What is the closest known exoplanet to Earth?
Answer
Proxima Centauri b
83042 Easy Trivia Questions
83042 public questions at this depth. How many can you answer?
Which exoplanet was the first to have its atmosphere detected?
Answer
HD 209458 b
What is the name of the first exoplanet discovered orbiting a Sun-like star?
Answer
51 Pegasi b
What element has atomic number 88?
Answer
Radium
Which scientist coined the term 'radioactivity'?
Answer
Marie Curie
What uranium-rich mineral was used by the Curies?
Answer
Pitchblende
Which radioactive gas is a decay product of radium?
Answer
Radon
Marie Curie won the 1911 Nobel Prize in which field?
Answer
Chemistry
What is the SI unit of radioactivity?
Answer
Becquerel
Which type of radiation is stopped by a sheet of paper?
Answer
Alpha radiation
In what year did the Curies discover radium?
Answer
1898
What element did Marie Curie name after her homeland Poland?
Answer
Polonium
Which French physicist discovered radioactivity in 1896?
Answer
Henri Becquerel
Which institute conducts Hubble's science operations?
Answer
Space Telescope Science Institute
What type of orbit does the Hubble Space Telescope use?
Answer
Low Earth orbit
What is the name of the Hubble spectrograph installed in 2009?
Answer
Cosmic Origins Spectrograph
Which astronomer first proposed a large space telescope in 1946?
Answer
Lyman Spitzer
Which instrument replaced the Wide Field and Planetary Camera 2 on Hubble?
Answer
Wide Field Camera 3
What is the approximate orbital period of Hubble in minutes?
Answer
95 minutes
What is the name of Hubble's 1995 image of distant galaxies?
Answer
Hubble Deep Field
What is the mass of the Hubble Space Telescope in kilograms?
Answer
11,110 kg
What is the orbital inclination of the Hubble Space Telescope in degrees?
Answer
28.5 degrees
Hubble is named after which astronomer?
Answer
Edwin Hubble
What is the name of Hubble’s iconic image of the Eagle Nebula?
Answer
Pillars of Creation
Which space shuttle deployed the Hubble Space Telescope?
Answer
Discovery
Which network of antennas communicates with JWST?
Answer
Deep Space Network
What polymer material is JWST's sunshield made of?
Answer
Kapton
Which nebula did JWST image to produce the 'Cosmic Cliffs' picture?
Answer
Carina Nebula
How many layers does JWST's sunshield have?
Answer
Five
From which spaceport was JWST launched?
Answer
Guiana Space Centre
What launch vehicle carried JWST into space?
Answer
Ariane 5
The size of JWST's sunshield is often compared to what?
Answer
A tennis court
What type of light does JWST primarily observe?
Answer
Infrared
What was the target of JWST's first deep field image?
Answer
SMACS 0723