astronomers - updates

Rappler's latest stories on astronomers


Rappler Talk: PAGASA's Chris Perez on weather forecasting

Nov 08, 2019 - 12:55 PM

What are PAGASA operations like? What exactly do common weather forecasting terms mean? Rappler talks to PAGASA Senior Weather Specialist Chris Perez.

Colder days ahead as PAGASA declares onset of northeast monsoon

Oct 25, 2019 - 6:59 PM

'Sa mga susunod na araw at buwan ay posible na po tayong makaranas o maramdaman na natin 'yung malamig na simoy ng hangin,' says PAGASA Weather Specialist Ana Clauren

PAGASA warns public vs fake 'Visayas' Facebook page

Sep 20, 2019 - 11:55 AM

State weather bureau PAGASA also says it is the DENR's Environmental Management Bureau which handles haze-related advisories

Here's your chance to name an exoplanet and its host star

Aug 06, 2019 - 7:36 AM

'The names of the exoplanet and its host star should be related to one another and they should be culturally or historically relevant to the Philippines,' says PAGASA

Image from IAU Name Exoworld Philippines' Facebook page

COA hits delays in implementation of P398-M PAGASA project

Aug 01, 2019 - 12:01 AM

State auditors say the P398-million fund transfer to the DICT 'had no recorded liquidation reports and information as to the implementation of the project for almost two years'

'Ang init!': The heat index, explained

Apr 09, 2019 - 10:15 PM

The heat index isn't just about the temperature. Here's what it means, how it affects people, and what people can do to protect themselves.

Zamboanga City under state of calamity due to dry spell

Mar 05, 2019 - 7:49 PM

The city disaster management office and the City Agriculturist Office are proposing P43.8 million to purchase fertilizer and vegetable seeds, as well as buy or rent equipment

DROUGHT. The Zamboanga City council on Tuesday, March 5, passed a resolution placing the city under a state of calamity due to drought caused by the weak El Niño. Photo by Richard Falcatan/Rappler

LIST: PAGASA's names for tropical cyclones in 2019

Jan 03, 2019 - 7:20 PM

Will we have Typhoon Zigzag this year?

Low pressure area to bring rain in Visayas, Mindanao 5 days before Christmas

Dec 20, 2018 - 10:42 AM

PAGASA urges Visayas and Mindanao residents to prepare for possible flooding and landslides due to occasional heavy rain

How we solved a centuries-old mystery by discovering a rare form of star collision

Oct 27, 2018 - 1:30 PM

A collision between a white dwarf and a brown dwarf would be spectacular

SPACE. The ALMA telescope has seen tantalizing hints of a violent event. ESO/B. Tafreshi/TWAN (, CC BY-ND

DOST chief to resign if PAGASA, Phivolcs moved to disaster resilience department

Aug 09, 2018 - 6:51 PM

Science Secretary Fortunato de la Peña says he would just return to private life if the two agencies are attached to the proposed Department of Disaster Resilience

DOST CHIEF. DOST Secretary Fortunato de la Peña responds to questions in a press briefing in Legazpi City on August 8, 2018. Photo by Rhaydz Barcia/Rappler

Philippines to witness total lunar eclipse on July 28

Jul 05, 2018 - 5:40 PM

This is reportedly the longest total lunar eclipse of the century. The eclipse will start at 1:13 am Philippine Standard Time.

June 21 will have longest daytime, shortest night of 2018

Jun 21, 2018 - 2:45 PM

This is due to the summer solstice, or when the sun is 'directly over the Tropic of Cancer'

PAGASA declares start of summer

Apr 10, 2018 - 3:50 PM

The weather in the Philippines will generally be 'warmer and drier,' but isolated rains are still expected

The Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) said on Tuesday, March 20, 2018, that it could not declare the onset of the dry seaso yet because the northeast monsoon or 'hanging amihan' has not been terminated. PAGASA said dry season may officially be declared by April. Photo by DARREN LANGIT/Rappler

Monster planet found orbiting dwarf star – 'surprised' astronomers

Oct 31, 2017 - 10:45 PM

The existence of the gassy giant challenges long-standing theories that says such a big planet – about the size of Jupiter – cannot be formed around a star so small

PLANET. This image released on October 31, 2017 by the University of Warwick shows an artist's impression of sunrise on planet NGTS-1b. NGTS-1b, a "monster" planet, which should in theory not exist, has been discovered orbiting a feint, dwarf star far, far away, surprised astronomers said on Ocober 31, 2017. Photo by  Mark Garlick/AFP

FAST FACTS: Tropical cyclones, rainfall advisories

Sep 22, 2017 - 5:24 PM

Here's what you need to know about tropical cyclones and other terms used in everyday weather forecasts

