זכויות יוצרים איל פילוסופיה teleskop i 1990 אלף בית טקטיקות סוציאליזם
Bill Keel's Telescope Life List - Bolshoi Teleskop Azimultanyi
Astro Fisika: Teleskop Luar Angkasa Hubble
William herschel teleskop hi-res stock photography and images - Alamy
Hubble turns 25: The past, present and future | Engadget
Hubble at 25: the space telescope's timeline - in pictures | Science | The Guardian
$10 billion James Webb Space Telescope promises deepest look yet into the origins of the universe - CBS News
A tour of the Parkes radio telescope (1990) - YouTube
NASA Returns Hubble Space Telescope to Science Operations | NASA
No, NASA's Revolutionary Hubble Space Telescope Is Not Dead Yet - CNET
Unacademy on Twitter: "#OnThisDay in 1990, NASA's Hubble Space Telescope was brought into space and placed in Earth's orbit by the Space Shuttle Discovery. https://t.co/VRZtkzZ7Q8" / Twitter
ESA - Hubble overview
Servicing Missions
NASA preps 'more complex and riskier' Hubble Space Telescope fix - CNET