The aim of Asteroid Day is to inform the public and raise awareness about the possibility that asteroids can collide with the Earth in the future. Today was chosen to highlight the risk because on the same day in 1908, a 30m object entered the...
June 30 is the 107th anniversary of the biggest asteroid strike on the Earth in recorded history. In 1908, an asteroid measuring perhaps 90-190 meters across struck Siberia, damaging over 2,000 square kilometers of Russian forest – an area that measures larger than New York’s five...
Scientists and spacefliers will be focusing attention on near-Earth objects when the first-ever Asteroid Day plays out on Tuesday — not so much to raise money, but to raise awareness about the potential threat from above and what to do about it. That last part is...
It is a cold January afternoon on the peak of Mt. Bigelow, an hour's drive north from Tucson, and the wind burns my face as I watch the colors of the desert sunset bleed into the foothills of the Catalina mountains. This is the home of...
WASHINGTON — A privately funded space telescope originally proposed to search for larger near-Earth asteroids may also be effective in detecting smaller, but more numerous and potentially more dangerous, such objects. In a presentation at the International Academy of Astronautics’ Planetary Defense Conference in Frascati, Italy,...
Humankind lives in a cosmic shooting gallery. For evidence of that, we need look no further than the events of 15 February 2013. On that day, a medium-size asteroid was set to pass some 28,000 kilometers from Earth, unusually close and well within the orbits...
After the devastation wreaked by the Chelyabinsk asteroid airburst on 15th February 2013, two questions were on everybody’s lips. One, “why didn’t we see it coming?” And two, “How can we prevent similar events in the future?” Read the Article: "How to prevent another Chelyabinsk" Astronomy Now (April 29,...
Steve Jurvetson's Biography Bio: Steve Jurvetson is a Partner at DFJ. The SF Chronicle and SF Examiner recognized Steve as one of “ten people expected to have the greatest impact on the Bay Area in the early part of the 21st Century.” Steve was chosen by...
Each month we introduce you to a citizen-supporter of the Sentinel Mission. This month, it’s our pleasure to introduce you to Bob Trembley. Bob Trembley's Bio: I have been an amateur astronomer my entire life. I graduated from Michigan Technological University in 1983 with a BSEE, and...
This month, we’re pleased to highlight father-and-son Founding Circle members James and Justin Jameson. James & Justin Jameson's Bio: James is Chairman and/or major shareholder of companies in aerospace, agriculture, publishing, book distribution and real estate. These companies include Glenair, Inc., LIDCO, Inc., the Luxembourg Cambridge...