Moon to spoil Perseids meteor shower – astronomers

Aug 10, 2017 - 8:34 PM

The Moon will be more than half full in a so called gibbous phase which means its light will spoil stargazers view in a similar way to that of urban light pollution

PERSEIDS. A Perseid meteor streaks across the sky above the hoodoos named Thor's Hammer (L) and the Three Sisters (R) early on August 13, 2016 in Bryce Canyon National Park, Utah. File photo by Ethan Miller/Getty Images/AFP

Dante now a tropical storm, but still far from land

Apr 27, 2017 - 9:00 AM

The storm is expected to veer away from the Philippines and will not affect weekend weather

Tropical Depression Dante enters PH area

Apr 26, 2017 - 3:44 PM

However the storm is not expected to make landfall as it is forecast to eventually move northeast and out of the Philippine Area of Responsibility

Tropical depression Dante set to enter PH area

Apr 25, 2017 - 5:54 PM

The weather disturbance is last located 1 285 km east of southern Luzon and is expected to enter the Philippine Area of Responsibility within Tuesday April 25

Isolated rain in Metro Manila, rest of PH on Sunday

Apr 23, 2017 - 12:58 AM

Partly cloudy to cloudy skies with isolated rainshowers or thunderstorms will be experienced over Metro Manila and the rest of the country PAGASA says

Negative temperature in Atok, Benguet not true, PAGASA says

Feb 17, 2017 - 8:40 PM

State weather bureau PAGASA says that if the negative temperature was indeed true then Atok and nearby municipalities should have experienced snow

NEGATIVE TEMPERATURE? State weather bureau PAGASA says there is no possibility that Atok experienced negative temperature from February 15 to 16. File photo by Fritzie Rodriguez/

PAGASA defends its scientists amid Project NOAH turnover

Feb 14, 2017 - 8:48 PM

State weather bureau PAGASA says it has received criticism on the agency s credibility resulting to resentment and demoralization among the employees

CREDIBILITY. State weather bureau PAGASA holds a press conference on Tuesday, February 14, 2017, after receiving comments questioning their credibility as a warning agency. Photo by Gwen de la Cruz/

News Briefs: February 3, 2017

Feb 03, 2017 - 12:16 PM

Stories from across the Philippines on Friday February 3

Cagayan de Oro flooding: Did Pagasa give enough warnings?

Jan 19, 2017 - 9:21 PM

The state weather bureau issued several rainfall advisories starting Sunday but the warning of serious flooding was made only at 6:30 pm Monday

9 Mindanao provinces under Signal 1 due to Auring

Jan 07, 2017 - 6:44 PM

PAGASA says Auring is expected to make landfall over the Surigao provinces between Sunday evening and early Monday morning

Image courtesy of PAGASA

DepEd reiterates guidelines for class suspensions during typhoons

Jul 08, 2016 - 8:24 PM

In the absence of storm signals local government units have discretionary powers

PAGASA unveils improved smartphone app

Jun 16, 2016 - 10:51 AM

The app provides users key information on weather flooding and hazard which can help them during times of disasters and typhoons

WEATHER.  In this file photo, a vehicle drives down a flooded street as heavy rain pours in Makati city, south of Manila, Philippines, 15 December 2015. Photo by Mark Cristino/EPA

'Light pollution' dims Milky Way for 1/3 of stargazers – study

Jun 12, 2016 - 12:19 AM

The night time glow of artificial lights used to be a nuisance mainly affecting astronomers but in recent years the effects are being felt by casual observers of the night sky as well

UP IN THE SKY. The zodiacal light (L) and the Milky Way (R) are seen from the region of Salgotarjan, 109 kms northeast of Budapest, Hungary, 17 February 2015. Peter Komka/EPA

From Ambo to Zosimo: PAGASA releases 2016 typhoon names

May 25, 2016 - 6:10 PM

Here s a list of tropical cyclone names for 2016 Is your name on it?

PAGASA warns of possible La Niña by end of 2016

May 18, 2016 - 10:05 PM

The state weather bureau says there is a 50 chance that La Niña will develop in the last quarter of the year

Comelec’s draft ballot, Senate probe on Binay, Planet Nine | 6PM wRap

Jan 21, 2016 - 7:03 PM

Watch the 6PM edition of Rappler s newscast The wRap

Solar system could have '9th planet,' researchers say

Jan 21, 2016 - 10:13 AM

Sorry it s not Pluto: Anomalous orbits of Kuiper Belt objects eventually lead to the conclusion that a massive planet exists in the outer edges of our solar system

PLANET NINE. An artist's rendition of a distant view from Planet Nine back towards the sun. Image courtesy Caltech/R. Hurt (IPAC)

