Researchers have discovered a giant atmospheric wave-like phenomenon in Venus’ lower atmosphere, unlike anything else seen in the solar system. Evidence shows it has existed since at least 1983, but went completely undetected until now.
Posted by Andy Briggs in Astronomy Essentials | Space|4 days ago
Unlike the open star clusters – containing sibling stars, scattered through the disk of our galaxy and presumably other galaxies – globular clusters are big, symmetrical and old, like an earthly city’s oldest and most staid citizens.
Posted by Deborah Byrd in Astronomy Essentials | Human World | Space|6 days ago
We can’t believe it. One of the most popular articles at EarthSky this week is the one asking, will Mars be as big as the moon on August 27? Short answer … no. This hoax has been circulating since 2003.
Galactic cosmic rays are high energy particles from explosive events like supernovae, zinging through our solar system, constantly bombarding both Earth and Mars. A researcher suggests they supply enough energy to make subsurface life on Mars possible.
The European Space Agency’s Trace Gas Orbiter has unexpectedly detected carbon dioxide and ozone in Mars’ atmosphere where the elusive methane should be, researchers in the UK and Russia have announced. The two gases may be hindering the probe’s methane detections.
It was a picture-perfect launch this morning for the Mars 2020 Perseverance rover, with good weather and no major hitches. The rover lifted off on a United Launch Alliance Atlas V rocket from Cape Canaveral Air Force Station in Florida.
The Mt. Lemmon survey discovered the asteroid on July 26. It was labeled near-Earth asteroid 2020 OY4. The asteroid then passed at about 11% of the moon’s distance early in the day on July 28. The Virtual Telescope Project in Rome captured its image.