Space is a perilous place for humans to inhabit: microgravity slackens our muscles and upsets our fluid balance, radiation threatens to ravage DNA, and the yawning vacuum outside is a constant threat. However, for other […]
The image above shows an example of a moonbow that appeared over Maui, Hawaii in February 2016. Although moonbows are also commonly known as lunar rainbows, or white rainbows in many parts of the world, […]
The summer solstice occurs on June 21st, which is the longest day of the year and officially marks the start of summer in the northern hemisphere. Although visible throughout a good part of the year, […]
The image above shows a pair of bright sundogs as seen from the city of Fargo in North Dakota. Also visible here are sections of the arcs passing through each sundog. These are known as […]
The image above shows the extent of the supernova remnant designated SN 1006. In this X-ray image taken with the Chandra space telescope, multi-million-degree gas is shown as red and green, while extremely high-energy electrons […]
The image above shows some detail of cluster of galaxies known as MACS J1149.5+2223, which is located almost at the edge of the observable Universe. The inset shows a member of the cluster known as […]
The image above shows rock formations within the Petrified Forest National Park in Arizona. It was from deep within the rock formations shown here that scientists extracted a 518-metre-long core sample that proved the correlation […]
Alphard (Alpha Hydrae) is an orange-colored star that has an apparent visual magnitude of +2.0, making it the brightest star in Hydra, the largest of the 88 recognized constellations. Alphard is at the midway point […]
The image above shows an artists’ impression of the deployed InSight spacecraft on the surface of Mars. The craft was launched from the west coast of the USA on May 5. 2018, after a two-year […]
The image above shows an artist’s impression of the impact between Earth and a Mars-sized object in an event that is widely accepted as the mechanism that formed Earth’s Moon only about 100 million years […]
© Copyright 2023 Astronomy Trek
