How Do We Find Habitable Planets? Heretofore, there is only one planet we know of, so far, that is drenched with life - the Earth. Do other planets beyond our solar system, called exoplanets, …
Astrometry Method for Detecting Exoplanets Latest updated on August 21, 2020, NASA's Exoplanet Archive contains 4,201 confirmed exoplanets (verified by two or more discovery methods, 5,481 candidate …
A Star Just Collapsed to Form a Black Hole As the traces are absent from the data of 2019 and are available in the older, astronomers wonder what had happened to the star.
Slit and Slitless Spectrograph A spectrograph doesn’t make images but instead performs spectroscopy, the science of breaking up light into its individual components.
Stellar Magnitude Stellar magnitude is a way to measure the brightness of stars. Though the brightness of the star varies depending ion its chemical composition and its …
How Do We Measure the Distance of Nearby Star From Earth? Have you ever thought, wondered, and confused yourself on ‘how astronomers sitting here on Earth can estimate and claim the distance of the stars that are so …
Hungriest Black Hole Swallows the Equivalent of a Sun a Day Now you may wonder ‘black holes do not emit light and how the quasar that contains black holes emits so much brightness?’
Spectroscopy, its Use and Working First, light from the objects travels to a collimating mirror from a telescope through a small opening in the spectrograph. Collimating mirrors are lines
Hubble Space Telescope Major Equipments and Their Working Hubble space telescope (HST) has been hunting the enormous and is helping the astronomers to reveal the secret mystery of the universe. For its long designed …
Hubble Space Telescope; A Space Exploration Odyssey The Optical Telescope Assembly (OTA) and also the Fine Guidance Sensors of HST was built by the optics company Perkin-Elmer but the mirrors turned out to have defects and later, after three years, NASA fixed it.
