NASA announced the discovery of Kepler-186f
NASA announced the discovery of Kepler-186f, the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.
NASA announced the discovery of Kepler-186f, the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.
ClockHorizon daily selection“Knowledge itself is power.”
The funeral of Prince Philip, Duke of Edinburgh, takes place at St George's Chapel, Windsor Castle.
NASA's Kepler space telescope confirms the discovery of the first Earth-size planet in the habitable zone of another star.
An explosion at a fertilizer plant in the city of West, Texas, kills 15 people and injures 160 others.
The ceremonial funeral of former British prime minister Margaret Thatcher takes place at St Paul's Cathedral.
A Palestinian suicide bomber detonates an explosive device in a Tel Aviv restaurant, killing 11 people and injuring 70.
“Knowledge itself is power.”
One highlighted entry is from 2014: NASA announced the discovery of Kepler-186f, the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.
People listed for April 17 include Antonio Nusa (2005), Ryujin (rapper) (2001), and Violette Dorange (2001).
Observances listed for April 17 include Malbec World Day, Flag Day (American Samoa), and Christian feast day: April 17 (Eastern Orthodox liturgics).