Scientists have long tried to explain the origin of a mysterious, large and anomalously cold region of the sky. In 2015, they came close to figuring it out as a study showed it to be a “supervoid” in which the density of galaxies is much lower than it is in the rest of the universe. However, other studies haven’t managed to replicate the result.
Low energy efficiency is already a major problem for petrol and diesel vehicles. Typically, only 20% of the overall well-to-wheel energy is actually used to power these vehicles. The other 80% is lost through oil extraction, refinement, transport, evaporation, and engine heat. This low energy efficiency is the primary reason why fossil fuel vehicles are emissions-intensive, and relatively expensive to run.
In the past few decades, there has been an explosion in the number of extra-solar planets that have been discovered. As of April 1st, 2018, a total of 3,758 exoplanets have been confirmed in 2,808 systems, with 627 systems having more than one planet. In addition to expanding our knowledge of the Universe, the purpose of this search has been to find evidence of life beyond our Solar System.
Astronomers discovered water vapor in the atmosphere of super-earth K2-18b, an exoplanet that is orbiting its host star in the habitable zone. According to scientists, k2-18b might potentially be the most habitable out of all exoplanets that have been discovered up until this day. The researchers published their findings in the science journal Nature Astronomy
Astrophysicists normally assume that huge systems like the universe, are indifferent to details of smaller systems contained within it. Scientists from the University of Hawaii at Manoa (Kevin Croker and Joel Weiner) have shown that this hypothesis can fail when it comes to compact objects that remain after the collapse and explosion of huge stars.
Space elevators are a fascinating concept as they will bring down the cost of space travel enormously. If we really want space travel to become available for the masses in the future we should invest in this concept. Two astronomers recently proposed a new concept building on the idea of a space elevator called a spaceline. Enjoy this curated article on the subject:
Venus is the second planet from the sun, and in addition to its similar chemical makeup, it is approximately the same size and mass as Earth. It’s sometimes even called ‘Earth’s sister planet’. Although it is a fascinating planet, it has been ignored in the past few decades. Is it time for a new Venus exploration mission? Enjoy this curated article
Dark matter has eluded astrophysicists for quite some time. Its existence was first suggested in the 1920s by a Dutch astronomer named Jacobus Kaptyen, based on stellar velocities.
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