telescope

astronomyNASA TESS Discovers Earth Sized Exoplanet

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its first Earth-size exoplanet. The exoplanet, HD 21749c, is about 89% Earth’s diameter.

astronomyMilky Way Weighs 1.5 Trillion Suns and Most is Dark Matter

NASA’s Hubble Space Telescope and the European Space Agency’s Gaia satellite have more precisely weighed the Milky Way galaxy. Above – On the left is a Hubble Space Telescope image of a portion of the globular star cluster NGC 5466. …

nasaCarnival of Space 601

The Carnival of Spadce 601 is up at Universe Today. NASA is on track to launching the WFIRST space telescope around 2025. The telescope will be about the same size as the Hubble Telescope, but it will have a vastly …

astronomyNeutrino Detector Sizes are Measured in Cubic Kilometers

The IceCube Neutrino Observatory is a neutrino observatory constructed at the Amundsen–Scott South Pole Station in Antarctica. Its thousands of sensors are located under the Antarctic ice, distributed over a cubic kilometer. IceCube consists of spherical optical sensors called Digital …

israelMany Tiny Satellites Can Create Image of a Giant Space Telescope

Nanosatellites the size of milk cartons arranged in a spherical (annular) configuration were able to capture images that match the resolution of the full-frame, lens-based or concave mirror systems used on today’s telescopes. They created a miniature model with a …

astronomyUltimate Guide to Viewing the Cosmos

Writers from Universe Today have created the ultimate resource for all backyard space enthusiasts. They provide everything you need to know to become an amateur astronomer. Universe Today is a top space science and technology website. David Dickinson and Fraser …

colonizationNear Term Moon Bases and Operations

What will the moon be used for and how big could moon bases be? The main things that I can see as near-term uses for the moon are 1. Source of water for space operations that is many times cheaper …

scienceAliens Might Have Filled Space With Junk Like We Fill Our Oceans and Orbit

If there are technological aliens in our galaxy, then it is possible that their space junk could be part of the Interstellar material that makes it to our solar system. How much depends upon how many technological alien civilizations there …