NASA spots silent Opportunity rover on Mars
Washington, Sep 26 : A NASA Mars orbiter has spotted the agency's Opportunity rover on the Red Planet for the first time since it went into hibernation after a dust storm swept over the region a little more than 100 days ago and blocked sunlight from reaching the rover.
A high-resolution camera aboard NASA's Mars Reconnaissance Orbiter (MRO) captured the image of the rover on the slopes of the Red Planet's Perseverance Valley, NASA said in a statement on Tuesday.
But the future of Opportunity is still in limbo as NASA has still not heard from the 14-year-old solar-powered rover. The image of the rover, taken on September 20, was produced from about 267 kilometres above the Martian surface.
The image showed that the dust storm over Perseverance Valley has substantially cleared.
NASA scientists estimated that the tau -- a measurement of how much sunlight reaches the surface -- over Opportunity to be a little higher than 10 during some points during the dust storm.
The higher the tau, the less sunlight is available.
The tau has steadily fallen in the last several months. On September 20, tau was estimated to be about 1.3 by MRO's Mars Color Imager camera.
According to scientists at NASA's Jet Propulsion Laboratory in California, Opportunity will need a tau of less than 2.0 before the solar-powered rover will be able to recharge its batteries.
No signal from Opportunity has been heard since june 10.
In an attempt to talk to the rover, the Opportunity team is increasing the frequency of commands it beams to the rover via the dishes of NASA's Deep Space Network from three times a week to multiple times per day.
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Entry to all ASI sites to be free on International Museum Day tomorrow
New Delhi, May 17 (PTI): Entry to all sites and museums under the Archaeological Survey of India (ASI) across the country will be free on Sunday in view of the International Museum Day.
There are 3,698 protected monuments and sites, and 52 museums under the ambit of the ASI.
"The ASI is pleased to announce that entry to all ASI monuments and museums across the country will be free on May 18, on the occasion of International Museum Day," the Culture Ministry said in a statement.
The International Museum Day highlights the vital role that museums play in preserving cultural heritage, promoting education, and fostering dialogue across communities and generations.
This year to encourage wider public participation, the ASI is offering free access to its network of 52 site museums and all ticketed monuments across the country, which house some of India's most treasured archaeological artefacts, from prehistoric tools and sculptures to medieval inscriptions, and more, the statement said.
"This initiative seeks to deepen public engagement with India's rich cultural legacy and to provide a meaningful platform for people to reconnect with history and heritage," it said.
The ASI also has a dedicated Museum Wing which deals with maintenance and management of its site museums, which includes one at Sarnath site (1910) being the earliest in the series of archaeological site museums located across the country, the ministry said.
The concept of archaeological site museums sought to preserve and display the excavated and movable artefacts near the site so that the displayed objects don't lose its context and may be studied by researchers and visitors alike while visiting the site, it said.
Recently, India's first underground museum at the UNESCO World Heritage Site of the Humayun's Tomb was inaugurated, along with the Virtual Experiential Museum at Man Mahal Observatory, Varanasi and Archaeological site of Lalitagiri at Odisha, the ministry added.
ASI site museums are being upgraded to facilitate the need of every section of the society, and with modern interventions like AR-VR (augmented reality-virtual reality) also being incorporated to give visitors a holistic experience, officials said.
