For years, scientists have understood that in Mars’ polar regions, frozen carbon dioxide covers much of the surface during the winter. During the spring, this ice sublimates in places, causing the ice to crack and jets of COA2 to spew forth.
Category: Astronomy
Festive nebulae light up Milky Way Galaxy satellite
This glowing nebula, named NGC 248, is located within the Small Magellanic Cloud, a satellite galaxy of the Milky Way and about 200 000 light-years from Earth. The nebula was observed with Hubble’s Advanced Camera for Surveys in Sept.
VLA, ALMA team up to give first look at birthplaces of most current stars
Radio/Optical combination images of distant galaxies as seen with NSF’s Very Large Array and NASA’s Hubble Space Telescope. Their distances from Earth are indicated in the top set of images.
Pan-STARRS Releases Largest Digital Sky Survey to the World
The Pan-STARRS project at the University of Hawai’i Institute for Astronomy is publicly releasing the world’s largest digital sky survey today from the Space Telescope Science Institute in Baltimore, Md. The Harvard-Smithsonian Center for Astrophysics is among the partners who contributed to the Pan-STARRS1 Surveys.
NASA plans to search for ‘Star Wars’ planets
Some of the planets discovered around stars in our own galaxy may be very similar to the ‘Star Wars’ exoplanets like arid Tatooine, watery Scarif and even frozen Hoth, according to NASA scientists. Sifting through data on the more than 3,400 confirmed alien worlds, scientists applied sophisticated computer modelling techniques to tease out the colours, light, sunrise and sunsets we might encounter if we could pay them a visit.
[Working Life] Following my lucky star
About 30 years ago, while lunching with science faculty members during a campus visit, I was asked to what I attributed my success. My spur of the moment reply, “The ability to write and speak easily and well,” surprised them.