers, and satellites to study the Red Planet.
Earth-like planets have been discovered outside the solar system, who discovered them?
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2023, February 6: Leo Moon Occults Star, Three Evening Planets Dance
February 6, 2023: The bright moon occults a star in Leo. Venus continues to dance toward Jupiter after sundown. Mars marches eastward in front of Taurus.
Chicago, Illinois: Sunrise, 6:58 a.m. CST; Sunset, 5:12 p.m. CST. Check local sources for sunrise and sunset times for your location. Times are calculated from the U.S. Naval Observatory's MICA computer program.
#ANALYSIS: NASA announced the discovery of a solar system with rocky planets orbiting in the habitable zone of thei… https://t.co/aspAOg5FIq CBCNews (from Canada) Sat Jan 14 03:00:33 +0000 2023
Based on an initial characterization, it was thought these two planets discovered by the Kepler mission were rocky… https://t.co/Qqwf7Cngqz arstechnica (from NYC - Boston - Chicago - SF) Sat Jan 14 05:32:36 +0000 2023
Why do other systems have superearths and we don't? - https://t.co/SEyzKGEjyZ https://t.co/nE3RxbIJuI fcain (from Courtenay, British Columbia) Fri Jan 13 18:02:00 +0000 2023
Essentially, Webb is seeing the building blocks of not just stars, but also potentially planets. This could lead to… https://t.co/w4hovtp7gv NASAWebb (from Lagrange Point 2) Wed Jan 11 20:20:51 +0000 2023
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