A new model explains the rarity of planets with masses that fall between super-Earths and mini-Neptunes. A new model that takes into account the various forces acting on newborn planets can explain two puzzling observations that have been observed among the more than 3,800 known planetary systems.
An illustration of the variations among the more than 5,000 known exoplanets discovered since the 1990s. Credit: NASA/JPL-Caltech
The first mystery, “radius valley”, refers to the unusual scarcity of exoplanets with a radius around 1.8 times that of Earth. According to observations made by’s Kepler spacecraft, planets of this size are about 2-3 times less common than super-Earths and mini-Neptunes .
An illustration depicting the scarcity of exoplanets about 1.8 times the size of Earth that were observed by NASA’s Kepler spacecraft. Credit: A. Izidoro/Rice University
Deutschland Neuesten Nachrichten, Deutschland Schlagzeilen
Similar News:Sie können auch ähnliche Nachrichten wie diese lesen, die wir aus anderen Nachrichtenquellen gesammelt haben.
Two-alarm Brooklyn fire guts home on New Year’s Eve, injures two residents | amNewYorkTwo Brooklyn residents were injured in a two-alarm house fire on the last day of 2022, Fire Department sources reported.
Weiterlesen »
The Witcher Season 3 Could Get Two-Part Release Model, Says ShowrunnerTheWitcher showrunner Lauren S. Hissrich says that season 3 may get a two-part release model. 'I do think that, obviously, we don't put anything out that we're not incredibly proud of. So that dictates our entire launch date.'
Weiterlesen »
Your New Year's Eve weather forecastNEW YORK — Two storms are moving across the nation just in time for New Year's Eve.
Weiterlesen »
Ireland Baldwin Reveals She's Pregnant, Expecting First Child with Boyfriend RAC'Happy New Year,' the model wrote alongside a photo of a sonogram.
Weiterlesen »
Why meteoric LDS Church growth has flamed out and what could relight the fuseExperts once predicted the LDS Church would be a major world religion with 36 million to 121 million members by 2020. It didn’t happen. Researchers and members have some clues about why growth has slowed and some ideas for turning things around.
Weiterlesen »
Police say two people found dead, two injured at Maryland residenceAuthorities said they were called to a residence in Prince George's County for a report of a shooting.
Weiterlesen »