In quantum physics, what constant relates a photon's energy to its frequency?
Answer
Planck constant
83042 Easy Trivia Questions
83042 public questions at this depth. How many can you answer?
On the periodic table, which group contains the noble gases?
Answer
Group 18
On the periodic table, which element is the halogen in period 3?
Answer
Chlorine
On the periodic table, which element has the atomic number 1?
Answer
Hydrogen
In human genetics, which disorder is caused by mutations in the CFTR gene?
Answer
Cystic fibrosis
What is the process called when a cell makes an RNA copy from a DNA template?
Answer
Transcription
Which chromosome is the largest of the 23 human chromosome pairs?
Answer
Chromosome 1
Which four bases make up the DNA alphabet in all living organisms?
Answer
Adenine, cytosine, guanine and thymine
Which scientist is known as the father of genetics for pea-plant experiments?
Answer
Gregor Mendel
Which international telescope array produced the first image of a black hole in 2019?
Answer
Event Horizon Telescope
What is the approximate speed of gravitational waves traveling through empty space?
Answer
Speed of light
What is the name of the maximum mass a white dwarf can have before electron degeneracy pressure fails?
Answer
Chandrasekhar limit
What type of black hole usually forms when a massive star’s core collapses?
Answer
Stellar-mass black hole
What structure of orbiting hot gas commonly powers a bright black-hole X-ray source?
Answer
Accretion disk
What boundary marks the point beyond which nothing can escape a black hole?
Answer
Event horizon
What is the name of the black hole at the centre of the Milky Way?
Answer
Sagittarius A*
Who was the commander of Apollo 17, the final Apollo mission to land on the Moon?
Answer
Eugene Cernan
Who became the first person to walk on the Moon during Apollo 11?
Answer
Neil Armstrong
On what date did Apollo 11 land the first humans on the Moon?
Answer
20 July 1969
Which NASA mission first placed humans in orbit around the Moon?
Answer
Apollo 8
Which NASA mission carried the Ingenuity helicopter to Mars in 2021?
Answer
Mars 2020
Which NASA space telescope launched in 1990 and studies the universe from low Earth orbit?
Answer
Hubble Space Telescope
Which NASA mission carried the Curiosity rover to Mars in 2011?
Answer
Mars Science Laboratory
What was the name of NASA’s first reusable space shuttle, launched in 1981?
Answer
Space Shuttle Columbia
Which NASA mission first landed humans on the Moon in July 1969?
Answer
Apollo 11
Which Golden Age pirate was nicknamed “Long Ben”?
Answer
Henry Every
Which pirate was born Edward Teach?
Answer
Blackbeard
Which pirate became famous as Black Bart?
Answer
Bartholomew Roberts
What was the name of Blackbeard’s flagship?
Answer
Queen Anne’s Revenge
Which civil rights leader became the first African American U.S. Supreme Court justice?
Answer
Thurgood Marshall
On what date did the March on Washington for Jobs and Freedom take place?
Answer
August 28, 1963
Which U.S. law signed in 1964 outlawed discrimination in public accommodations and employment?
Answer
Civil Rights Act of 1964