Asteroid yang jauh jadi ancaman serius bagi Bumi

Dec 24, 2015 - 9:39 AM

Besarnya sekitar 96 kilometer persegi atau lebih 22 kali lapangan sepakbola

PAGASA: Typhoon Lando to exit landmass earlier

Oct 18, 2015 - 11:46 PM

Still the state weather bureau places 5 areas under Signal Number 3 as Lando kills one and forces 23 000 to flee their homes

Image as of 11 pm on October 18, 2015, courtesy of PAGASA

Signal No. 4: Expect 'very heavy damage' to property, crops

Oct 17, 2015 - 10:49 PM

The last time PAGASA hoisted Signal No 4 was when Super Typhoon Yolanda Haiyan ravaged the Visayas in November 2013

'SIGNAL NO. 4.' Typhoon Lando (Koppu) prompts the Philippines' state weather bureau to raise Signal No. 4 in Aurora. A handout photo made available on the website of the National Oceanic and Atmospheric Administration (NOAA) on October 17, 2015, shows a satellite image of the water vapor floater of Lando as it advances the coastline (L) of the Philippines. Photo courtesy of NOAA/EPA

Stay indoors during Lando, Metro Manila residents told

Oct 17, 2015 - 8:21 PM

For Metro Manila residents Typhoon Lando Koppu remains dangerous even if it is not expected to bring as much rain as Tropical Storm Ondoy did in 2009

PREPARING FOR LANDO. Filipinos protect themselves against the downpour as they walk along a street in Manila, Philippines, on October 17, 2015. On the same day, the state weather bureau places Manila under Signal No. 2 due to Typhoon Lando (Koppu). Photo by Francis Malasig/EPA

PAGASA adds Storm Signal No. 5 to storm warning system

May 21, 2015 - 3:12 PM

The state weather bureau says the increase in extremely damaging tropical cyclones in the country makes the previous storm warning systems inadequate

Water on white dwarf raises prospects of H2O-rich planets

May 07, 2015 - 1:45 PM

The findings are based on the discovery of a large quantity of hydrogen and oxygen the two chemical ingredients of water in the atmosphere of a white dwarf star

DEEP SPACE BODIES OF WATER. Asteroid 2004 BL86, which safely flew past Earth on Jan. 26, 2015. NASA/JPL-Caltech

Netizens speak up about the free mobile disaster alerts law

Apr 18, 2015 - 10:37 PM

The NTC targets the implementation of the Implementing Rules and Regulations IRR by the third week of April What do you think should be added to the IRR?

Chedeng further weakens, now a tropical depression

Apr 05, 2015 - 6:43 AM

Only 4 areas remain under storm warning signals as Chedeng Maysak remains almost stationary off the coast of Aurora province

Chedeng weakens further as it approaches Aurora

Apr 05, 2015 - 12:18 AM

PAGASA places 19 areas under storm warning signals down from 26 as Chedeng is expected to make landfall on Sunday morning April 5 over the coast of Isabela Aurora

Chedeng weakens as tropical storm; 26 areas warned

Apr 04, 2015 - 6:02 PM

UPDATED Tropical Storm Chedeng is expected to make landfall over the coast of southern Isabela between 4 and 6 am on April 5

How rare are April storms in the Philippines?

Apr 02, 2015 - 5:22 PM

For the past 67 years there have only been 32 tropical cyclones that entered the Philippine Area of Responsibility in the month of April according to data from the state weather bureau

Fault-finders, storm-chasers: Hazard mapping in the PH

Mar 15, 2015 - 10:05 PM

The Philippines is the 3rd most disaster prone country in the world making hazard maps a necessity for Filipinos

El Niño 2015: How can Filipinos better understand it?

Mar 14, 2015 - 11:00 AM

How is government preparing for El Niño?

Ill-equipped agency? Story on COA audit of PAGASA 'misleading'

Dec 03, 2014 - 9:52 AM

Inquirer report based on 2013 Commission on Audit data says officials; Story demoralizing to scientists employees of state weather bureau

Metro Manila warned vs monsoon rains August 5-8

Aug 04, 2014 - 10:35 PM

Brace for the heaviest monsoon rains August 6 7 PAGASA says

Glenda now a typhoon; 30 areas warned

Jul 15, 2014 - 12:19 AM

UPDATED PAGASA places Catanduanes Albay Sorsogon and northern Samar under Signal No 3; and Metro Manila under Signal No 1

TOWARD BICOL. Typhoon Glenda (Rammasun) is expected to make landfall in the Albay-Sorsogon area by Tuesday evening. Image courtesy of PAGASA

Preparing to withstand other extreme weather events

Mar 29, 2014 - 2:31 PM

Climate changes may also increase the danger of war because already scarce natural resources including drinking water will be under greater pressure